AMP1-16-M 1RU, 16-Channel, 3G/HD/SD-SDI Audio Monitor User Guide Software Release: V5.
© 2016 Wohler Technologies, Inc. All rights reserved. This publication is protected by federal copyright law. No part of this publication may be copied or distributed, stored in a retrieval system, or translated into any human or computer language in any form or by any means electronic, mechanical, manual, magnetic, or otherwise, or disclosed to third parties without the express written permission of Wohler Technologies, Inc.
TABLE OF CONTENTS Contents User Guide ........................................................................................ 1 TABLE OF CONTENTS .......................................................................... 3 Contents ....................................................................................................... 3 CHAPTER 1: Quick Start ....................................................................... 5 Introduction ..............................................................
Introduction ................................................................................................ 26 Menu Navigation Overview ............................................................................ 26 Channel Options Menu .................................................................................. 28 Preset Options Menu ..................................................................................... 29 Trim Options Menu ............................................................
CHAPTER 1: Quick Start Introduction Overview The AMP1-16-M is a 1RU, 16-channel, 3G/HD/SD-SDI audio monitor. This unit comes with two 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.
a. The equipment has been damaged in any way, such as when the powersupply 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. The equipment does not operate normally. e. The equipment has been dropped. Safety Symbols WARNING: The symbol to the left warns of electric shock hazard inside the unit. Disconnect the power cord before removing access panels when installing upgrades.
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. This feature will reduce or eliminate rear bracing requirements in many mobile/portable applications.
Front Panel Figure 1–1: Front Panel Layout 1. Speakers: Audio monitoring is achieved through the use of class D amplifiers driving two (left/right) wide range speakers. 2. Headphone Jack (1/4”): A 1/4" jack for an optional headphone is provided on the front panel. 3. USB 2.0 Port: This USB Type A connector allows you to use a flash drive (not supplied) to copy system configurations to another AMP1-16-M or to a PC and allows you to update the unit’s firmware (Version 4 and later). 4.
be set so that it only controls the Right Volume. 9. SDI Selection: Press either of these LED buttons to select one of the two SDI inputs. Note that SDI 1 is selected by default whenever: a. The AMP1-16-M is powered up, or b. The Send to Unit control is clicked on a remote access. 10.Trim/Menu: Pressing and holding this button for at least three seconds opens the menu system so you can customize the operation of the AMP1-16M. Rear Panel Figure 1–2: Rear Panel Layout 1.
CHAPTER 2: Operation Introduction 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 below.
Attribute Icon Color Symbol Description Meaning Light Blue Triangle or Square Channel is selected by the Channel Pair Select buttons and can be heard Dark Blue Triangle or Square Channel is not selected by the Channel Pair Select buttons and cannot be heard Downward Pointing Red Triangle Channel contains a bitstream instead of audio and cannot be heard 2. Level Meters: All of the channels are metered. 3. Channel Selection: There are many ways to select channels for listening.
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. Figure 2–2: Trim Screen The meters are labeled as they are in the Main Screen. At the bottom of each meter, a number indicates the amount of gain or loss being applied to each channel.
Figure 2–3: Main Screen (Trim Adjusted) USB Port Functionality You can copy configuration files to and from your unit by using a flash drive connected to the USB port. Configurations may also be created using the Wohler 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.
Figure 2–5: Flash Drive Options Screen 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 Get. The Get from the Flash Drive screen will display as shown in Figure 2–6 below. Figure 2–6: Get From Flash Drive Screen 2. Using one of the bright yellow choices, press the file number (File 1 through File 7) of the file you want to copy from your flash drive.
Copying a Configuration File from the AMP1-16-M 1. To copy a configuration file from the AMP1-16-M to the flash drive, press Save from the Flash Drive Options screen. The Save to Flash Drive screen will display as shown in Figure 2–7. The lighter color buttons indicate file numbers that already contain configuration data. Figure 2–7: Save to Flash Drive Screen 2. Press the file number (File 1 through File 7) of the file you want to copy from your flash drive.
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. Running the AMP1-16-M Manager The AMP1-16-M Manager allows you to customize the AMP1-16-M configuration to perfectly suit your needs.
The SDI Setup Tabs Since the SDI 1 Setup and SDI 2 Setup screens are identical, we are only showing and describing the SDI 1 Setup screen for our example. 1. 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. 3. Channel Pair Naming: In the blank fields at the middle of the screen, you can add names for any channel pair.
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 AMP1-16M Manager PC software, and can be saved as user presets 1 to 7 either way. Presets can be recalled from a front panel menu, in the Presets tab of the AMP116-M Manager program, or by pressing and holding a front panel Channel Pair Select button for at least three seconds.
