Wohler AMP1-16-M User Manual
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Wohler AMP1-16-M User Manual

1ru, 16-channel, 3g/hd/sd-sdi audio monitor
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AMP1-16-M
1RU, 16-Channel, 3G/HD/SD-SDI Audio Monitor

User Guide

Software Release: V5.xx
Part Number 821189, Revision M

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  • Page 1: User Guide

    AMP1-16-M 1RU, 16-Channel, 3G/HD/SD-SDI Audio Monitor User Guide Software Release: V5.xx Part Number 821189, Revision M...
  • Page 2 In no event will Wohler Technologies, Inc. be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect in the hardware, software, or its documentation, even if advised of the possibility of such damages.

  • Page 3: Table Of Contents

    Trim Screen ....................12 USB Port Functionality .................. 13 Copying a Configuration from the AMP1-16-M ......... 14 Copying a Configuration File from the AMP1-16-M ........15 Update Menu ..................15 CHAPTER 3 - AMP1-16-M Manager GUI ..........16 Introduction ....................16 Running the AMP1-16-M Manager ..............
  • Page 4 APPENDIX C: Upgrading the AMP1-16M using Ethernet ......53 Introduction ....................53 Checking for Updates ..................54 Upgrading the AMP1-16-M ................56 APPENDIX D: Upgrading the AMP1-16-M Using a USB Flash Drive .... 57 Introduction ....................57 Upgrading the Software Using a USB Flash Drive ..........57 Page 4...

  • Page 5: Chapter 1: Quick Start

    2.4” graphics screens that work together to display 16 channels of audio level metering. You can both visibly and audibly monitor any de-embedded channel pair or pairs of the selected 3G/HD/SD-SDI input signal. The AMP1-16-M is small, low-cost, and simple to operate. Configuration is simple and you can easily copy any configuration to other AMP1-16-M units.

  • Page 6: Safety Symbols

    a. The equipment has been damaged in any way, such as when the power- supply cord or plug is damaged. b. Liquid had been spilled or objects have fallen onto the equipment. c. The equipment has been exposed to rain or moisture. d.

  • Page 7: Mechanical Bracing

    serious enough to interfere with the unit’s sound quality. If you experience sympathetic vibrations, use thin card stock, felt, foam, or weather-stripping between the vibrating surfaces. Tie loose cables securely with cable ties. Mechanical Bracing The 1RU chassis is securely attached to the front panel. In addition, the chassis has mounting tabs through which you attach it to the rack rail.

  • Page 8: Front Panel

    Try restarting the unit, and if the problem persists, contact Wohler Technical Support. The LED is also a solid yellow when the AMP1-16-M is first starting up. Yellow The LED blinks yellow when a firmware update is in progress.

  • Page 9: Rear Panel

    AMP1-16- Rear Panel Figure 1–2: Rear Panel Layout 1. Power: The AMP1-16-M uses a standard IEC power cord for the 100 to 240 VAC ±10%, 50/60 Hz power connection. 2. 3G/HD/SD-SDI Inputs: These two BNC connectors accept the 3G/HD/SD- SDI input signals.

  • Page 10: Chapter 2: Operation

    This chapter describes how to operate the AMP1-16-M from its front panel. Main Screen After powering up the AMP1-16-M and connecting an SDI input, you should see the Main Screen , which will be similar to the one shown in Figure 2–1...
  • Page 11 6. Adjust the Volume and Balance controls as necessary. 7. The channel pairs can be given unique names. To do this, simply connect a PC to the Ethernet port and run the Wohler AMP1-16-M Manager program. Refer to Appendix A to obtain the program.

  • Page 12: Trim Screen

    Trim Screen Press the Trim control to switch between the Main Screen and the Trim Screen. The Trim Screen lets you to individually adjust the gain of each channel to monitor the audio either through the internal speakers or through the analog outputs. The Trim Screen is shown in Figure 2–2 below.

  • Page 13: Usb Port Functionality

    AMP1-16-M Manager program in a PC and transferred to a USB flash drive which can then be inserted into the unit. Refer to The USB Tab section of Chapter 3. You can also use a flash drive to update the software in the AMP1-16-M. Refer to Appendix D for instructions.

  • Page 14: Copying A Configuration From The Amp1-16-M

    Note: All configuration files end in the .wcfg extension. Copying a Configuration from the AMP1-16-M 1. To load a configuration file to the AMP1-16-M from your flash drive, press . The Get from the Flash Drive screen will display as shown Figure 2–6...

