Nautel VS300 Operation And Maintenance Manual
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Nautel VS300 Operation And Maintenance Manual

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See also: Troubleshooting Manual , Installation Manual
VS300 Transmitter
Operations and Maintenance
Manual
Document: NHB-VS300-OPS
Issue:
8.0 2016-03-01
Status:
Standard

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Summary of Contents for Nautel VS300

  • Page 1 VS300 Transmitter Operations and Maintenance Manual Document: NHB-VS300-OPS Issue: 8.0 2016-03-01 Status: Standard...
  • Page 3 The comparisons and other information provided in this document have been prepared in good faith based on publicly available information. The reader is encouraged to consult the respective manufacturer's most recent published data for verification. © Copyright 2016 NAUTEL. All rights reserved.

  • Page 5: Table Of Contents

    VS300 Operations and Maintenance Manual Table of contents Contents Release control record Description Ac-dc power stage Exciter/control stage RF drive stage RF power stage Operating the transmitter User Interfaces Viewing Transmitter Log 2-23 Viewing AUI Tool Menu Panels 2-30 Viewing Real-Time Meters...
  • Page 6 VS300 Operations and Maintenance Manual Table of contents Routine maintenance Scheduled maintenance Performing on-air checks Replacing the exciter/control PWB battery Non-standard maintenance Upgrading software Configuring an audio loss backup preset List of terms Page vi Issue 8.0 2016-03-01...

  • Page 7: Release Control Record

    VS300 Operations and Maintenance Manual Release control record Issue Date Reason 2016-03-01 Hardware Release 8 (NARF64G and NARF64G/01). Supports software version VS SW 4.3 and higher. Issue 8.0 2016-03-01 Page vii...
  • Page 8 VS300 Operations and Maintenance Manual Page viii Issue 8.0 2016-03-01...

  • Page 9: Description

    Description Section 1: Description Refer to the functional block diagram: Block Diagram - VS300 Transmitter - see page 1-7. This section provides a high-level description of the transmitter’s key sections. The transmitter circuitry is subdivided into four basic stages: •...
  • Page 10 VS300 Operations and Maintenance Manual Description Power supply module See also electrical schematic Figure SD-1 . Power supply module U2 converts the ac input voltage to a regulated dc supply (PA volts) for the PA PWB in the RF power stage. The power supply module is rated for a nominal 2000 W and provides an output voltage between 7 and 53 V (typically 48 V).

  • Page 11: Exciter/Control Stage

    VS300 Operations and Maintenance Manual Description Exciter/control stage See also electrical schematic Figure SD-1 and Audio Path Block Diagram Figure 1.2 on page 1-8. Detailed schematics are not included in the Troubleshooting Manual. The exciter/control stage performs many critical functions for the transmitter. The primary component of this stage is the exciter/control PWB (A1).

  • Page 12: Rf Drive Stage

    VS300 Operations and Maintenance Manual Description • provides local and remote interfacing for the transmitter. Local interfacing is performed via the front panel display (U5) - a 4 x 20 character LCD display - and its adjacent keypad. The UI contains a menu-based series of pages that serve specific functions. Similar interfacing, as well as more advanced functionality, is available on a remotely accessed AUI.
  • Page 13 VS300 Operations and Maintenance Manual Description Output power probe See Figure SD-2 . The output power probe (A7) accepts the filtered output of the low pass filter and monitors the RF output using several probe circuits. Due to each probe's proximity and orientation to the RF output signal, RF voltages are induced in these probe circuits.
  • Page 14 VS300 Operations and Maintenance Manual Description Page 1-6 Issue 8.0 2016-03-01...
  • Page 15 VS300 Operations and Maintenance Manual Figure 1.1: Block Diagram - VS300 Transmitter AUDIO USER INTERFACE PROCESSOR (OPTIONAL) REMOTE REMOTE I/O INTERFACE RDS/RBDS DATA / CONTROL/EXCITER PWB SERIAL CONSOLE OUTPUT FWD PWR 1PPS OUTPUT REFLD PWR PILOT OUT ANALOG L & R /...
  • Page 16 VS300 Operations and Maintenance Manual Figure 1.2: Block Diagram - VS300 Audio Path Issue 8.0 2016-03-01 Page 1-8...

  • Page 17: Operating The Transmitter

    VS300 Operations and Maintenance Manual Operating the transmitter Section 2: Operating the transmitter This section provides information about operating the VS300 transmitter: • User Interfaces on page 2-9 – Front Panel UI - see page 2-9 – Front Panel UI - Main menu - see page 2-10 –...
  • Page 18 Setting the Clock - Using the AUI - see page 2-145 – NTP servers - see page 2-148 – Nautel Phone Home - see page 2-150 – Setting call sign/ID - see page 2-151 – Setting Audio Low Thresholds - see page 2-152 Page 2-2 Issue 8.0 2016-03-01...
  • Page 19 VS300 Operations and Maintenance Manual Operating the transmitter • User Settings - Front Panel UI - see page 2-154 – Setting the Clock - Using the Front Panel - see page 2-146 – Network Setup - Using the Front Panel - see page 2-128 –...
  • Page 20 VS300 Operations and Maintenance Manual Operating the transmitter Page 2-4 Issue 8.0 2016-03-01...
  • Page 21 FRONT PANEL UI Main Menu Top Level First Time (page 2-10) Setup Screens Status Screen displayed during initial turn-on only RF On/Off (page 2-11) Select Preset (page 2-75) User Settings Edit Presets (see Figure 2-2) page 2-154 Set Clock (page 2-146) Network Settings (page...
  • Page 22 FRONT PANEL UI Select Preset to Output Power Edit Presets Edit or Create page 2-76 Enable (page 2-64) New Preset RDS Settings Data Source (page 2-64) (page 2-75) (page 2-86) Frequency Baud Rate (page 2-64) page 2-78 RDS Level (page 2-64) RDS Phase (page...
  • Page 23 Time Setup page 2-145 Reboot page 2-101 page 2-23 NTP Servers page 2-148 Upgrade Software page 2-102 Nautel Phone Home page 2-150 Audio Input Calibration page 2-103 Call Sign/ID page 2-151 IBOC Settings page 2-104 Audio Low Thresholds page 2-152 Spectrum/Eff.

  • Page 24: User Interfaces

    • AUI Pages - see page 2-20 • AUI Menu page - see page 2-21 The user can interface with the VS300 using one of two methods: • Locally, using the front panel UI and navigational buttons (see Front Panel UI).

