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11(E)
!ª Switch S100 on the AU-251 board
Selects the signal output from the TEST OUT
connector.
• S100-1: Disables automatic switching between the
playback video signal and the return video signal.
ON: Outputs the playback video signal.
OFF: Outputs the return video signal when a CCU is
attached; outputs the playback video signal when a
VTR is attached. The factory setting is OFF.
• S100-2: Specifies output of the VBS signal from the
camera or the return/playback video signal.
ON: Outputs the VBS signal from the camera.
OFF: Outputs the return or playback video signal.
The factory setting is OFF.
• S100-3: Selects whether the control signal from the
RET CONT connector is received or not.
ON: Outputs the return video signal only for an L
return control signal.
OFF: Outputs the return video signal only when a
CCU is connected.
• S100-4: Selects either a VBS video signal output or
monitor signal output.
ON: Outputs the monitor signal.
OFF: Outputs the VBS signal.
The various combinations of switch S100 settings and
their corresponding video output signal are as follows:
S100-1 S100-2 S100-3 S100-4 RET
CONT
Video output
signal
OFF OFF ———Return video
(when a CCU is
connected)
Playback video
(when a VTR is
connected)
ON OFF ———Playback video
— ON OFF OFF — VBS video
— ON ON OFF — Monitor video
OFF ON OFF ON L Return video
(when a CCU is
connected)
L Playback video
(when a VTR is
connected)
H VBS video
OFF ON ON ON L Return video
(when a CCU is
connected)
L Playback video
(when a VTR is
connected)
H Monitor video
CN1
S600
S700
S800
RV100
RV220
S100
S200
S351
4 3 21
A
B
C
D
E
F
Switch on the AU-251 board
!¢ Switch S800
!∞ Switch S600
!§ Switch S351
!¶ Switch S700
!• Switch S200
!ª Switch S100