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Summary of Contents for Wohler VM Series
- Page 1 VM Series • VMMDA-1 • VMDA-4 1U Analog/Digital Audio Monitors User Guide Part Number 821026, Revision D...
- Page 2 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.
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Page 3: Table Of Contents
VM Series User Guide Introduction Overview The single-rackspace VM Series monitors permit selectable monitoring of from one to four stereo analog or AES audio sources, with excellent full-range fidelity far exceeding that of an ordinary monitor. The VMDA-4 can monitor stereo analog or AES audio sources while the VMMDA-1 can monitor analog, AES, SD-SDI, or HD-SDI audio sources. -
Page 4: Safety Instructions
V M S e r ie s 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 or moisture. -
Page 5: Installation Recommendations
VM Series User Guide 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 Mounting The unit is designed to install into a standard 19" rack mounted at eye level for best visual observation of the monitor screens. -
Page 6: Fcc Compliance
V M S e r ie s U s e r G u i d e F C C C o m p l i a n c e Mechanical Bracing The chassis is securely attached to the front panel at eight points along its surface, not just at the four corners of the chassis ears. -
Page 7: Features
VM Series User Guide F e a t u r e s Features Common Features • Only one rack space high, but produces a powerful 96 dB SPL at two feet • Electronic power output limiting prevents speaker blowout •... -
Page 8: Applications
• Analog channel pairs may be summed Applications The VM Series of audio monitors are ideally suited to provide high quality analog/digital audio 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 9: Front Panel Controls
VM Series User Guide F r o n t P a n e l C o n t r o l s Table 1–1 VM Series Specifications Specification VMMDA-1 VMDA-4 2 Analog (Selected): "mini" 2 Analog (Selected): "mini" Outputs Phoenix... - Page 10 V M S e r ie s U s e r G u i d e F r o n t P a n e l C o n t r o l s • Audio Level Bar Graph Meter Displays: Audio levels for the selected source channels are displayed via two 10-segment LED bar graph meters (one on the left side of the front panel;...
- Page 11 VM Series User Guide F r o n t P a n e l C o n t r o l s VMDA-4-Specific Controls Figure 1–1 VMDA-4 Front Panel Level Meters Balance Phase Power Volume Channel Select Input Select and...
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Page 12: Rear Panel Connectors
V M S e r ie s 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 VMMDA-1-Specific Controls Figure 1–2 VMMDA-1 Front Panel Level Meters SDI Lock Balance... - Page 13 VM Series User Guide R e a r P a n e l C o n n e c t o r s • Analog Output Connector (Left and Right): This "mini" Phoenix style (Mini-Combicon) dual vertical, 6-position terminal block connector outputs an analog signal of the source currently selected for monitoring.
- Page 14 V M S e r ie s 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 this input accepts either standard SDI or HD-SDI (high-definition SDI) formatted digital signals.
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Page 15: Technical Functional Overview
T e c h n i c al F u n c ti o n al O v e r v ie w Technical Functional Overview Figure 1–5 below and Figure 1–6 on page 14 illustrate the overall functionality of the VM Series monitors. Figure 1–5 VMDA-4 Block Diagram Analog/ 10-Segment... - Page 16 VM Series User Guide 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 Figure 1–6 VMMDA-1 Block Diagram Headphone 10-Segment Level Meters...
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