  • Page 25: Lcd Display

    VS300 Operations and Maintenance Manual Operating the transmitter LCD display This display shows all the UI screens. The display’s top level screen, used for viewing purposes only, is shown in Figure 2.4. Figure 2.4: Top Level Screen The top level screen displays the following information: •...
  • Page 26 VS300 Operations and Maintenance Manual Operating the transmitter Navigational buttons There are six push-buttons on the right-hand side of the LCD display that allow navigation through the UI pages, as well as modifying selected settings. – Up and down - on menu and list screens, moves cursor up and down through the associated page;...
  • Page 27 VS300 Operations and Maintenance Manual Operating the transmitter Front Panel UI Screens Table 2.1 defines the available front panel display screens. Table 2.1: Front Panel UI Screens UI Screen Function See Page First Time Setup Screens Guides the user through initial setup of the transmitter.
  • Page 28 VS300 Operations and Maintenance Manual Operating the transmitter Table 2.1: Front Panel UI Screens UI Screen Function See Page User Settings - Edit Presets - Edit the selected preset’s limiter settings. Limiter types page 2-89 Limiter Settings include hard limiter, AGC limiter and 2-slope limiter among others.
  • Page 29 VS300 Operations and Maintenance Manual Operating the transmitter Table 2.1: Front Panel UI Screens UI Screen Function See Page User Settings - Ramp-Up Set the transmitter’s ramp-up speed. page 2-162 Speed User Settings - Transfer Ctrl Control the on/off status of the transmitters, by controlling See VS-TC RF mute circuits.
  • Page 30 VS300 Operations and Maintenance Manual Operating the transmitter Table 2.1: Front Panel UI Screens UI Screen Function See Page System Settings - Exciter Calibrate the internal clock to a user supplied external page 2-109 TCXO high precision 10 MHz clock reference...
  • Page 31 2.6) is available via remote connection only. To access the AUI, you need a PC (and a web browser) that is connected to the VS300 - directly or through a switch - via its rear panel LAN connection (A1J8A). The AUI has a wide range of displays, including: –...
  • Page 32 Operating the transmitter The top banner is permanent on all AUI pages and includes: From any AUI page, click the Nautel logo to log out and return to the login window. Nautel Logo Displays day, month, year and current time. From any AUI page, click the date or time Date &...
  • Page 33 In the Language field, click the down-arrow to review a drop-down menu displaying the available language options, and select one. • In the User field, enter the username. Default is “Nautel”. • In the Password field, enter the password. Default is blank.
  • Page 34 Figure 2.7: AUI Login Menu IP address and login messages Note: The Nautel AUI is factory configured with a default login username and password. Nautel recommends that you change the password to improve overall system security (see Changing the Password on page 2-124).
  • Page 35 VS300 Operations and Maintenance Manual Operating the transmitter AUI Pages Table 2.2 defines the available AUI pages. Table 2.2: AUI Pages AUI Page Function See Page Home View meters, tool menu panels, choose options and navigate to page 2-16 other pages.
  • Page 36 VS300 Operations and Maintenance Manual Operating the transmitter AUI Menu page From the home page, click the Menu button to view the Menu page (see Figure 2.8). From this page, you can select one of the following sub-menus: Figure 2.8: Main Menu Page •...
  • Page 37 SNMP configuration, capturing critical transmitter data, using an external 10 MHz source, setting a spectrum mask, setting the sys- tem date and time, configuring NTP servers, using Nautel Phone Home technology, setting the call sign/ID and setting low audio (see Setting Audio Low Thresholds on page 2-152).

  • Page 38: Viewing Transmitter Log

    Transmitter Log - Using the front panel on page 2- 28). Transmitter Log - Using the AUI You can view the VS300’s events log using the AUI’s Log page - see Figure 2.9. This page shows a configurable log of all transmitter events. To view the page, click the Log button in the bottom banner of any AUI screen.
  • Page 39 – Time of Event indicates the time and date that the event that occurred. Managing the log You can manage the VS300 AUI’s events log by clicking on the Log Manager button (see Figure 2.10). This screen provides options to perform various event monitoring operations such as filtering, copying, deletion and statistical analysis.
  • Page 40 VS300 Operations and Maintenance Manual Operating the transmitter Filter Logs You can filter transmitter events based on their origin or date by clicking the Filter Logs button in the log manager (see Figure 2.10 on page 2-24). Click the Device Type drop-down arrow, and select the desired device type to filter events based on the type selected.
  • Page 41 VS300 Operations and Maintenance Manual Operating the transmitter Click the Delete All checkbox and click OK to delete all events. Click the Delete by date checkbox to allow deletion of events that occurred prior to ( Older than ) a user-specified date and time.
  • Page 42 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.13: Log Statistics Selects item at top of current page Selects next lower page items Scrolls up one item Scrolls down one item Selects next higher page items Selects item at...
  • Page 43 View Events screen. Use the up and down buttons to scroll through the list of alarms or events. Refer to the VS300 Troubleshooting Manual to cross-reference the alarm name to possible causes and troubleshooting tips.
  • Page 44 VS300 Operations and Maintenance Manual Operating the transmitter The View SW Versions screen displays the current View Software Versions - front Panel UI. versions of the different software being used in the transmitter (see Figure 2.16). Figure 2.16: View Software Versions Issue 8.0 2016-03-01...

  • Page 45: Viewing Aui Tool Menu Panels

    Lissajous plot - see page 2-40 • Oscilloscope - see page 2-41 • AM-AM and AM-PM correction screens - see page 2-43 The VS300 AUI provides up to eleven tool menu panels that you can choose to display on the AUI home page (see Figure 2.17).

  • Page 46: Describing Aui Tool Menu Options

    VS300 Operations and Maintenance Manual Operating the transmitter Describing AUI Tool Menu Options Click on the desired tool menu panel to display it. See Table 2.3 on page 2-32 for a description of each tool menu panel. Figure 2.18: Tool Menu Options...
  • Page 47 VS300 Operations and Maintenance Manual Operating the transmitter Table 2.3: Tool Menu Panels Tool Menu Description Reference Spectrum Displays a spectrum analyzer, capable of monitoring various page 2-35 RF sections of the transmitter, including the RF output. EQ Frequency Displays the frequency response of the modulator’s EQ filter.

  • Page 48: Aui Tool Menu Panels Procedures

    VS300 Operations and Maintenance Manual Operating the transmitter AUI Tool Menu Panels Procedures Each instrument panel has a menu bar that may be different from other panels (see Figure 2.19: Tools Menu on Home Page Backward one step Forward one step...
  • Page 49 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.20: Instrument Cursor Manipulation Cursor Tools to move cursor and display information Figure 2.21: Instrument Panel - Expansion Example Maximize/Minimize buttons Page 2-34 Issue 8.0 2016-03-01...

  • Page 50: Available Instrument Panels

    If these spurious emissions are observed on the spectrum analyzer, Nautel recommends that a calibrated, external spectrum analyzer be used to verify the presence of spurs.
  • Page 51 VS300 Operations and Maintenance Manual Operating the transmitter Click the panel to display a cursor in the approximate area. The cursor position (frequency and amplitude) is noted in the upper, right-hand corner of the panel. Click on other areas of this instrument panel to provide a coarse adjustment of the cursor position.

  • Page 52: Equalizer Screens

    RF output. Equalizer screens The VS300’s exciter includes a fixed equalizer to optimize audio performance. There are three menus available in the tool panel - EQ Frequency , EQ Impulse Response and EQ Filter Delay . Coefficients are selected based on your channel frequency.
  • Page 53 VS300 Operations and Maintenance Manual Operating the transmitter Use the left and right buttons to make fine adjustments to the cursor position. Use the up or down button to maximize (if it was minimized) or minimize (if it was maximized) the panel size.
  • Page 54 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.26: EQ Filter Delay EQ filter delay Figure 2.26. This panel displays the delay of the modulator’s EQ filter across its bandwidth. Click on the panel to display a cursor in the approximate area. The cursor position (frequency and delay) is noted in the upper, right-hand corner of the panel.

  • Page 55: Lissajous Plot

    VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.27: Lissajous Plots L and R mode I and Q mode Lissajous plot Figure 2.27. This panel displays a Lissajous plot that represents either left and right audio content or a representation of the FM modulated signal (I and Q). I and Q will be automatically selected when using MPX as the main audio source.

  • Page 56: Oscilloscope

    VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.28: Oscilloscope (Left/Right Audio input shown) Stop Play Oscilloscope Figure 2.28. This panel displays an oscilloscope to allow monitoring of audio input parameters. The oscilloscope displays a real-time waveform for the selected audio input (e.g., L/R audio input).
  • Page 57 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.29: Measurement Source Settings Use the ‘stop’ button to display a snapshot of the waveform for analysis, printing, etc. Use the ‘play’ button to resume the live, real-time display of the waveform.

