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Trilithic Model One Operation Manual

Signal level meter
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MODEL ONE
OPERATION
MANUAL
The Best Thing on Cable

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  • Page 1 Provided by www.AAATesters.com MODEL ONE OPERATION MANUAL The Best Thing on Cable...
  • Page 2 (1981), the SEARCHER PLUS for leakage measurement (1989) and the first integrated return path quality management system (1995). TRILITHIC is very well known for its leakage products, and more than 15,000 SEARCHER PLUS Leakage Receivers are now in daily use. The SUPER PLUS /...
  • Page 3 The remedy set forth herein shall be the only remedy available to the Buyer under this War- ranty and in no event shall Trilithic, Inc. be li- able for incidental or consequential damages for any alleged breach of this Warranty. This Warranty shall not apply to any part of the prod- uct which, without fault of Trilithic, Inc., has been...

  • Page 4: Table Of Contents

    Scan Enabled ......... 24 Transmission ........25 Limit Setup ........25 Freq Tuning Step ......27 Signal Level Units ......28 Temperature Units ......28 Load Default ........29 Prior Menu ........29 ! TRILITHIC Model One Operating Manual Index – 1...
  • Page 5 Transmission Characteristic Test ..55 Saving Data ........60 File Notation ........62 Loading Data ........64 Printing Operation ....... 66 Serial Printer ........67 Parallel Printer........ 68 Specifications ........... 71 Model One Operating Manual ""! TRILITHIC 2 – Index...

  • Page 6: Introduction

    QAM signals, carrier-to- noise measurements, data logging and also supports a voltmeter function. The Model One makes it easy to obtain a hard copy of installation data or documen- tation of a problem via its printer function. By connecting the unit to a serial printer, you can download its display or records.

  • Page 7: Equipment

    Equipment The Model One comes with the following: • Model One Signal Level Meter • Carrying Case • Strap (for Carrying Case) • Instrument Sleeve • Built-in 7.2V/1.8AH Ni-MH Battery • Universal Charger • BNC Connector Adaptor • Operation Manual The following options are also available: •...

  • Page 8: Level Measurements

    This mode is useful to make a quick check of your system’s overall flatness and amplitude. The Model One can be set to display both audio and video carriers at reduced frequency spans. This means that you can impose amplitude limits on the display.

  • Page 9: Spectrum Display

    DATA LOGGING The Model One has the capability to store the amplitudes of all video and audio carriers. This means that up to 24 full data records can be captured in non- volatile memory and later uploaded to your PC for record-keeping.

  • Page 10: Printer Feature

    PRINTER FEATURE In addition to being able to upload data records to a PC, the Model One can also download records or it’s current display to a serial printer. If you are using a parallel printer, the Model One can download records. This is...
  • Page 11 Model One Operating Manual ""! TRILITHIC 8 – General Information...

  • Page 12: Introduction

    MODEL ONE WALKTHROUGH Introduction Now that you have your Model One out of its box, take a few moments to look it over so that you become familiar with its controls. NOTE: Your meter’s battery may need to be charged (see page 14).
  • Page 13 (a BNC Connector Adaptor is included in the bag). KEY PAD The key pad consists of the various buttons to access the Model One’s functions. There are eleven function buttons, two arrow buttons (up, down), the power on/off button and three “soft buttons”...

  • Page 14: Soft Buttons

    The following is a list of the function buttons: Function Purpose Level Enter Single Channel/ Frequency Measurement Scan Enter Channel Spec- trum Scanning Mode Spect Enter Frequency Spec- trum Scanning Mode ! TRILITHIC Model One Operating Manual Model One Walkthrough – 11...

  • Page 15: Navigate Through Functions

    To scroll through a specific display’s menu topics, use the designated “soft” buttons (usually F2 and F3). Model One Operating Manual ""! TRILITHIC 12 – Model One Walkthrough...

