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PC Interface Unit
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A/V Monitoring Switcher (MMS-AV802L) A/V Monitoring Switcher (MMS-AV804L)
A/V Monitoring Switcher (MMS-AV804H)
      A/V Monitoring Switcher (MMS-AV802L)
1. Description
This switcher enables 8 audio/video signals to be selected and sent to 2 independent display devices for routing and monitoring in A/V conference hall, broadcasting station, cable TV production etc
It could be two separate selectors as there are 2 outputs (out1, out2).
A specific selector is available for each output.
Two separate outputs provide Matrix function by sending signals to each device simultaneously..
It can be changed a specific signals by selecting the output number and pressing the input select button. As operate the buttons from front panel, both input/output signal lights will be turned on.
A rear panel RS-232C control port provides connection of PC to an easy control system.

2. Panel Drawing

3. Specification
¢¹Audio Part

 Input  47K ohm Unbalanced stereo 8 EA
 Connector  RCA Type
 Input level  +13dBm Max
 Output 1  600 ohm Unbalanced stereo 2 EA
 Output 2  600 ohm Unbalanced stereo 2 EA
 Output level  +13dBm Max
 S/N ratio  Less than 80dB
 Crosstalk  Less than 80dB
 Frequency response  ¡¾0.1dB (20Hz ~ 20kHz)

¢¹Video Part

 Input  8ch 1Vp-p 75 ohm, Composite Video
 Output 1  1 Vp-p 75 ohm RCA Type, 2 EA
 Output 2  1 Vp-p 75 ohm RCA Type, 2 EA
 S/N Ratio  Less than 65dB
 Crosstalk  Less than 55dB
 Frequency response  ¡¾0.3dB (to 10MHz)
 Differential gain  0.5% at 3.58 & 5MHz
 Differential phase  0.5¡Æat 3.58 & 5MHz

¢¹Control Part

 PC Control  RS-232C, 9P DIN JACK

¢¹Case & Power Part

 Power Requirements  110/220V 60Hz ¡¾10%, Less than 6 Watt
 Dimensions  482(W) * 44(H) * 250(D) mm