  • Page 58: Am-Am And Am-Pm Correction Screens

    VS300 Operations and Maintenance Manual Operating the transmitter AM-AM and AM-PM correction screens Available only when the transmitter is used with a VSHD exciter. When the transmitter is operating with digital carriers, the exciter linearizes the transmitter’s RF drive signal by performing adaptive pre- correction.
  • Page 59 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.31: AM-PM Correction AM-PM correction This panel displays the phase correction being applied to the RF drive signal. The x-axis represents the signal amplitude and the y-axis represents the phase shift correction applied for a given amplitude value.
  • Page 60 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.32: Power Distribution Plot Power distribution Figure 2.32. Available only when the transmitter is used with a VSHD exciter. The exciter measures the relative power levels of the signal and determines the probability of exceeding a given power level, relative to the average power.
  • Page 61 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.33: Signal Constellation Signal constellation Figure 2.33. The exciter constantly measures the transmitter signal and performs basic demodulation of the digital carriers. The Signal Constellation panel displays the phase and amplitude of the symbols being modulated within an OFDM sub-carrier as dots on a cartesian graph.

  • Page 62: Viewing Real-Time Meters

    VS300 Operations and Maintenance Manual Operating the transmitter Viewing Real-Time Meters The AUI can be used to display metered parameters on the page (see Figure 2.35), if selected Home individually from the page or saved in a meter list layout and set to default.
  • Page 63 VS300 Operations and Maintenance Manual Operating the transmitter Describing the meter display The meters displayed in the AUI represent the active meters selected for display. Each meter is a colour-coded bar with minimum and maximum values (see Figure 2.35). The current value for a meter is indicated by an arrow on the colour-coded bar, as well as a numeric value below the meter.
  • Page 64 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.35: VSHD Meter List View Window (Controller Shown) to close/delete Scroll Bar Information Buttons (displays full set of meters for specific sub-device) Identifying meter information on a specific sub-device Open the Meters List View window and select one of the desired transmitter sub-devices.
  • Page 65 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.36: Detailed Sub-System Information (Controller shown) Figure 2.36 displays the status of the selected sub-system, as well as real-time meter values. The Alarms section shows any active alarms pertaining to the sub-system.
  • Page 66 VS300 Operations and Maintenance Manual Operating the transmitter Saving a meter list Note: Meter lists are associated with user accounts. Lists saved in this screen are only displayed in the current user account. Setting a list as default will define the meters that will appear when logging into the current account (or after an ac power interruption in the local AUI if this is the default user account).
  • Page 67 When you select View Status -> View Meters from the Main Menu (see Figure 2.38) you can view various metered parameters of the VS300. These parameters are displayed as a list on the View Meters -> Controller or Exciter screen. Note: This screen is for viewing purposes only and does not offer the same level of analytical features as the AUI’s Meter List View page (see...
  • Page 68 VS300 Operations and Maintenance Manual Operating the transmitter Controller Meters: RMS Forward -15V Fan 1 Reflected +5V A VSWR PA Volts A +3.3V DC Power In PA1 Curr +1.8V DC-RF Eff Heatsink Temp +1.2V Avg PA Diss +48V Battery PA1 Bias...