  • Page 16: Display Screen Description

    NOTE: The Model One does not support a “wrap around” feature. If you are at the bottom of a menu list and wish to go to the top, you will need to press the UP arrow indicator rather than continue pressing the DOWN arrow.

  • Page 17: Battery Charging

    NOTE: The soft buttons vary from meter function to meter function (see Soft Buttons page 11). Battery Charging The Model One has a built-in 7.2V/1.8AH Ni-MH battery. When fully charged, it can be used for over three hours. When the voltage of the battery drops below 6.4V, the battery symbol flashes in...
  • Page 18 NOTE: If the voltage drops below 6.2V, the Model One shuts off automatically to protect the battery. You will not be able to turn the meter on again until you recharge the battery. To charge the Model One’s battery, connect the charge cube to the charge...
  • Page 19 Model One Operating Manual ""! TRILITHIC 16 – Model One Walkthrough...

  • Page 20: Introduction

    CAUTION: Your unit’s battery may need charging prior to use (see page 14). Before using the Model One, you need to perform some set up procedures which include: • Information (general information about your meter) •...

  • Page 21: Information Display

    The INFORMATION display window contains useful information regarding your Model One. 19:16:30 MODEL ONE Field strength meter NVER: x.xxxxxxxxx SERIAL NO. xxxxxxxx CAL DATE: xx/xx/xx REMOTE ADDRESS TEMPERATURE 73.0 F EXIT Model One Operating Manual ""! TRILITHIC 18 – Model One Setup...

  • Page 22: General Display

    Use F2 or F3 to scroll to the LCD CON- TRAST parameter. Use the UP arrow button on the key pad to DARKEN the contrast and the DOWN arrow to BRIGHTEN. darken contrast brighten contrast ! TRILITHIC Model One Operating Manual Model One Setup – 19...

  • Page 23: Shutdown Time

    NOTE: Since the Model One memo- rizes the video parameter set up, be careful not to set the display contrast too low. This may cause the liquid display to be too dim or not visible at all which can affect your meter’s operation.

  • Page 24: Date & Time

    F2 to scroll to the TIME entry and then F3 to return to the DATE line. This will restore the date line to the previous entry. ! TRILITHIC Model One Operating Manual Model One Setup – 21...

  • Page 25: Volume

    This scrolls you down to the TIME line. Enter the desired time via the numeric (FCN) buttons. NOTE: The Model One is based on a 24 hour clock. For example, 3:15:49 PM should be input as 15:15:49. Press F1 (ENTER) to log the change and return to the GENERAL display.

  • Page 26: Lcd Test

    Measurement Display Once your meter’s parameters have been established and you are back to the main set up menu, use F2 or F3 to scroll to the MEASUREMENT command box. ! TRILITHIC Model One Operating Manual Model One Setup – 23...

  • Page 27: Scan Audio

    SCAN ENABLED When the SCAN ENABLED function is selected, the Model One scans only the active channels in the Channel Plan. This provides the most efficient access to your CATV system information. Model One Operating Manual ""! TRILITHIC 24 –...

  • Page 28: Transmission

    Channel Spectrum Scanning Measure- ment page 44). To enable or disable this function, scroll to LIMIT DISPLAY and then press F1 to toggle the function from off to on (NO to YES). ! TRILITHIC Model One Operating Manual Model One Setup – 25...
  • Page 29 (0dB to 15dB). To enter the levels, use F2 or F3 to scroll to each limit. Press FCN to toggle the key pad to numeric entry mode. Model One Operating Manual ""! TRILITHIC 26 – Model One Setup...

  • Page 30: Freq Tuning Step

    Once you have set the levels for each parameter, scroll to SAVE AND EXIT and press F1. The Model One returns to the LIMIT SETUP screen. Once the limits are set, scroll to PRIOR MENU and press F1 to return to the MEASUREMENTS setup screen.

  • Page 31: Signal Level Units

    Fahrenheit. Scroll between the two with the F2 and F3 buttons. Once the desired setting is highlighted, press F1 to select the setting and return to the MEASUREMENT setup screen. Model One Operating Manual ""! TRILITHIC 28 – Model One Setup...