  • Page 15: Copying A Configuration File From The Amp1-16-M

    AMP1-16-M software from a flash drive. You can copy the software update files to a flash drive using the Wohler AMP1-16-M Manager program in your PC. Refer to The USB Tab in Chapter 3 for adding a software update to a flash drive.

  • Page 16: Chapter 3 - Amp1-16-M Manager Gui

    CHAPTER 3 - AMP1-16-M Manager GUI Introduction This chapter describes how to use the AMP1-16-M Manager, which is a Graphical User Interface (GUI) PC program, to configure the AMP1-16-M. Important: If you have not yet installed the AMP1-16-M Manager setup software into your PC and connected it to the AMP1-16-M, you must complete all the steps in Appendix A before continuing.

  • Page 17: The Sdi Setup Tabs

    SDI 1 Setup screen for our example. Launch the AMP1-16-M Manager. Figure 3–1: AMP1-16-M Manager SDI Setup Screen 2. Channel Assignment: Click the drop downs to select whether each channel should be directed to the right, left, or both speakers.

  • Page 18: The Presets Tab

    The Presets Tab The AMP1-16-M has the ability to save and recall seven user presets and one factory preset. Configuration changes can be made through front panel menus or Wohler AMP1-16- M Manager PC software, and can be saved as user presets 1 to 7 either way.

  • Page 19: The Options Tab

    Click the up or down arrows to select the colors for each of the level meter segments. 3. Tone controls for the internal loudspeakers can be set in the front panel Speaker Control Options Menu or in the Wohler AMP1-16-M Manager PC program. A certain amount of default EQ suitable for the speakers’ characteristic frequency response is applied as the factory default.
  • Page 20 7. In the Audio Muting and Delay area selects any combination of Non-Audio or PA Header. Note: The AMP1-16-M detects PA headers that represent encoded data streams. 8. For the Delay , click either No Delay , or click the up or down arrows to either increase or decrease the amount of audio delay time.
  • Page 21 b. Screen Saver: Enter the amount of time you want the monitor to wait until it invokes the screen saver. Allowable values range in 1 minute increments from 5 minutes to 119 minutes, and in 1 hour increments from 2 hours to 24 hours. The default setting is 8 hours. If the AMP1- 16-M is in operation for the screen saver time-out period and no front panel controls have been turned or pressed, the screens will dim by a certain amount.

  • Page 22: The Ethernet Tab

    (used to attach AMP1-16-Ms to a network) refer to Appendix C. 3. Programming Files—Check for Updates: Clicking this button checks the Wohler FTP site for updated software. Note: If Update All is checked, all the files on the local computer will be updated, regardless of whether or not they are current.
  • Page 23 PC. 13.Send to Unit: Clicking the Send to Unit button allows you to transfer an AMP1-16-M configuration file from your PC to the AMP1-16-M that is selected in the Units Responding box. 14.Disconnect from Remote Unit: Click this button to disconnect from the remote unit.

  • Page 24: The Usb Tab

    You can then use this USB flash drive to copy those settings into an AMP1-16-M using the front-panel USB connector. Note: To use the USB port from the AMP1-16-M menu system, refer to USB Port Functionality in Chapter 2.
  • Page 25 Create Update on Flash Drive: Whether a new update was available on the Wohler website or not, this button can be used to create a software update on the attached USB flash drive. After this operation is performed, AMP1-16-M units will recognize that an update is available on the flash drive and will offer to update themselves from it.

  • Page 26: Chapter 4 - Internal Menu System

    AMP1-16-M, for easy reference. Important: The AMP1-16-M local menus cannot be used at the same time that the Wohler AMP1-16-M Manager PC software is connected. If this happens,...
  • Page 27 Figure 4–1: Menu Tree Press Trim Encoder Monitoring Screen momentarily to switch (or Trim Screen) between Monitoring Ch Pr Sel 1 Ch Pr Sel 5 and Trim screens. Ch Pr Sel 2 Ch Pr Sel 6 Ch Pr Sel 3 Ch Pr Sel 7 Ch Pr Sel 4 Ch Pr Sel 8...

  • Page 28: Channel Options Menu

    Channel Options Menu This menu allows setup of channel-to-speaker assignments. Figure 4–2: Channel Options Menu Turning the Trim knob left or right highlights each of the 16 channels in turn. Rotate to select a channel, then press Channel goes to Both Outputs, Channel goes to Left Output only, or Channel goes to Right Output only.