  • Page 69: Managing Presets

    VS300 Operations and Maintenance Manual Operating the transmitter Managing Presets This section includes the following subjects: • Managing Presets - Using the AUI • Loading presets using the AUI - see page 2-55 • Activating presets using the AUI - see page 2-55 •...
  • Page 70 VS300 Operations and Maintenance Manual Operating the transmitter Loading presets using the AUI When first entering the Presets page, the current “active” preset is displayed (see Figure 2.39 on page 2-54). If the current preset is not the desired one, use the Load button on the left-side of the AUI to call up a window containing a list of available presets.
  • Page 71 VS300 Operations and Maintenance Manual Operating the transmitter Editing or creating presets using the AUI When a presets page is opened from the main menu, the Current Settings of the transmitter are displayed. They define the current operational state of the transmitter. Current Settings can be edited and then immediately activated by pressing the Save button.
  • Page 72 VS300 Operations and Maintenance Manual Operating the transmitter • Mode: Set the overall transmission mode. Available options are: – FM: an analogue only mode, transmits a carrier, frequency modulated with audio. – HD: all digital mode; this mode transmits the upper and lower digital sidebands of OFDM IBOC carriers.
  • Page 73 – HD Power Boost Priority: for FM+HD mode only, select either MER (modulation error ratio; default setting) or Efficiency. Selecting Efficiency enables Nautel’s digital PowerBoost process, an advanced peak- to-average power ratio reduction that prioritizes efficiency and power capability when reducing the peak-to-average power ratio, while ensuring that the MER of the transmitted HD signal meets transmission requirements.
  • Page 74 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.41: Presets - General Tab (FM and FM+HD Mode shown) Issue 8.0 2016-03-01 Page 2-59...
  • Page 75 VS300 Operations and Maintenance Manual Operating the transmitter Main Audio tab: (see Figure 2.42) • Audio Source: Connects the appropriate exciter input for use. Available options are: – Analog Left/Right: this source allows for further configuration via Analog Level, Audio Mode (Mono L+R, Mono L, Mono R, Stereo), 15kHz Lowpass, Preemphasis, Main Audio Gain Adjust settings.
  • Page 76 VS300 Operations and Maintenance Manual Operating the transmitter Main audio - additional configuration settings: – Audio Player Source: applies to Audio Player -> AES 2 source only; select the desired audio playlist. – Analog Level: applies to Analog Left/Right source only; enter value between -12 and +12 dBu, which represents the input voltage level that yields 100% modulation (Default is 0.0 dBu).
  • Page 77 VS300 Operations and Maintenance Manual Operating the transmitter SCA tab: (see Figure 2.43) • MPX SCA: Connector (J7:A for SCA1, J7:B for SCA2) for use with an externally generated SCA; select Enabled or Disabled. When enabled, all the selections listed below are active.
  • Page 78 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.43: Presets - SCA Tab (scroll to see all options) Note: Check your local broadcast regulatory body’s guidelines for allowable modulation depth with SCAs or RDS enabled. Issue 8.0 2016-03-01 Page 2-63...
  • Page 79 Presets page offer a means to configure internally generated data. Refer to “RDS Remote Protocol” on page 2-68 for information on using the ASCII protocol to remotely configure RDS settings and to observe the strings supported by Nautel. Note: The UECP protocol is fully supported. Note: The differences between RDS (European) and RBDS (North American) are not outlined in this manual.
  • Page 80 VS300 Operations and Maintenance Manual Operating the transmitter The Presets -> RDS page selections below Baud Rate apply only to the Internal data source. – PI Code (hex) (Program Identification code): enter four hex digits that represent the station call sign (e.g., PI=1AE5); this unique code is used to identify a broadcast station.
  • Page 81 VS300 Operations and Maintenance Manual Operating the transmitter – PTYN (programme type name): this field can be used for detailed description of the PTY by 8 digits. Example: if the PTY is 4 (Sport) a PTYN like "Football" could be transmitted.
  • Page 82 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.44: Presets - RDS Tab (scroll to see all options) Issue 8.0 2016-03-01 Page 2-67...
  • Page 83 VS300 Operations and Maintenance Manual Operating the transmitter The following information is intended to assist users with remote RDS RDS Remote Protocol. settings using the ASCII protocol. Assigning Settings: To assign a value to a setting, send the setting name, the equal sign (=) and the desired value.
  • Page 84 Use TCP port 7005. This is not user configurable. To use RDS over IP, the connection must be opened before each command. List of Settings: Table 2.4 lists the RDS settings supported by Nautel, including descriptions and examples. Note: Remote setting of the RDS baud rate is not supported.
  • Page 85 VS300 Operations and Maintenance Manual Operating the transmitter Table 2.4: Supported ASCII Settings for RDS Setting Name Description/Example AF1= Alternative If the station broadcasts on more than one frequency using translators or Frequency repeaters, these are typically set to each of the frequencies used in the broadcast network.
  • Page 86 1 is character-scrolling; the DPS string will scroll character by character. Example: DPSM=0 Software Version Typing this command (no = or ?) returns the current RDS encoder (special software version. command) Example: // issue version command Nautel NVE RDS Encoder V1.0 // exciter response Issue 8.0 2016-03-01 Page 2-71...
  • Page 87 VS300 Operations and Maintenance Manual Operating the transmitter Other Settings tab: • Pilot Level : enter value between 6 and 12% (typically 9%); this level is added to the composite baseband • Pilot 1 PPS Sync : select Enaled or Disabled. If Enabled, enter: –...
  • Page 88 VS300 Operations and Maintenance Manual Operating the transmitter • AGC Limiter: If Enabled, when the modulation level exceeds the AGC Limit, the gain of the audio input will instantly decrease in order to reduce the modulation level below the AGC limit threshold.
  • Page 89 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.45: Presets - Other Settings Tab (scroll to see all options) Click the Save button to save preset information. Saving presets. From the Presets page, click the Delete button. Highlight the preset you wish Deleting presets.
  • Page 90 VS300 Operations and Maintenance Manual Operating the transmitter Managing Presets - Using the front panel Many preset settings available on the front panel UI are also available on the remote AUI. In this case, if you change a preset setting on the front panel UI, it will also be reflected on the remote AUI, and vice versa.
  • Page 91 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.48: Create New Preset screen Figure 2.49: Preset Editing menu Displayed only when VSHD exciter is used Within the preset editing menu, use the up and down buttons to scroll through the options and press the accept (checkmark) button to enter the selected editing menu/screen.
  • Page 92 HD, -14 dB 92 (all frequencies) HD, -10 dB 83 (all frequencies) ** Maximum power set point limits can vary from the indicated value for various reasons. Nautel does not guarantee performance at the indicated values. Issue 8.0 2016-03-01 Page 2-77...
  • Page 93 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.51. Use the up and down buttons to edit the output power (in 0.01 MHz Frequency. increments, then press the accept (checkmark) button to save the change. Press the cancel ( X ) button to return to the previous menu.
  • Page 94 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.54: IBOC Settings editing screens • IBOC Injection: Use the up and down buttons to select an IBOC injection level between -20 and -10 dBc (in 0.1 dB increments), then press the accept (checkmark) button to save the change.
  • Page 95 VS300 Operations and Maintenance Manual Operating the transmitter When you select Main Audio from the Preset editing options screen, you can edit Main Audio. various main audio parameters (see Figure 2.55). Figure 2.55: Main Audio menu Use the up and down buttons to scroll through the main audio menu options, then press the accept (checkmark) or right arrow button to enter the selected editing screen.
  • Page 96 VS300 Operations and Maintenance Manual Operating the transmitter • Source: Use the up and down buttons to locate the desired audio source - AES , MPX , Analog L/R or Audio Player , then press the accept (checkmark) button to save the change.
  • Page 97 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.57: Input Levels editing screens • Bal L/R Level: Select a level between -12 and 12 dBu. • MPX Level: Select a level between 1 and 5 V peak-to-peak. • Digital Level: Select a level between -25.5 and 0 dBFS.
  • Page 98 VS300 Operations and Maintenance Manual Operating the transmitter When you select Pilot Settings from the Preset editing options screen, you can edit Pilot Settings. the settings of the pilot signal (see Figure 2.59). Figure 2.59: Pilot Settings menu Use the up and down buttons to move the cursor to the desired pilot setting and then press the right button to enable editing of the parameter.
  • Page 99 VS300 Operations and Maintenance Manual Operating the transmitter When you select SCA Settings from the Preset editing options screen, you can edit SCA Settings. various SCA parameters (see Figure 2.61). Figure 2.61: SCA Settings menu Use the up and down buttons to move the cursor to the desired SCA setting and then press the right button to enable editing of the parameter.
  • Page 100 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.63: Internal SCA1 and SCA2 editing screens • SCA Enable : Select ON or OFF. • SCA Level: Select a level between 0 and 20%. • SCA Freq: Select a frequency between 20 and 100 kHz.
  • Page 101 VS300 Operations and Maintenance Manual Operating the transmitter When you select RDS Settings from the Preset editing options screen, you can edit RDS Settings. various RDS parameters (see Figure 2.64). If you change a preset setting on the front panel UI, it will also be reflected on the remote AUI, and vice versa.
  • Page 102 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.65: RDS Settings editing screens Issue 8.0 2016-03-01 Page 2-87...
  • Page 103 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.66: DI Code editing screens Figure 2.67: AF Data editing screen Page 2-88 Issue 8.0 2016-03-01...
  • Page 104 VS300 Operations and Maintenance Manual Operating the transmitter When you select Limiter Settings from the Preset editing options screen, you Limiter Settings. can edit various limiter parameters (see Figure 2.68). Figure 2.68: Limiter Settings menu Use the up and down buttons to move the cursor to the desired limiter and then press the right button to enter the associated sub-menu for: •...
  • Page 105 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.69: Hard Limiter sub-menu and editing screens • Enable: Select ON or OFF. • Limit: Select a value between 0 and 160%. Figure 2.70: AGC Limiter sub-menu and editing screens •...
  • Page 106 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.71: 2-Slope Limiter sub-menu and editing screens • Enable: Select ON or OFF. • Limit: Select a value between 0 and 160%. • Gain: Select a value between 0 and 100%.
  • Page 107 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.72: L/R Limiter sub-menu and editing screens Use the up and down arrows to select ON or OFF, then press the accept (checkmark) button to save the change. Press the cancel (X) button to discard changes and return to the previous menu.
  • Page 108 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.73: MPX RMS Limiter sub-menu and editing screens Use the up and down arrows to select ON or OFF, then press the accept (checkmark) button to save the change. Press the cancel (X) button to discard changes and return to the previous menu.
  • Page 109 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.75: Mod Loss editing screens • Enable: Determines whether the audio loss feature is used. Select ON or OFF. • Threshold: Sets the audio threshold below which the transmitter will take action. Select a value between 0 and 100%.
  • Page 110 VS300 Operations and Maintenance Manual Operating the transmitter When you select Audio Delay from the Preset editing options screen, you can edit or Audio Delay. disable the audio delay period (see Figure 2.76). Figure 2.76: Audio Delay menu Use the up and down buttons to change the audio delay setting between disabled and any time period between 0 and 13 seconds, then press the accept (checkmark) button to save the change.
  • Page 111 VS300 Operations and Maintenance Manual Operating the transmitter Configuring an HD Powerboost Preset In order to operate with HD PowerBoost, you must either load an existing HD PowerBoost preset or create a character-specific preset name to allow the software to recognize the HD PowerBoost preset.

  • Page 112: Enabling Remote Control

    VS300 Operations and Maintenance Manual Operating the transmitter Enabling Remote Control Users can enable remote control via the front panel display (see Using the front panel below). AUI users are by default using the transmitter in remote mode. Using the front panel...

  • Page 113: Viewing Transmitter Status

    (RF output not affected); a single red ! indicates medium severity (RF output is reduced); three red ! indicates high severity (RF output is inhibited)]. Refer to the VS300 Troubleshooting Manual for detailed information on alarm details such as root cause and troubleshooting tips.

