9
Troubleshooting Guide
9.1
Operation Check of the Door Station
Is the image displayed?
9.2.7
Defect of Key
bord
unit
9.2.7
Defect of Key
bord
unit
NO
NO
Call from the Door Station.
START
Advance preparation:
Connect the Door Station to nondefective
Main Monitor Station.
YES
Does the ringtone
sound from the Main Monitor Station?
NO
A
Is it possible to respond from
the main monitor station?
Is it possible to respond from
the main monitor station?
YES
NO
B
C
D
YES
YES
Is the conversation
available after the response from
the Main Monitor Station?
Is the conversation
available after the response from
the Main Monitor Station?
NO
B
YES
YES
NO
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Summary of Contents for VL-SV74BX
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Page 37: ... 37 ...
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Page 49: ...10 2 4 1 Note for Microphone Assembly for anti feedback 49 ...
Page 71: ...13 2 2 MIC Board MIC MIC C700 1000pF L700 L701 MIC1 1 2 VL V524 Mic Board 71 ...
Page 83: ...15 1 3 4 VL MB524BX VL MB524SX VL MB524VN Optional Unit P401 P403 P402 83 ...
Page 99: ...SA ...