  • Page 29: Preset Options Menu

    Preset Options Menu This menu allows saving or recalling Presets, which are complete system configurations. Figure 4–3: Preset Options Menu 1. Recall: Pressing this button proceeds to the Recall a Preset screen as shown in Figure 4-4: Figure 4–4: Recall a Preset Screen Press a button corresponding to the preset you would like to recall.
  • Page 30 Figure 4–5: Save a Preset Screen Press a button corresponding to the preset you would like to save. Presets contain trim levels, input selections, and channel assignments. To leave this screen without saving a preset, press the Cancel button. Page 30...

  • Page 31: Trim Options Menu

    Trim Options Menu The Trim Options Menu allows you to select customized settings for the levels of each channel or input pair. Figure 4–6: Trim Options Menu 1. Enable/Disable: Pressing this button toggles the Trim feature on (enabled) and off (disabled). When disabled, pressing the Trim control will not enter the Trim Screen.

  • Page 32: Speaker And Analog Output Options Menu

    Speaker and Analog Output Options Menu This menu allows adjustment of various audio related settings. The Speaker Mute selector buttons set the speaker / headphone behavior. The default Speaker Mute setting is Mute with Headphone. The Analog Output selector buttons set which gain adjustments should be applied to the analog outputs on the rear panel.

  • Page 33: Speaker Control Options Menu

    Speaker Control Options Menu This menu allows adjustment of various audio related settings related to the purposing of the Volume and Balance controls and to the sound of the front panel speakers. Figure 4–8: Speaker Control Options Menu 1. Volume Controls: You can use this option to change the master volume and the balance knob to become Left Volume and Right Volume controls.

  • Page 34: Select And Detect Options Menu

    Select and Detect Options Menu This menu allows adjustment of various audio related settings related to the purposing of the Volume and Balance controls and to the sound of the front panel speakers. Figure 4–9: Select and Detect Options Menu 1.
  • Page 35 For example, pressing Channel Pair Selects 1/2 and 3/4 will result in channel pairs 1/2 and 3/4 being selected, and all will sound in the speakers. Pressing Channel Pair Select 1/2 again will de-select channel pair 1/2, leaving channel pair 3/4 still playing in the speakers. 3.

  • Page 36: Screen And Phase

    2 hours to 24 hours (in 1-hour increments). The default setting is 8 hours. If the AMP1-16-M is in operation for the screen saver timeout period and no front panel controls have been turned or pressed, the screens will dim by a certain amount.

  • Page 37: Meter Type And Reference Menu

    Meter Type and Reference Menu The Meter Type and Reference Menu allows you to define the level meter scale, float, bar and reference. Figure 4–11: Meter Type and Reference Menu 1. Scale: Pressing this button and then rotating the Trim knob steps through the scales for the level meters.
  • Page 38 Table 4–2: Meter Timings Fall Ballistics Rise Level Change Time Not Specified 5 ms to reach -2 IEC Type I dB of settled -20 dB 1.7 sec. reading 10 ms to reach -2 IEC Type II dB of settled -24 dB 2.8 sec reading None...

  • Page 39: Meter Segment Options Menu

    Meter Segment Options Menu On the Meter Segment Menu , you can customize your level meter segments thresholds and colors. Figure 4–12: Meter Segment Menu 1. Upper Segment: Pressing this button and then rotating the Trim knob adjusts the division between the upper and middle segments. You can adjust the color boundary in 1 dBr increments, and it has the same range as the bottom and top limits of the meter.

  • Page 40: Version And Ethernet Menu

    Figure 4–13: Versions and Ethernet Menu 1. Factory Default: Pressing this button opens a cautionary window to verify that you really want to restore the AMP1-16-M setup to the factory default. If you press the Factory Default button again, the action proceeds and the unit will restart.
  • Page 41 connection selection. 4. Connect LAN: Pressing this button selects between a LAN connection and a Direct connection. Note: Choosing the direct connection will automatically put the unit into DHCP mode. Important: This enables a single-address DHCP server. Thus, when a computer is connected directly, both the unit and the host computer will be assigned a DHCP address, and they will be able to communicate.

  • Page 42: Chapter 5 - Features And Specifications

    CHAPTER 5 - Features and Specifications Introduction This chapter lists the features and specifications of the features and options of each local, internal menu. Features 1. Totally digital system architecture with high fidelity Class D amp 2. Stereo or mono monitoring 3.

  • Page 43: Compliance

    Compliance All components comply with UL, CE, and RoHs specifications. The AMP1-16-M meets FCC Part 15 compliance. Specifications Table 5-1: Specifications Specification Values / Domains Power requirements 100 V to 240 V AC ± 10%, 50/60Hz Power consumption 60 Watts 1.75”...