  • Page 114: System Settings

    VS300 Operations and Maintenance Manual Operating the transmitter System Settings This section includes the following topics: • Rebooting the AUI or Exciter - see page 2-101 • Upgrading Software - see page 2-102 • Calibrating Audio Inputs - see page 2-103 –...
  • Page 115 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.82: Main Menu - System Settings The following options are available: • Reboot: Allows for rebooting of the AUI or the exciter (active or standby, as applicable) (see Rebooting the AUI or Exciter on page 2-101).
  • Page 116 VS300 Operations and Maintenance Manual Operating the transmitter Rebooting the AUI or Exciter You can reset (reboot) the AUI or the exciter using the remote AUI Reset page. To view the AUI’s Reboot page (see Figure 2.83), select Reboot from the System Settings option.
  • Page 117 VS300 Operations and Maintenance Manual Operating the transmitter Upgrading Software The AUI’s Upgrade Software page (see Figure 2.84 on page 2-102), in the System Settings list, allows for uploading a suite of software upgrade files (.tgz files) via remote connection. Navigate the page as described below.
  • Page 118 VS300 Operations and Maintenance Manual Operating the transmitter Calibrating Audio Inputs You can calibrate analog and MPX (composite) audio inputs using the remote AUI (see Calibrating Audio - Using the AUI) or the local front panel UI (see “Calibrating Audio Inputs” on page 2-122).
  • Page 119 VS300 Operations and Maintenance Manual Operating the transmitter IBOC settings - VSHD only This system setting (see Figure 2.86) allows users to establish Forward Tap Delay, FM+HD Low Inj Gain, FM+HD High Inj Gain and HD only system Gain levels. It also allows for an IBOC power calibration.
  • Page 120 VS300 Operations and Maintenance Manual Operating the transmitter Spectrum/Efficiency Optimizer The Spectrum/Eff. Optimizer page (or the HD Optimizer screen) allows users to optimize the transmitter’s spectrum and/or efficiency. You can perform this optimization using the remote AUI (see Spectrum/Efficiency Optimizing - Using the...
  • Page 121 VS300 Operations and Maintenance Manual Operating the transmitter • Required Mask Delta - Sets the value (between -10 db and 10 dB) that is considered to be absolutely required. If this level is exceeded, the digital power from the transmitter will be reduced if the PA voltage is at maximum.
  • Page 122 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.89: HD Optimizer Screens Select ON to allows the optimizer to adjust the PA voltage setting to maximize efficiency based on the transmitter output spectrum. Depending on other settings in this section, it may require other actions to maintain the transmitter’s...
  • Page 123 VS300 Operations and Maintenance Manual Operating the transmitter Calibrating Exciter TCXO You can calibrate the internal clock reference to an external 10 MHz clock or manually enter an offset value using the remote AUI (see Calibrating Exciter TCXO - Using the...
  • Page 124 VS300 Operations and Maintenance Manual Operating the transmitter Calibrating Exciter TCXO - Using the front panel UI To view the front panel’s TCXO calibration screens (see Figure 2.91), select System Settings -> Exc TCXO from the Main Menu . Figure 2.91: Front Panel - TCXO Calibration Use the up or down arrow to place the cursor next to TCXO Offset , then press the accept (checkmark) button to enter the TCXO Offset screen.
  • Page 125 VS300 Operations and Maintenance Manual Operating the transmitter FM Polarity The FM Polarity page (see Figure 2.92) allows users to invert the polarity of the frequency modulation. You can set FM polarity using the remote AUI (see Setting FM Polarity - Using the...
  • Page 126 VS300 Operations and Maintenance Manual Operating the transmitter Setting FM Polarity - Using the front panel UI To view the FM Polarity screen, select System Settings -> FM Polarity from the Main Menu (see Figure 2.93). Figure 2.93: System Settings - FM Polarity Screen Use the up and down buttons to toggle between + Comp = –...

  • Page 127: System Settings - Front Panel Ui

    Making changes to these settings may void your warranty. Contact Nautel before making changes. You can establish calibration values and fault thresholds for critical parameters of the VS300 using the remote AUI or the local front panel UI. The following options are available: •...
  • Page 128 From the front panel UI, you can perform a recovery reset of the operating system (OS). You will also need to install a flash drive, provided by Nautel, in one of the two USB ports on the rear of the transmitter.
  • Page 129 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.95: System Settings - OS Recovery Screen Use the up and down buttons to toggle between Force OS Recovery and Cancel . Press the accept (checkmark) button to save the change. Select Cancel or press X to abort the recovery and return to the previous menu.
  • Page 130 VS300 Operations and Maintenance Manual Operating the transmitter Firmware Update A firmware update is available using the front panel UI. It can also be performed from the remote AUI, using the Upgrade Software page in the System Settings menu (see “Upgrading Software”...
  • Page 131 VS300 Operations and Maintenance Manual Operating the transmitter This menu has four sub-menu options: • LCD Contrast - sets the display contrast. • LCD Backlight - sets the brightness of the display’s backlight during normal use. • LED Timeout - sets a time delay, after a period of non-use, that the brightness of the display’s backlight will dim.
  • Page 132 VS300 Operations and Maintenance Manual Operating the transmitter Configuring Installed Hardware From the front panel UI, you can configure the transmitter for any installed hardware that has optional variations (e..g, quantity of exciters or LVPS modules, fan speed) or is non-standard (e.g., UPS or audio processor).
  • Page 133 VS300 Operations and Maintenance Manual Operating the transmitter Installed Exciter From the front panel UI, you can configure the transmitter for the type/location of the installed exciter. To view the Installed Exc screen, select System Settings -> HW Config -> Installed Exc from...
  • Page 134 VS300 Operations and Maintenance Manual Operating the transmitter Adjusting Factory Settings Note: Factory settings are only available using the front panel UI. CAUTION! Changing values in the System Settings -> Factory Settings menu is not normally required, and should only be performed by trained personnel.
  • Page 135 WARNING! Threshold settings are established at the factory and should not require any adjustment. These settings affect critical system protection circuits. Making changes to these settings may void your warranty. Contact Nautel before making changes. From the front panel UI, you can set alarm thresholds for critical parameters. To view the...
  • Page 136 VS300 Operations and Maintenance Manual Operating the transmitter Calibration Note: Most of the calibration settings are only available using the front panel UI. Calibration of audio related parameters (see Figure 2.104) can also be performed using the remote AUI (see “Calibrating Audio Inputs”...
  • Page 137 Note: Forward power (Run Fwd Cal) and reflected power (Run Refld Cal) calibrations are performed at the factory and should not require user adjustment. Contact Nautel for assistance, if necessary. Exciter Tilt From the front panel UI, you can set the exciter tilt settings. To view the Exciter Tilt screen, select System Settings ->...

  • Page 138: Setting User Accounts

    The VS300 contains a default user account when it leaves the factory. This account appears as Nautel (Auto) in the List of Users and has Super User permission level. The default Username is “Nautel”.
  • Page 139 VS300 Operations and Maintenance Manual Operating the transmitter Setting User Type There are four user type selection options, each with their own specific functionality. All users have permission to change their own username and password, but are otherwise limited to the following functions: •...
  • Page 140 When you enter the User Accounts page for the first time, it is recommended you create an account and then delete the default Nautel account, as follows: 1. Login to the AUI using the default Username (“Nautel”) and Password (blank). 2. Set up your own Administrator account, with your desired Username and Password.