The Options Tab 1. Click the Options tab. Figure 3–3: AMP1-16-M Manager Options Screen 2. In the Level Meters area, click the drop downs to select the Scale, Float, and Bar for your level meter display. Alternatively, you can click the Meter Scale Default button to return to the default for that scale. The scale itself won't change. a. Also in the Level Meters area, click the up or down arrows to select the levels at which the colors between the top and middle segments and the middle and lower segments. b.
d. Lowering Treble compensates for high frequency pre-emphasis or removes sibilance effects. Increasing Treble will add “sizzle” to the sound and bring high-pitched sounds out of the mix. 5. In the Speaker Mute area, click to select one of three speaker configurations: a. Never: Never mute the speakers even when headphones are connected. b. Phones: Only mute the speakers when the headphones are connected. c. Always: Always keep the speakers muted.
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 AMP116-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.
The Ethernet Tab 1. Click the Ethernet tab. Figure 3–4: AMP1-16-M Manager Ethernet Screen 2. The Ethernet tab allows you to transmit configurations and perform a variety of other tasks over a network. Note: For a complete description of the functions in the Units Responding area refer to Appendix A. For a complete description of the functions in the Programming Files area (used to attach AMP1-16-Ms to a network) refer to Appendix C. 3.
7. Documentation—Open Log: Clicking this button opens the contents of the Activity Log in Notepad or Wordpad so that you may save the log to a desired location. Log files are automatically saved in the C:/Wohler/AMP1-16M/User folder. 8. Documentation—Manual: Clicking this button allows you to read this document in .pdf format. 9. Activity Log: The Activity Log area displays system response data to the various functions on this menu.
The USB Tab You can copy up to seven configuration files to or from a USB flash drive connected to your computer. 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.
existing title, you will be asked if you want to overwrite the file. 5. PC Setup Files—Save: In the PC Setup files area, click Save to save the current configuration displayed in the Manager to the PC’s hard drive. When the Save As dialog appears, browse to the folder where you wish to save the file, and then click Save. Note: This button has exactly the same functionality as the Save button on the Ethernet tab. It is repeated here for your convenience. 6.
CHAPTER 4 - Internal Menu System Introduction This chapter provides an in-depth description of all the features, specifications, and menus and all their respective options and functions. Note that the menus are listed in the order in which they are encountered when proceeding through the menu tree in the 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.
Figure 4–1: Menu Tree Press Trim Encoder momentarily to switch between Monitoring and Trim screens. Monitoring Screen (or Trim Screen) 1 2 3 4 Ch Pr Sel 1 Ch Pr Sel 2 Ch Pr Sel 3 Ch Pr Sel 4 Ch Pr Sel 5 Ch Pr Sel 6 Ch Pr Sel 7 Ch Pr Sel 8 5 6 7 8 Hold Trim Encoder for 3 seconds to enter or exit menus. Channel Options 1 2 3 4 Hold a Channel Pair Select button for 3 seconds to quickly recall a Preset.
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. 1. Channel goes to Both Outputs: Pressing this button sets the selected channel to go to both speakers and both analog outputs. 2.
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. Presets contain trim levels, input selections, and channel assignments. To leave this screen without recalling a preset, press the Cancel button. 2.
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.
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. Also, the Trim mode and Dual mode buttons are dark, but not disabled. Note: When disabled, the Trim option on the Speaker and Analog Output Menu is disabled. 2.
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. By default the Analog Output setting is Fixed Line Level. Figure 4–7: Speaker and Analog Output Options Menu 1.
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. 2. Set Tone Flat: Selecting Flat gives the flattest acoustic response possible from the internal speakers. 3.
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. Mono Select: This control determines whether the Channel Pair Select buttons on the Main Screen can also select single channels, in addition to channel pairs. a.
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. Dolby Detect: Enabling Dolby Detect means an incoming digital stream is monitored for certain keywords called "Pa Headers.
Screen and Phase Options Menu The Screen and Phase Options Menu allows you to adjust the brightness of each screen independently, and to set the duration of inactivity before the screen saver activates. It also lets you enable or disable the operation of each of the eight phase indicators on the Main Screen. Figure 4-10: Screen and Phase Options Menu 1. Screen Bright: Press this control to toggle between the adjustment for the left screen and the right screen.
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. Six selections are available as shown in Table 4–1 below.
Table 4–2: Meter Timings Ballistics Fall Rise Level Change VU Time Not Specified IEC Type I 5 ms to reach -2 dB of settled reading -20 dB 1.7 sec. IEC Type II 10 ms to reach -2 dB of settled reading -24 dB 2.8 sec None Bar or Floating Segment Not Displayed 3. Bar: Pressing this button and then rotating the Trim knob steps through the available settings for the bar ballistics. Refer to Table 4–1. 4. Reference: Pressing this button and then rotating the Trim knob adjusts the reference.
