Wohler VAMP AC-3/M User Manual
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Wohler VAMP AC-3/M User Manual

2ru, dolby digital, audio/video monitor with level meters
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CONFIDENCE IS EVERYTHING.™
World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions
VAMP AC-3/M
2RU, Dolby Digital, Audio/Video Monitor
with Level Meters
User Guide
Part Number 821673, Revision B
the video division of

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Summary of Contents for Wohler VAMP AC-3/M

  • Page 1 CONFIDENCE IS EVERYTHING.™ World Leader of In-Rack, Audio, Video, Data Monitoring, and Closed Captioning Solutions VAMP AC-3/M 2RU, Dolby Digital, Audio/Video Monitor with Level Meters User Guide Part Number 821673, Revision B the video division of...

  • Page 2: Customer Support

    Wohler Technologies, Inc. reserves the right to change or improve our products at any time and without notice. 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

    VAMP AC-3/M User Guide Introduction Overview The VAMP AC-3/M monitor is a complete, exceptionally high quality stereo video/audio monitoring solution available in a compact 2RU rack space with numerous input and output features that makes it ideal for facility-wide monitoring of analog/digital audio and video signals.

  • Page 4: Safety Instructions

    V A M P A C -3 / M U s e r G u i d e S a f e t y I n s tr u c ti o n s Safety Instructions Read, keep, and follow all of these instructions; heed all warnings. Do not use this equipment near water.

  • Page 5: Installation Recommendations

    I n s ta l la t i o n R e c o m me n d a t io n s Installation Recommendations Unpacking Unpack the VAMP AC-3/M monitor from the shipping container and inspect all components for shipping damage. If you find any damage, notify the shipping carrier for claims adjustments.

  • Page 6: Description

    V A M P A C -3 / M U s e r G u i d e D e s c r ip t i o n Cable Connections Wohler recommends Beldon 8281 or Belden 1694A cables for analog video signals and Beldon 9451 cables for analog audio signals. Power Each unit comes with a standard 24VDC/3.0A internal power supply...

  • Page 7: Applications

    AC-3 and AES input signal presence and power indication. A headphone output mutes the speakers when connected. Applications The VAMP AC-3/M is ideally suited to provide high quality multichannel and/or digital audio and video monitoring in a very compact form. Ideal for use in VTR bays, mobile production vehicles, teleconferencing installations, multimedia systems, satellite links, cable TV facilities, and on-air radio studios.

  • Page 8: Specifications

    Digital signal status indication by LEDs Physical and Electrical • Low power consumption • Highest fidelity in minimum 2RU rack space. Specifications The VAMP AC-3/M meets the specifications listed in Table 1–1 below through Table 1–5 on page Table 1–1 Audio Specifications...
  • Page 9 VAMP AC-3/M User Guide S p e ci f i c a t i o n s Table 1–1 Audio Specifications (Continued) Specification VAMP AC-3/M Level Meters 53-segment high-resolution tri-color (red/yellow/green) LED bar graphs Level Meter Scale 0 dB to -66 dB...
  • Page 10 V A M P A C -3 / M U s e r G u i d e S p e c if i c a ti o n s Table 1–2 Video Specifications (Continued) Specification VAMP AC-3/M 4.3" (109.2 mm) Transmissive High- Screen Type/Size (Diagonal) resolution LCD, active matrix TFT Display Image Controls...
  • Page 11 VAMP AC-3/M User Guide S p e ci f i c a t i o n s Table 1–4 SDI Display Video Raster Format Parameters Scan Format Frame Active Format Lines Active Lines Samples Standards Rate Samples SDTV, 54 RP 174...

  • Page 12: Front Panel Features

    Level Meter Specifications (Continued) Specification Values Segment Size 0.158” x 0.04” (4 mm x 1 mm) Segment Pitch 0.039” (.99 mm) Front Panel Features Figure 1–1 VAMP AC-3/M Front Panel Subgroup Select Bar Graph Brightness Balance AES/SDI Select Power Phase Volume AC-3...
  • Page 13 VAMP AC-3/M User Guide F r o n t P a n e l F e a t u r e s • SDI Source Select (Toggle Switch): This switch is used to select the HD/SD-SDI input source, IN 1 or IN2. Note that the SDI re-clocked output will output only the selected SDI source and the SDI lock LED indicates lock status of only the selected SDI source.
  • Page 14 Note: Newer VAMP AC-3/M units do not include the Pro-16 switch. © 2 00 9 Wo h le r Te ch n ol og ie s , I n c . A l l r i g h t s r e s e rve d .

  • Page 15: Rear Panel Connectors

    VAMP AC-3/M User Guide R e a r P a n e l C o n n e c t o r s Rear Panel Connectors Figure 1–2 VAMP AC-3/M Rear Panel RS-232 Module Communications Select Unbalanced Option B RS-232...
  • Page 16 V A M P A C -3 / M U s e r G u i d e R e a r P a n e l C o n n e ct o r s Figure 1–3 Three-Pin XLR Pin-Outs Audio Loop-Through Output (Male) Audio Input (Female) •...
  • Page 17 VAMP AC-3/M User Guide R e a r P a n e l C o n n e c t o r s • Source 2 - HD/SD-SDI I/O Connectors (BNC): The In 1 In 2 BNC connectors accept either standard SD-SDI audio signals (270Mb/s) or high-definition HD-SDI (1.5 Gb/s).

  • Page 18: Technical Functional Overview

    V A M P A C -3 / M U s e r G u i d e T e c h n i c a l F u n c t i o n a l O v e r v i e w •...
  • Page 19 VAMP AC-3/M User Guide T e c h n i c al F u n c ti o n al O v e r v ie w Figure 1–4 VAMP AC-3/M Block Diagram 53-Segment High-Resolution Loop Out Level Meters Phase Indicator...

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