  • Page 141: User Settings - Aui

    VS300 Operations and Maintenance Manual Operating the transmitter User Settings - AUI Note: Unless otherwise noted, the following functions are only available via remote connection to the AUI. You can configure network settings, configure email and notification settings, configure SNMP...
  • Page 142 UI (see Enabling NTP on page 2-148). • Nautel Phone Home : Provides a unique diagonostic tool that leverages stored transmitter information to assist in the analysis of the cause of specific alarms (see Nautel Phone Home on page 2-150).
  • Page 143 UI) to ensure you can log in after changes have been made. Determining DHCP Setting One of the main decisions in configuring the network connection on your VS300 transmitter is whether you set DHCP to ON or OFF . If you are connecting to a network, consult with a network administrator before connecting the transmitter to your network to determine whether to enable (turn ON ) or disable (turn OFF ) the DHCP setting.
  • Page 144 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.108: Network Settings Screens All addresses shown are for reference purposes only Displays a number that serves as unique network adapter iden- tifier. This is set by the manufacturer and is displayed for infor- mational purposes only (cannot be user set).
  • Page 145 Operating the transmitter Connecting a Laptop Directly to the Transmitter If connecting to the VS300 directly with a laptop, you must set a static IP address on the VS300 and your laptop. 1. From the front panel UI’s Main Menu , go to User Settings -> Network Settings and set the IP address as follows: •...
  • Page 146 Nautel recommends that the following settings be entered/vetted by a qualified Network Administrator. By entering the VS300’s established IP address into an Internet browser’s address bar, and then logging into the AUI, you can view and edit the network parameters (see Figure 2.109).
  • Page 147 To configure the email feature, perform the following steps: 1. Enter the four fields, noting the following: • Email Server : In order to enter a server name (e.g., mail.nautel.com), at least one nameserver IP address must be entered (see Network Setup on page 2-128).
  • Page 148 VS300 Operations and Maintenance Manual Operating the transmitter • Sender Email Address : Enter as a standard email address (e.g., a@b.com). This will be the sender address that notification email recipients will see. Free web based email service accounts (Gmail, Hotmail, Yahoo mail etc.) are acceptable here.
  • Page 149 VS300 Operations and Maintenance Manual Operating the transmitter Notifications The notifications feature (see Figure 2.111) provides a means for the transmitter to issue emails or texts (SMS messages) triggered by user defined alarm events. If you use this feature, you must also...
  • Page 150 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.112: Notifications Adding/Updating Issue 8.0 2016-03-01 Page 2-135...
  • Page 151 It is used to filter E2X traffic in case multiple exporters are used in broadcast mode on a single LAN. 0.0.0.0 is also a valid configuration. • E2X Port - The exgine expects E2X on port 9000. Some non-Nautel Exporters utilize port 11000 instead. •...
  • Page 152 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.113: Exgine Settings - with VSHD installed only 4. When finished, press Apply to accept your entries or press Cancel to ignore your changes and exit this window. Issue 8.0 2016-03-01...
  • Page 153 VS300 Operations and Maintenance Manual Operating the transmitter SNMP configuration The SNMP configuration page provides a user with a means to configure the SNMP agent and the associated traps (see Figure 2.114). Figure 2.114: User Settings - SNMP Configuration Configure the SNMP agent as follows: 1.
  • Page 154 VS300 Operations and Maintenance Manual Operating the transmitter  2. Select the Enable Traps check box ( ) to allow the SNMP agent to send trap notifications, and to display two additional fields associated with traps. Enter the two additional fields as follows: •...
  • Page 155 VS300 Operations and Maintenance Manual Operating the transmitter Critical parameters You can capture critical parameter data for the transmitter’s current state using the AUI’s Critical Parameters page (see Figure 2.115). To view this page, select Critical Parameters from the User Settings page.
  • Page 156 VS300 Operations and Maintenance Manual Operating the transmitter External 10MHz This setting (see Figure 2.116) allows users to employ the clock signal from a connected external 10 MHz source in FM mode; the setting is unused in HD or FM+HD. When No is selected, the external 10MHz source will be ignored and the exciter's internal clock signal will be used.
  • Page 157 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.117: Front Panel - External 10 MHz Input screen Use the up or down arrow to toggle between ON (using external 10 MHz input) and OFF (not using external 10 MHz input), then press the accept (checkmark) button to save the change. Press cancel ( X ) to discard changes and return to the previous menu.
  • Page 158 VS300 Operations and Maintenance Manual Operating the transmitter Spectrum Mask Using the Spectrum Mask setting users can select the appropriate FM mask standard ( FCC, ETSI or None ) being used by the analyzer. The selection affects the mask lines on the remote AUI’s Spectrum Analyzer instrument.
  • Page 159 VS300 Operations and Maintenance Manual Operating the transmitter Selecting the FM Mask - Using the Front Panel When you select User Settings -> FM Mask from the Main Menu (see Figure 2.119) you can select the appropriate FM mask standard (FCC, ETSI or None) being used by the analyzer on the remote AUI.
  • Page 160 Operating the transmitter Setting the Clock The VS300’s internal clock uses a backup battery, and therefore maintains an accurate date and time, even during power outages. The date and time needs to be set when the transmitter is first installed, or after a power outage if the backup battery has failed.
  • Page 161 VS300 Operations and Maintenance Manual Operating the transmitter 2. Enter Time and Date parameters and press Apply. Press Cancel to discard changes. Please note that Time and Date cannot be set via this menu if NTP is enabled (see Setting the Clock - Using the Front Panel on page 2-146).
  • Page 162 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.122: Time Display on Top Level Screen Time display To change the time or date, use the right and left arrow buttons to move the cursor to the desired field (hours, minutes, seconds, year, month, day), and use the up and down arrow buttons to increase or decrease the value of the selected field as desired.
  • Page 163 The accuracy of the NTP synchronization is related to the distance to the server. For this reason, Nautel recommends that you choose servers in the same country as the equipment. If this is not possible, attempt to connect to servers from the same continent.
  • Page 164 VS300 Operations and Maintenance Manual Operating the transmitter Monitoring NTP Servers The NTP Server Status section displays tabular information on the NTP servers connected to the network. The table includes remote name, IP address, delay, offset and jitter. • Remote Name: Displays the host name of the referenced time source. An asterisk (*) in the first column marks the reference time source that is currently preferred by the NTP daemon.
  • Page 165 This data includes logs, alarms and meter readings which are then stored in a database and can be analyzed by Nautel staff if an alarm is reported by the transmitter. Since all data is pushed out to Nautel by the transmitter to the cloud, there is no need to reconfigure your firewall and potentially compromise your transmitters security.
  • Page 166 VS300 Operations and Maintenance Manual Operating the transmitter Setting call sign/ID The Call Sign/ID screen (see Figure 2.125) allows users to set a name that identifies the transmitter on the AUI. This identification will be displayed in brackets on the top transmitter banner of the AUI...
  • Page 167 VS300 Operations and Maintenance Manual Operating the transmitter Setting Audio Low Thresholds You can set thresholds for the main audio and SCA sources (trip level and timeout) using the remote AUI (see “Setting Audio Low Thresholds - using the AUI”) or the front panel UI (see “Setting Audio...
  • Page 168 VS300 Operations and Maintenance Manual Operating the transmitter Setting Audio Thresholds - Using the Front Panel When you select User Settings -> Audio Low from the Main Menu (see Figure 2.128), you can establish the low audio thresholds and timeout delays for the main audio and SCAs.