  • Page 32: Load Default

    If you wish to restore the Model One to the default settings, scroll to LOAD DEFAULT and press F1. The meter will return to all of its default settings.

  • Page 33: Learn Channel Plan

    To learn a channel plan, scroll to LEARN CHAN- NEL PLAN and press F1. CAUTION: Before starting the learning session, make sure your Model One is hooked up to your CATV system. 19:16:30 SETUP CHANNEL PL...

  • Page 34: Edit Channel Plan

    NEL PLAN and press F1. 19:16:30 SETUP CHANNEL PL CHANNEL PL CHANNEL PL AN CHANNEL PL CHANNEL PL $#EDIT CHANNEL PLAN TYPE FREQ 121.25 127.25 133.25 139.25 145.25 ENTER ! TRILITHIC Model One Operating Manual Model One Setup – 31...
  • Page 35 Enter the desired number for the channel (0 - 199). Once the channel number is modified, press F1 to save the edit. The Model One scrolls to the ENABLED edit line. Model One Operating Manual ""! TRILITHIC 32 –...
  • Page 36 NOTE: The sum of this offset and the video carrier frequency should never be more that 870 MHz. Once the desired modification is made, press F1 to save the edit and exit the FCN mode. ! TRILITHIC Model One Operating Manual Model One Setup – 33...

  • Page 37: Tilt/Favorite

    F1 to save the edit and exit the FCN mode. When you have made the desired edits to the channel parameters, scroll to SAVE AND EXIT and press F1. The Model One returns to the EDIT CHANNEL PLAN screen. NOTE: Once you have modified the channels in the existing plan, you will need to press a function button (i.e.
  • Page 38 For example, even if you selected Chan- nel 14 first, as you add Channels 4 and 6, these channels go to the top of the list. ! TRILITHIC Model One Operating Manual Model One Setup – 35...
  • Page 39 Press F1. Go to the replacement channels and press F1. REMINDER: For the TILT MEASUREMENT feature to function, you must have at least FOUR channels in the FAVORITES list. Model One Operating Manual ""! TRILITHIC 36 – Model One Setup...

  • Page 40: Introduction

    BASIC OPERATION Introduction Once you have set up the Model One’s parameters, you are ready to operate the unit. The Model One supports a number of functions that are accessed via buttons on the key pad. There are eleven function buttons on the Model One’s key pad.
  • Page 41 Single Channel Level Test When set to the single channel level test, the Model One displays bar graphs of the video and audio carriers as well as numeric readouts of the carrier amplitudes and V/A difference. The meter can also...

  • Page 42: Tv Channels

    The LEVEL screen displays a scale which you can adjust by pressing F2 (SCALE). This enables you to vary the graduation of the scale according to a 1, 2, 5, 10dB scale. ! TRILITHIC Model One Operating Manual Basic Operation – 39...
  • Page 43 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 The Model One can scan the spectrum of the designated channel automatically. This function is particularly useful for CATV measurements. Model One Operating Manual ""! TRILITHIC 40 –...

  • Page 44: Single Frequency Channels

    Marker Frequency to any position in the channel spectrum. SINGLE FREQUENCY CHANNELS You can use the Model One to measure only the Center Frequency. To do this, first set the meter’s channel type to SGNL or single frequency channel (see Edit Channel Plan page 31).

  • Page 45: Digital Channels

    REF – REF + SCALE DIGITAL CHANNELS You can use the Model One to measure the average power of a digital channel according to the configured bandwidth. To do this, first set the meter’s channel type to DIGI (see Edit Channel Plan page 31).

  • Page 46: Frequency Mode

    REF – REF + SCALE Frequency Mode When set to the FREQUENCY Mode, the Model One displays the frequency and level for the desired channel. To access this screen, press the LEVEL button. The SINGLE CHANNEL LEVEL screen is displayed.

