VM 28
User Manual: VM-28
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,74:5 (3XQ^^U\FYTU_1eTY_CdQ^TRiF= "( The KRAMER VM-28 is an 8 Channel Video-Audio Standby unit, each channel having two video and audio-stereo (or balanced Mono) inputs and one video and audio-stereo (or balanced Mono) output. When a proper video signal exists on the input marked INPUT 1; it is transferred, with the appropriate audio channels, to the output. When the video signal drops for any reason, the VM-28 automatically routes the second video-audio source to the output and at the same time activates a relay (alarm) and lights a LED on the front panel. When the video signal on INPUT 1 reappears, the unit switches back to it automatically. When power is off, INPUT 1 is routed to the output. The machine can be forced to output the INPUT 2 signal by using a short to ground, allowing each channel to be remote controlled with a pair of wires. 6RPHIHDWXUHVDQGDSSOLFDWLRQV %URDGFDVWDSSOLFDWLRQVWRHOLPLQDWHGHDGDLUWLPH 6HFXULW\DSSOLFDWLRQVIRUDXWRPDWLFVZLWFKLQJRIFRQWUROFDPHUDV ACTIVATED STANDBY CHANNEL 1 Audio CH 1 IN 1 IN 2 CH 2 OUT IN 1 Video IN 2 OUT IN 1 CH 4 Video IN 2 IN 2 Video IN 2 OUT Video IN 2 IN 2 Video IN 2 OUT IN 2 IN 2 6 7 8 IN 2 OUT Made by KRAMER ELECTRONICS LTD. ISRAEL Audio IN 1 IN 2 OUT RG L RG L RG L MCC Audio IN 1 5 OUT CH 6 IN 1 CH 8 OUT RG L RG L RG L MCC IN 1 Video OUT OUT 4 Audio IN 1 RG L RG L RG L MCC Audio IN 1 IN 2 3 RG L RG L RG L MCC Audio IN 1 IN 1 CH 7 CH 3 OUT IN 1 CH 5 OUT RG L RG L RG L MCC IN 1 IN 2 OUT Audio IN 1 Audio IN 1 RG L RG L RG L MCC RG L RG L RG L MCC 2 Video IN 2 OUT Caution! Electric Shock Hazard! Servicing by Authorized Personnel Only! OUT RG L RG L RG L MCCGG IN 1 Video IN 2 230 VAC, 50Hz OUT FUSE 7HFKQLFDO6SHFLILFDWLRQV 8 x 2 Composite Video, 1Vpp/75 Ω nom. on BNCs. 8 x 2 Audio-Stereo (or Balanced Mono) on terminal blocks. 8 x 1 remote control pin (for short to ground). 8 x 1 Composite Video, 1 Vpp/75 Ω on a BNC connector. OUTPUTS: 8 x 1 Audio-Stereo (or Balanced Mono) on terminal blocks. 8 x relay contacts. VIDEO BANDWIDTH: Up to 500 MHz. AUDIO BANDWIDTH: Up to 100 kHz. 73 dB. S/N RATIO: DETECTION SYSTEM: ODD/EVEN fields. Up to 3 frames. SWITCH DELAY: 19 inch, 2 U rack mountable. DIMENSIONS: 230 VAC, 50/60 Hz (115 VAC U.S.A.) POWER: INPUTS: 67
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