  • Page 169: User Settings - Front Panel Ui

    VS300 Operations and Maintenance Manual Operating the transmitter User Settings - Front Panel UI You can establish various user settings for the VS300 using the local front panel UI. The following options are available: Note: The following Front Panel User Settings are also available using the remote AUI and are...
  • Page 170 VS300 Operations and Maintenance Manual Operating the transmitter Setting Pilot Sample Level Note: Setting the pilot sample is only available using the front panel UI. From the front panel UI, you can set the level of the pilot sample that is applied to the PILOT SAMPLE OUT (A1J4A) BNC connector on the rear of the controller (A4).
  • Page 171 Signal Generator is only available using the front panel UI. From the front panel UI, you can configure the test signal generator output of the VS300. Note that a different menu will appear depending on the currently configured test signal type. To view the Signal Gen screen, select User Settings ->...
  • Page 172 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.132: Signal Generator Editing Screens Select ON (enabled) or OFF (disabled). Press the cancel (X) button to discard changes and return to the previous menu. Default is OFF. Select a type - None, Sine Wave, Sine Sweep or Band limited Noise.
  • Page 173 Station ID settings are only available using the front panel UI. In certain applications, the VS300 may be used as a translator to re-broadcast primary information as a secondary station on an alternate frequency. To allow the secondary station to be identified, you can set station ID parameters such as call sign, FSK deviation and repeat interval.
  • Page 174 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.134: Station ID Editing Screens Issue 8.0 2016-03-01 Page 2-159...
  • Page 175 When you select User Settings -> Fwd Low from the Main Menu (see Figure 2.135), you can establish the low forward power thresholds for the VS300. There are two thresholds available - low power and very low power. Figure 2.135: Fwd Low Menu Use the up and down buttons to move the cursor to the desired line item and then press the right button to enable editing.
  • Page 176 VS300 Operations and Maintenance Manual Operating the transmitter Turn-On Delay Setting Note: Configuration of the Turn-On Delay setting is only available using the front panel UI. From the front panel UI, you can set the transmitter’s turn-on delay. This setting determines the time delay for the transmitter to recover from an ac power loss.
  • Page 177 VS300 Operations and Maintenance Manual Operating the transmitter Ramp-Up Speed Setting Note: Configuration of the Ramp-Up Speed setting is only available using the front panel UI. From the front panel UI, you can set the transmitter’s ramp-up speed. This setting establishes the time it takes the transmitter to ramp up from 0 W to full power.
  • Page 178 Note: Configuration of the Transfer Control menu settings is only available using the front panel UI and is only displayed when the VS300 is part of a main-standby system connected to a VS-TC transfer control unit. From the front panel UI, you can set the transmitter’s ramp-up speed. This setting establishes the time it takes the transmitter to ramp up from 0 W to full power.

  • Page 179: Configuring Remote Inputs And Outputs

    Remote I/O Settings - Using the Front Panel UI on page 2-174). Refer also to the VS300 Pre-installation Manual for information on remote inputs and outputs and their factory default settings. Remote I/O Settings - Using the AUI To view the Remote I/O page (see Figure 2.140), select Remote I/O from the Menu options.
  • Page 180 Nautel sets remote input defaults prior to shipping. See the VS300 Pre-installation Manual for details. Select the desired remote input (1 through 10) from the list. The Channel and Control settings for the selected input, as well as the current logic level (1 or 0), are displayed on the right-hand side of the page.
  • Page 181 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.141: Select a Remote (input window) Configure Input control logic - AUI You can configure the active/inactive control logic for each of the 10 remote inputs. Click the existing Logic bar to display the applicable drop-down menu options, which may include: •...
  • Page 182 2.142, you can configure up to 16 remote outputs that indicate either the presence of various alarms or the status of operator controlled circuits. Nautel presets the remote outputs prior to shipping. See the VS300 Pre-installation Manual for details. Figure 2.142: Remote Outputs Page Select the desired remote output (1 through 16) from the list.
  • Page 183 The inactive logic level indicates remote control is disabled. • Various Alarms . The active logic level indicates that the selected alarm is occurring. Any transmitter alarm can be selected as a remote output. Refer to the VS300 Troubleshooting Manual for a description of each alarm. •...
  • Page 184 VS300 Operations and Maintenance Manual Operating the transmitter • Output Low When RF Off . Logic ‘0’ (low) indicates the output is true (RF is off); Logic ‘1’ (high) indicates the output is false (RF is on). if the selected channel is Local/Remote , the drop-down options are: •...
  • Page 185 VS300 Operations and Maintenance Manual Operating the transmitter Analog Outputs There are four analog outputs - forward power, reflected power, average PA voltage and total PA current - that can be remotely monitored (see Figure 2.144). These outputs are factory defined parameters (cannot be changed to other parameters), however their scaling can be configured to reflect the output voltage that yields a full-scale deflection.
  • Page 186 VS300 Operations and Maintenance Manual Operating the transmitter Site Control Settings You can use the AUI’s Site Control page (see Figure 2.145) to locally or remotely configure remote inputs and outputs for use with external site control equipment (air conditioner, etc.). This page allows the user to create and configure custom inputs and outputs and assign them for use using the Remote Inputs and Remote Outputs pages.
  • Page 187 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.146: Site Control Rule Editing Window • In the Name section, enter a name for the rule. This will display on the Site Control page, as well the Logs page, when triggered.
  • Page 188 VS300 Operations and Maintenance Manual Operating the transmitter • In the Input section, use the drop-down menu to select the desired input (alarm, status or custom input) that will affect the rule. Note that a second input may also be selected in conjunction with a logic operation if the Operator section contains the AND, OR or XOR function.
  • Page 189 That setting can only be made by a local user using the front panel UI. Nautel sets remote input defaults prior to shipping. See the VS300 Pre-installation Manual for details. Figure 2.148: Remote Inputs Screens (Input 1 shown) Page 2-174 Issue 8.0 2016-03-01...
  • Page 190 2.149), you can configure up to 16 remote outputs that indicate either the presence of various alarms or the status of operator controlled circuits. Nautel sets remote output defaults prior to shipping. See the VS300 Pre-installation Manual for details. Figure 2.149: Remote Outputs Screens (Output 1 shown) Issue 8.0 2016-03-01...
  • Page 191 2.150), you can view the levels of four pre-defined analog outputs that are representative of critical transmitter parameters. Nautel sets analog output defaults prior to shipping. There are no configuration options. They are for monitoring purposes only. See the VS300 Pre-installation Manual for details.
  • Page 192 VS300 Operations and Maintenance Manual Operating the transmitter Use the up and down buttons to select the desired analog output (1 through 4) from the list. Each screen shows the analog output parameter (e.g., Forward Power, Reflected Power, Avg PA Volts or Total PA Current), as well as the meter reading (actual and full-scale) and the output pin voltage (actual and full-scale).

  • Page 193: Scheduler

    VS300 Operations and Maintenance Manual Operating the transmitter Scheduler If the scheduler is enabled (see Enabling the Scheduler on page 2-179), you can program a preset schedule for the transmitter. Use the Scheduler page (see Figure 2.151) to set the dates and times at which presets take effect.
  • Page 194 VS300 Operations and Maintenance Manual Operating the transmitter When you click in the Rules list, you have the option to edit or delete an existing rule, or to create a new rule. Click the New or Edit button to display the Rule Explorer window (see Figure 2.152 on...
  • Page 195 VS300 Operations and Maintenance Manual Operating the transmitter When Scheduler: ON appears, the transmitter will follow the Scheduler settings. When S cheduler: OFF appears, the transmitter will stop following the schedule and the active preset will be the preset that was operating when the scheduler was disabled.

  • Page 196: Audio Player

    VS300 Operations and Maintenance Manual Operating the transmitter Audio Player The built-in audio player (see Figure 2.155) can use a file playlist, Livewire or Shoutcast as an audio source. These sources must be configured before they can be used. This section describes how to configure audio player sources.
  • Page 197 VS300 Operations and Maintenance Manual Operating the transmitter Playlist The Playlist tab (see Figure 2.156) displays the audio files and sequence that currently make up the playlist. Only audio files that are supported (e.g., .wav or .mp3 files) will be played. For .mp3 files, using files with bit rates equal to or less than 96 kbps achieves best audio results.
  • Page 198 VS300 Operations and Maintenance Manual Operating the transmitter The Available Files on USB section is used for adding audio files to the playlist ( Add Files button) or refeshing the playlist ( Refresh button) . Audio files must be stored on an external USB device plugged into the USB-A (A1J8B) or USB-B (A1J8C) connector on the rear of the controller;...
  • Page 199 Streams The Streams tab (see Figure 2.157 on page 2-183) of the VS300 is capable of playing audio streams in either Icecast/Shoutcast or Livewire format. The audio player supports Icecast/Shoutcast playlists and IP addresses for audio streams. For an Icecast or Shoutcast playlist enter the URL for the station. For an audio stream, enter the URL for that stream.
  • Page 200 2. If you are editing an audio stream, enter the appropriate information for the audio server (Name and URL for Shoutcast; Name and Channel for Livewire). Make sure the VS300 can access the location. 3. Click OK to either edit or delete the audio stream, or click Cancel to discard changes.