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. 2.
Version and Ethernet Menu This menu displays software and hardware versions, as well as Ethernet settings. By default, the DHCP setting is enabled and the IP Address and IP Mask settings are shown as 000.000.000.000. This means it will automatically attempt to get the needed IP Address and IP Mask settings from the network. Figure 4–13: Versions and Ethernet Menu 1.
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. However, this setting will cause problems with some LANs.
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. Volume and Balance controls can optionally become Left Volume and Right Volume controls. 4. Quick push-button selection of any pairs to sum to monitor 5. Dual 3G/HD/SD-SDI inputs for audio monitoring 6.
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 Dimensions (H x W x D) 1.75” x 19” x 4.25” (44mm x 483mm x 107mm) Weight 5 lbs. (2.
Specification Values / Domains Power Output RMS 6 W RMS, 12 W peak (each side) Frequency Response 150 Hz to 16 kHz (± 5 dB) Analog Output Reference Level -20 dBFS = +4 ± 1.0 dBu Analog Output Frequency Level 40 Hz to 20 kHz (± 1dB) Analog Output Distortion <0.01% THD+N Analog Output Dynamic Range > 100 dB SDI Input Termination 75 unbalanced Hum and Noise Better than -68 dB below full output Electrical Distortion <0.
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.
APPENDIX A: Connecting the AMP1-16M 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. Refer to Appendix B for instructions regarding this method.
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. Otherwise, if you do not already have a member user ID and password then you must click Register as New User at the top right hand corner of the home page, and enter the requested data. Remember to log in after you have created your account. 3.
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.
Adding Your AMP1-16-M to Your Network Note: By default, the unit ships with DHCP addressing enabled. If you wish to use DHCP mode, you may skip this section if your unit appears in the Units Responding window. Otherwise, you may configure the IP information using the Version and Ethernet menu inside the unit, or follow the instructions below. Note: The unit name may only be assigned using an Ethernet connection. 1.
and return to the previous window. Note: A grayed Update button means the IP information is not correct. To change the IP settings, the unit must restart. The Windows application will automatically restart the unit, and display the unit with its new address after it has rebooted. This takes approximately 10 seconds. 6. Click Refresh. After the system polls the network, all the AMP1-16-Ms on the network will display in the Units Responding box. 7.
APPENDIX B: Using a Direct Connection Introduction A direct connection should only be used when a LAN (local area network) is not available. A direct connection to any unit can be difficult if you're not familiar with setting static IP addresses. Fortunately, this unit has a DHCP server embedded in it, which will make a direct connection much easier. All of these instructions may not be needed in your particular situation, but following them ensures success.
may take a few minutes for the DHCP negotiations to take place. You may press the Refresh button in the Wohler AMP1-16-M Manager program as often as you like until the unit appears. See Figure B-1 below. Figure B-1: AMP1-16-M Manager 10.Once the unit appears, select it and complete any desired operations as described elsewhere in this manual. If the unit fails to appear after a few minutes, double check your connections and the instructions above about disabling unused Ethernet ports. 11.
APPENDIX C: Upgrading the AMP1-16M using Ethernet Introduction This chapter describes how to download software upgrades to your PC and then transfer and install them to your AMP1-16-M. 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. There are two methods to update the software in the AMP1-16-M. 1. Use a USB flash drive. 2.
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. If directed by Wohler Technical Support to check the Update All radio button in the File Update Options box, please do so here. Otherwise, leave the Update as Needed box checked. 4. Click Check for Updates.
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 Figure C–4: FTP Success Dialog In any case, click OK. Note: The firmware stored on the computer is now up-to-date. However, even if no updates were needed to the computer files, the unit may still need to be updated.
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. This process may take several minutes after which the AMP1-16-M will restart. This concludes the AMP1-16-M Ethernet software update procedure.
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. USB software updates can be only performed if the unit has firmware version 4.00 or later. Units with earlier software versions must be update using the Ethernet port.
Figure D–2: Flash Drive Software Update Screen 5. If you wish, you may use the View Versions button to display the current versions in the unit against those on the flash drive, as shown in the next figure. Figure D–3: Software Update Versions Screen 6. From the Software Update Versions menu, press Return to Last Menu to return to the Flash Drive Software Update menu shown in Figure D-2. If the screen indicates that the software needs an update, you can select one of two update options: a.
After you have selected a software installation option, the system will display the Software Update screen shown in Figure D-4 below. Figure D–4: Software Update Screen Read the advice on the screen so that you will know what to expect during the installation process. Pressing the Start the Update button will start the installation process, which will automatically continue until its conclusion.
