Related Manuals for Wohler AMP1-2SDA
Summary of Contents for Wohler AMP1-2SDA
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Page 1: User Guide
AMP1-2SDA 1RU, 2-Channel, 3G/HD/SD-SDI / AES / Analog Audio Monitor User Guide Software Release: V1.xx Part Number 821817, Revision A... - 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.
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Page 3: Table Of Contents
TABLE OF CONTENTS Contents User Guide ..................1 TABLE OF CONTENTS ................3 Contents ....................... 3 CHAPTER 1: Quick Start ............... 5 Introduction ....................5 Overview .................... 5 Safety ......................5 Instructions ..................5 Safety Symbols ..................6 Mounting ..................... 6 Heat Dissipation ................... - Page 4 Introduction ....................22 Upgrading the Firmware Using a USB Flash Drive ..........22 Possible Firmware Update Problems ..............23 Page 4...
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Page 5: Chapter 1: Quick Start
It also has two 26-segment level meters for audio level metering. You can visually and audibly monitor any selected audio pair. There is also a 4-digit, 14- segment display for setup and status display. The AMP1-2SDA is small, low-cost, reliable and simple to operate. -
Page 6: Safety Symbols
under all of the following conditions: 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: Sympathetic Vibration
Sympathetic Vibration Sympathetic vibration from other equipment (cables, etc.,) in the rack may be serious enough to interfere with the sound quality of the unit. 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. -
Page 8: Compliance
When the mains plug or appliance coupler is used as the disconnect device, the disconnect device should remain operable. Compliance This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. -
Page 9: Rear Panel
7. Source Selector: This knob allows you to select the input source: analog, AES, or SDI. To set up the various options in the AMP1-2SDA, press this knob for at least 3 seconds. Chapter 3 describes reviewing and changing options. - Page 10 Figure 1-3: Balanced Analog Input XLR-F Pin Out Pin 1 Pin 2 High (+) (Shield) Pin 3 Low (-) 3. Optional Additional 8 Balanced Analog Inputs: Each of these two DB-25-F connectors accept four left and right balanced analog line level input signals. Refer to Figure 1-4 for the wiring connection of each connector.
- Page 11 6. Gain & AES Termination Switches: These switches perform the following functions: a. Operate / Calibrate (Switch 1) is set to Operate (up) by default. This switch is not implemented and is reserved for possible future use. b. Analog to Digital Reference Level (Switches 2 & 3) allow you to adjust the analog level that will correspond to a metered value.
- Page 12 Figure 1-6: Balanced Analog Output XLR-M Pin Out Pin 1 Pin 2 High (+) (Shield) Pin 3 Low (-) Page 12...
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Page 13: Chapter 2: Operation
Main Screen When the AMP1-2SDA is powered, it will first test the Status Display by lighting all of the segments, as shown in Figure 2-1, for one second: Fig 2–1: Display Test... - Page 14 Note: Anytime the AMP1-2SDA is repowered after having been off, the Source/Pair will default to . The selected Source/Pair is SDI.1 not remembered while power is off.
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Page 15: Chapter 3: Option Settings
CHAPTER 3: Option Settings Introduction This chapter explains the uses for the various option settings provided in the product, as well as how to adjust them. Option Menu Overview You can launch the Option Menu system by pressing and holding the Source control for at least three seconds. -
Page 16: Option Settings
Option Settings The various option settings are discussed in detail in this section. After holding the Source control for at least 3 seconds and entering the Option Menu system, rotating the Source control will allow you to review the settings. Each setting is displayed by alternating the name of the setting with the value of the setting. - Page 17 Option settings are saved in a permanent memory. This happens automatically 15 seconds after the last option was changed. For this reason, to prevent loss of option setting changes, please do not power down the AMP1-2SDA immediately after changing any options. Page 17...
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Page 18: Chapter 4: Features & Specifications
CHAPTER 4: Features & Specifications Introduction This chapter lists the features and specifications of the AMP1-2SDA. Features 1. High fidelity Class D amplifiers with Wohler quality sound 2. Quick selection of 3G/HD/SD-SDI, AES, and analog channel pairs to monitor through built-in speakers, headhones and analog outputs 3. -
Page 19: Compliance
Compliance All components comply with UL, CE, and RoHS specifications. The AMP1-2SDA meets FCC Part 15 compliance. Specifications Table 4-1: Specifications Specification Values / Domains Power Requirements 100 VAC to 240 VAC ± 10%, 50/60Hz Power Consumption 60 Watts 1.75” x 19” x 4.25”... -
Page 20: Sdi Audio Formats
Electrical Distortion < 0.05% at any level below limit threshold SDI Audio Formats All of the SDI audio formats listed in Table 4–2 below are available for monitoring in the AMP1-2SDA. Table 4-2: SDI Audio Formats Standard Format Rate 29.97; 25 720p 23.98;... -
Page 21: Technical Functional Overview
Technical Functional Overview Figure 4-1 illustrates the overall functionality of the AMP1-2SDA monitor. Figure 4–1: AMP1-2SDA Block Diagram Note: Stereo phase indication measurement occurs in the signal chain before it is routed to the speakers. Page 21... -
Page 22: Appendix A: Firmware Updates
When a new version becomes available, software updates may be obtained in .zip file format from the Wohler Website. Download this zip file, unzip it, and place the "Wohler" folder on a standard USB flash drive. Insert the flash drive into the unit, and follow the instructions below. -
Page 23: Possible Firmware Update Problems
Return to Step 1 in the previous section and re-insert the Flash Drive to try again. 4. No message is displayed, but after the update process the unit will not operate at all: Unplug the AMP1-2SDA from power. Insert the Flash Drive. Reconnect the AMP1-2SDA to power. The display will show USB DET WAIT for a 10 seconds or so and then the software update will resume.