  • Page 47: Channel Spectrum Scanning Measurement

    (REF) and then F1 (REF–) or F2 (REF+) (see page 40). Channel Spectrum Scanning Measurement The Model One is designed to display the full span of the video carriers in your system. This function provides a quick check of your system’s overall flatness and amplitude.
  • Page 48 In addition to displaying the Marker Channel and its video, audio and V/A ∆ levels, the Model One also displays the LOW (starting) and HIGH (ending) frequencies. CHANNEL SPECTRUM SCANNING supports four methods based on the...
  • Page 49 You can zoom in on the graph by pressing the SCAN button. The Model One supports 5 levels of magnification. To return to the original zoom level, just keep pressing SCAN to cycle back.

  • Page 50: Limit Display

    To set the reference level and the scale automatically, press F1 (AUTO). The Model One will select the optimal scope for your system. If you prefer to set the reference level and scale yourself, press F3 (↓, ↑) (see page 40 for more information).

  • Page 51: Frequency Spectrum Scanning Measurement

    Frequency Spectrum Scanning Measurement The Model One can be set to display spectrum measurements with spans ranging from 2 to 50 MHz. It can also be set for a full spectrum scan (5 to 870 MHz) with sampling at each video carrier frequency in the selected channel plan.
  • Page 52 NOTE: The Model One can show spectrum data with absolute measurements or it can store data for comparative tests using the TRANS- MISSION feature. TRANSMISSION mode is set up in the MEASUREMENTS menu. Since the following data is for normal...
  • Page 53 SCANNING screen and then F2 (SCALE). If you want to stop the scanning process, simply press F2 (HOLD). The channel marker will stop moving. To resume scanning, press F2 (TRIG). Model One Operating Manual ""! TRILITHIC 50 – Basic Operation...

  • Page 54: Carrier-To-Noise Measurement

    Tilt and Favorite Channel When installing and maintaining your CATV system, you may want to concen- trate on only a few channels’ levels and the gain distribution of the transmission line. ! TRILITHIC Model One Operating Manual Basic Operation – 51...
  • Page 55 FAVORITE list are used to calculate tilt. To adjust the reference level, press F1 (REF–) or F2 (REF+). (See page 40.) To change the scale, press F3 (SCALE). (See page 40). Model One Operating Manual ""! TRILITHIC 52 – Basic Operation...

  • Page 56: Battery And Trunk Voltage Measurement

    CH 17 CH 17 CH 17 –01.2 –01.2 –01.2 The Model One displays the list of favorite channels with their video carrier levels. NOTE: You may list up to eight favorite channels. See TILT/ FAVORITE page 34 for set up procedures.
  • Page 57 The lower bar graph indicates the AC or DC voltage of the system’s trunk. Now that you have a better understanding of how to use the Model One’s basic features, you may turn to the advanced functions (see Chapter 5 page 55) such as...

  • Page 58: Introduction

    Transmission Characteristic Test The Model One enables you to test for the transmission characteristics of your CATV device via it’s scanning frequency network analyzer function. One of the primary needs of a CATV system is to ensure the quality of the signal transmission.
  • Page 59 PRESS F1 KEY FIRST SCAN ENABLED TRANSMISSION TO PROCESS TRANS- LIMIT SETUP MISSION MEASURE FREQ TUNING STEP SIGNAL LEVEL UNITS TEMPERATURE UNITS PRIOR MENU # LOAD DEFAULT # ENTER BACK Model One Operating Manual ""! TRILITHIC 56 – Advanced Operation...
  • Page 60 Connect the CATV source to the Model One and press F1 (ENTER). The Model One will display the transmis- sion measurement. The scale indicates ∆dB to show the difference between the current CATV source and the spectrum reference in memory.
  • Page 61 The Model One scans the level automati- cally according to the frequency of the video carrier which has been set in the Channel Plan (see CHANNEL PLAN DISPLAY page 29). The Model One then displays: 14:30:21 SPECT .......................
  • Page 62 The reference remains in the meter’s non- volatile memory even when the Model One is turned off. This enables you to mea- sure the level’s relative change at a later time.