  • Page 201: Enabling And Operating The Orban Audio Processor

    If a discrepancy exists between the operational instructions in the Orban manual and this document, the latter shall prevail as this document is specific to operation with an VS300 transmitter. View the Orban Optimod-FM 5500 Digital Audio Processor Operating Manual online at: ftp://ftp.orban.com/5500/Documentation/...
  • Page 202 Note: Audio processor configuration is only available using the front panel UI. Configure the VS300 to recognize the presence of the Orban card using the front panel UI as follows: 1. With the transmitter turned on and in local mode of operation, navigate to the front panel UI's Main Menu ->...
  • Page 203 Orban Inside card is selected; however the other limiters (hard limiter, AGC limiter, 2-slope limiter) remain active. Nautel recommends that you set the thresholds for these other limiters high enough to ensure the signal is unaffected. These other limiters remain as a last resort to prevent over-modulation.
  • Page 204 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.161: Enabling the Orban Audio Processor - Front Panel UI Orban Enabling - Using the Remote AUI 1. With the transmitter turned on, connected to a remote monitoring PC or laptop and in remote mode of operation, navigate to the AUI's Main Menu ->...
  • Page 205 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.162: Enabling the Orban Audio Processor - Remote AUI Selecting an Orban Audio Processor Preset Select an Orban audio processor preset using either the front panel UI (see Selecting an Orban Preset...
  • Page 206 VS300 Operations and Maintenance Manual Operating the transmitter Selecting an Orban Preset - Using the Front Panel 1. From the User Settings -> Edit Presets -> (Select desired preset to edit) -> Main Audio > Audio Processor menu (see Figure 2.163), select Preset .
  • Page 207 VS300 Operations and Maintenance Manual Operating the transmitter Managing an Orban Audio Processor Preset Orban presets contain many audio processing settings, including stereo enhancement, AGC, EQ, final clipping and distortion. From the remote AUI (not available from the front panel UI), you can create Orban presets, manage their various settings and save the preset settings to a text file.
  • Page 208 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.166: Audio Processor Menu - Less More Tab Shown Slider bar Current Setting (green section) Adjustment Buttons Loading and Saving Orban Presets The left-hand side of the Audio Processor pages has four buttons (see below).
  • Page 209 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.167: Audio Processor meter window There are two types of Orban audio processor presets: factory presets and user presets. Factory presets, designated by an 'F' in the Load or Save screens, cannot be modified. When a factory preset control is changed, a new preset is automatically created.
  • Page 210 VS300 Operations and Maintenance Manual Operating the transmitter Tab Sections The following tabs (and referenced Figure numbers) are available on the Audio Processor page. Each provides specific control functions for the selected preset. Refer to the Orban Optimod 5500 manual for details on these settings.
  • Page 211 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.169: Audio Processor Menu - AGC tab Figure 2.170: Audio Processor Menu - EQ tab Page 2-196 Issue 8.0 2016-03-01...
  • Page 212 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.171: Audio Processor Menu - Final Clipping tab Figure 2.172: Audio Processor Menu - Multiband tab Issue 8.0 2016-03-01 Page 2-197...
  • Page 213 VS300 Operations and Maintenance Manual Operating the transmitter Figure 2.173: Audio Processor Menu - Compressors Tab Figure 2.174: Audio Processor Menu - Bandmix Tab Page 2-198 Issue 8.0 2016-03-01...

  • Page 214: Routine Maintenance

    If a fan filter becomes damaged, replace it as soon as possible. You can order the filter from Nautel (part # HAS72) or obtain one from any local supplier of HVAC supplies.
  • Page 215 VS300 Operations and Maintenance Manual Routine maintenance Checking hardware All hardware must be checked at least once a year. Nautel recommends more frequent checking if the VS300 is subjected to above average thermal cycling, caused by turning the VS300 on and off. •...

  • Page 216: Performing On-Air Checks

    Proof of Performance document. Note: Nautel completes the Proof of Performance document with the transmitter operating at 98 MHz, terminated into a precision 50 ohm load. Measurements made at other operating frequencies may not yield the same readings.

  • Page 217: Replacing The Exciter/Control Pwb Battery

    2. Gain access to the exciter/control PWB (A1) by removing the transmitter’s top cover. 3. Replace battery BT1 on the exciter/control PWB. See Figures MD-1 and MD-2 in the mechanical drawings section at the end of the VS300 Troubleshooting Manual to locate the exciter/control PWB (A1) and its battery (BT1).

  • Page 218: Non-Standard Maintenance

    Menu / System Settings / Upgrade Software . Note the software version in the Current Version field i.e., 4.0.0.99. 2. Contact Nautel for the most recent software revision and download *.tgz file to a laptop or network location.
  • Page 219 VS300 Operations and Maintenance Manual Non-standard maintenance Transferring upgrade file The following steps assume either the laptop will be used to connect directly to the transmitter OR the transmitter and network computer are currently connected to the same network. Transmitter IP configuration 1.
  • Page 220 3. At the transmitter login screen enter: – User: “Nautel” or “****”, where **** is the user assigned user name – Password: leave blank (default) or “****”, where **** is the user assigned password 4. Navigate through the AUI to Menu / System Settings / Upgrade Software and press Manage Files/Browse .
  • Page 221 3. After a successful load (status is 100% complete and a message indicates a successful load), cycle the ac power (turn off, then on) on the VS300. 4. This completes the software upgrade. Restore the former network settings on the transmitter...

  • Page 222: Configuring An Audio Loss Backup Preset

    Non-standard maintenance Configuring an audio loss backup preset The VS300 contains an audio level detection circuit that can be used, when enabled, to allow switching to a secondary (backup) audio input source upon the loss of the primary source. Configure...
  • Page 223 VS300 Operations and Maintenance Manual Non-standard maintenance Figure 4.2: Backup Preset Main Audio Screen 3. The setup page for the selected preset should now appear. Click the Main Audio tab (see Figure 4.2). 4. Click the Audio Source field’s drop-down arrow to view the available audio sources. Select the desired backup audio source.
  • Page 224 VS300 Operations and Maintenance Manual Non-standard maintenance Figure 4.3: Saving the Backup Preset Configuring the primary audio preset 1. Go to Menu / Presets / Load . The Load Preset window in Figure 4.1 shall display. 2. Select your primary or normal preset to allow editing of its audio loss parameters. Click Load .
  • Page 225 VS300 Operations and Maintenance Manual Non-standard maintenance Figure 4.4: Normal Preset - Other Audio screen Notes: SCA, RDS and Pilot modulation levels are additive and contribute the audio level. If their combined levels exceed the audio loss threshold level, a preset change will not occur.

  • Page 226: List Of Terms

    List of terms Section 5: List of terms This section defines some of the terms that are used in Nautel documentation. Audio Engineering Society/European Broadcasting Union (AES/EBU) is the name of a AES-EBU. digital audio transfer standard. The AES/EBU digital interface is usually implemented using 3-pin XLR connectors (the same type connector used in professional microphones).
  • Page 227 VS300 Operations and Maintenance Manual List of terms A setting that controls power level, frequency and audio parameters. The VS300 allows you Preset. to pre-program multiple presets. Printed Wiring Board. PWB. A complete, but temporary loss of RF output power, caused by any one of a variety of Shutback.

  • Page 229: Issue 8.0 2016-03-01

    Phone: +1.902.823.3900 or Fax: +1.902.823.3183 Nautel Inc. 201 Target Industrial Circle Bangor, Maine USA 04401 Phone: +1.207.947.8200 Fax: +1.207.947.3693 Customer Service (24-hour support) +1.877.628.8353 (Canada & USA only) +1.902.823.5100 (International) Email: support@nautel.com Web: www.nautel.com © Copyright 2016 NAUTEL. All rights reserved.

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