  • Page 44: Audio Formats

    Better than -68 dB below full output Electrical Distortion <0.05% at any level below limit threshold Audio Formats All of the audio formats listed in Table 5–2 below are available for monitoring in the AMP1-16-M. Table 5-2: Audio Formats Standard Format Rate 29.97; 25 720p 23.98;...

  • Page 45: Technical Functional Overview

    Technical Functional Overview Figure 5-1 illustrates the overall functionality of the AMP1-16-M monitor. Figure 5–1: AMP1-16-M Block Diagram Note: Stereo phase indication measurement occurs in the signal chain before it is routed to the speakers. Page 45...

  • Page 46: Appendix A: Connecting The Amp1-16-M To A Lan

    APPENDIX A: Connecting the AMP1-16- M to a LAN Introduction This appendix describes how to connect your PC to your AMP1-16-M through a local area network (LAN) and to configure the monitor using the Wohler AMP1-16-M Manager PC program. Alternatively, you may connect your unit to your computer directly with a single Ethernet cable.

  • Page 47: Installing The Amp1-16-M Manager

    Decision Point If you already have a member user ID and password for the Wohler web site, then log in by clicking on the Member Sign In link at the top right hand corner of the home page and sign in.

  • Page 48: Launching The Amp1-16-M Manager

    Launching the AMP1-16-M Manager 1. Launch the AMP1-16-M Manager from the Desktop. When the AMP1-16-M Manager appears, it will display the SDI 1 Setup tab by default. Figure A–1: AMP1-16-M Manager SDI 1 Setup Tab 2. Click the Ethernet tab.

  • Page 49: Adding Your Amp1-16-M To Your Network

    4. Click Config IP. Figure A–3: Enter AMP1-16-M Address Dialog 5. When the Enter AMP1-16-M IP Address dialog displays, do the following: a. Click the Use DHCP check box (if needed) to select DHCP b. Do NOT check Direct Connect if connecting to the unit through a LAN.
  • Page 50 7. If the unit is located on a different subnet than the host computer, the Windows Manager may not be able to automatically locate it. In this case, use the Locate IP button. a. Enter the IP Address of the AMP1-16-M that you’re trying to locate on the network. b. Enter the IP Mask.

  • Page 51: Appendix B: Using A Direct Connection

    Important: If you have not yet installed the AMP1-16-M Manager setup software into your PC you must do that first. Please see the download and installation instructions in Appendix A before continuing.
  • Page 52 Of course, if you are familiar with setting compatible static IP addresses and subnets in both your host computer and the AMP1-16-M, that option is open to you as well. You may use either an Ethernet patch cable or a crossover cable for the connection.

  • Page 53: Appendix C: Upgrading The Amp1-16M Using Ethernet

    PC you must do that first. Please see the download and installation instructions in Appendix A before continuing. There are two methods to update the software in the AMP1-16-M. 1. Use a USB flash drive. 2. Use the AMP1-16-M Manager to update the unit over Ethernet.

  • Page 54: Checking For Updates

    Checking for Updates Before establishing the connection to the AMP1-16-M, you should check to see if any software updates are currently available. 1. Launch the AMP1-16-M Manager from your PC’s desktop. 2. Click the Ethernet tab. Figure C–1: AMP1-16-M Manager Ethernet Screen 3.
  • Page 55 Figure C-3 below. c. The Wohler AMP1-16-M Manager may also display a message that the manager itself needs to be updated. In this case, you must uninstall the current manager, download the latest manager, and install it on your PC Figure C–3: FTP Success Dialog...

  • Page 56: Upgrading The Amp1-16-M

    Upgrading the AMP1-16-M Figure C–5: AMP1-16-M Manager Ethernet Screen 1. To update the AMP1-16-M of your choice, click the one you want to update from the Units Responding area. 2. Click Update. Note: The AMP1-16-M will discontinue its normal operation while the software update is taking place.

  • Page 57: Appendix D: Upgrading The Amp1-16-M Using A Usb Flash Drive

    APPENDIX D: Upgrading the AMP1-16-M Using a USB Flash Drive Introduction This chapter describes how to download software upgrades to your PC using a USB Flash Drive. Important: If you have not already done so, place a software update onto the flash drive using the instructions in Programming Files in Chapter 3: The USB Tab.
  • Page 58 Alternatively, you can press the Replace Software Unconditionally button to install the software contained in the flash drive into the AMP1-16-M, even if it the same version already is installed and even if the flash drive version is a lower version than what is already installed.
  • Page 59 Alternatively, you may press the Cancel/Quit button to return to the Flash Drive Software Update menu and not perform the software update. When the software is finished installing, the AMP1-16-M will restart and the screen will display the message in Figure D-5 below. At this point, you may remove the Flash Drive.

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