  • Page 63: Saving Data

    Saving Data The Model One enables you to save the channel spectrum measurement data (see Channel Spectrum Scanning Measure- ment page 44). NOTE: This meter can save 48 or more groups of data. Each group may include the level value of the...
  • Page 64 • Date - the date the file was saved • Time - the time the file was saved • Start Channel - the number of the first or starting channel in the scan ! TRILITHIC Model One Operating Manual Advanced Operation – 61...

  • Page 65: File Notation

    F1 (ENTER). The character appears on the line below PLEASE INPUT NOTE. When you are finished, scroll to the “arrow” character (appears after “Z” and a blank) and press F1 (ENTER). Model One Operating Manual ""! TRILITHIC Advanced Operation 62 –...
  • Page 66 SAVE screen and your notation appears next to NOTE:. 19:16:30 SAVE # FILE05 INFORMATION DATE: 14/07/00 TIME: 13:39:27 START CHANNEL: DATA NUM SCAN AUDIO: SCAN ENABLE NOTE: HUB 1 SAVE EXIT NOTE ! TRILITHIC Model One Operating Manual Advanced Operation – 63...

  • Page 67: Loading Data

    When you are satisfied with the status of the file’s information, press F1 (SAVE). The Model One saves the file and then returns to the initial SAVE screen. The new file’s date and time appears next to the file number.
  • Page 68 Press F2 (TRIG) to go to a live SCAN mode. If the LIMIT DISPLAY in the LIMIT SETUP screen (see page 25) is set to YES, the amplitude limits will be imposed on the screen. ! TRILITHIC Model One Operating Manual Advanced Operation – 65...

  • Page 69: Printing Operation

    LOAD feature. Printing Operation The Model One enables you to print either reports or screens to a serial printer or reports to a parallel printer. NOTE: In order to use the printer feature, you will need a special cable (see page 4).

  • Page 70: Serial Printer

    Epson LX-300), you will need: • Printer Cable - P/N 2071352000 (5-pin circular connector to 25-pin D-sub-male connector) Connect the 5-pin circular end to the Model One and the 25-pin connector to the printer. 25-pin connector to serial printer 5-pin connector...

  • Page 71: Parallel Printer

    P/N 0440202000 (9-pin D-sub-male to 25-pin D-sub-female connector) Connect the Data Cable’s 5-pin circular end to the Model One and the 9-pin connector to the 9-pin connection of the Parallel Printer Adaptor. Then, connect the 25-pin connection of the Parallel Printer Adaptor to the 25-pin cable connected to your printer.
  • Page 72 For more informa- tion, see SAVING DATA, page 60 and LOADING DATA, page 64. Press the PRINT button to begin print operation. ! TRILITHIC Model One Operating Manual Advanced Operation – 69...
  • Page 73 Model One Operating Manual ""! TRILITHIC 70 – Advanced Operation...

  • Page 74: Specifications

    Settable from 2MHz to 50MHz, in 5 steps or full span. Amplitude Scale 1, 2, 5, 10dB/division CARRIER/NOISE Function Measurement Range Up to 50dB (with +25dBmV signal) Measurement Accuracy ±2dB typical Measurement 0.1dB Resolution ! TRILITHIC Model One Operating Manual Specifications – 71...
  • Page 75 21.8 cm x 9.5 cm x 4.9 cm Weight 1.5 lbs Display 128 pixel x 128 pixel backlit LCD Power Internal battery, approximately 4 hours operation per charge. AC Power cube Model One Operating Manual ""! TRILITHIC 72 – Specifications...
  • Page 76 ! TRILITHIC The Best Thing on Cable 9202 E. 33rd St. Indianapolis, IN 46235 (317) 895-3600 P/N 0010204000 9/00 Made in U.S.A.

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