Internal Boards and Switch Settings
12
When a one ear headset is used, set the S11-3 and S11-4
switches to ON.
H
S13/S14 switches
These switches select the audio to be mixed with the
program audio output to the INCOM 2 connector.
When a one ear headset is used, set the S13-1 and S13-2
switches to ON.
I
S101 switch
Selects the item to be mixed with the battery alarm signal.
J
S201 switches
Sets the talk level through the TRACKER connector.
–
20: Decreases the level by 20 dB.
0
: Standard level.
Normally, set this switch to 0.
K
S251/S252 switches
These switches select the audio to be output to the
EARPHONE jack.
L
S253 switches
These switches select the audio to be output to the
TRACKER connector.
d
DM-139 board
A
S301 switch
Selects the direction of the prompter signal flow. The
signal flow direction must also be changed on the CCU.
RX
: The video signal from the CCU is output from the
PROMPTER connector (factory-setting).
REM
: Available in near future.
TX
: The video signal input to the PROMPTER connector
is output to the CCU. Note that the CCU-550D/550DP
does not support this function.
B
S302 switch
Selects the signal to be output from the PROMPTER
connector.
PROMPT
: Prompter video signal is output (factory-
setting).
RET
: Return video signal is output.
e
MB-1019 board
S11-4
Program audio 2
OFF
S12
Tracker audio
OFF
Switch
Audio to be mixed
Normal setting
S13-1
Audio from INCOM 1
OFF
S13-2
Audio from INCOM 2
OFF
S13-3
Program audio 1
ON
S13-4
Program audio 2
ON
S14
Tracker audio
OFF
Switch
Item to be mixed
Normal setting
S101-1
Battery alarm signal
ON
S101-2
TEMP
OFF
S101-3
FAN STOP
OFF
Switch
Audio to be output
S251-1
Audio from INCOM 1
S251-2
Audio from INCOM 2
S251-3
Program audio 1
S251-4
Program audio 2
S252
Not used.
Switch
Audio to be output
S253-1
Audio from INCOM 1
S253-2
Audio from INCOM 2
S253-3
Program audio 1
Switch
Audio to be mixed
Normal setting
S253-4
Program audio 2
Switch
Audio to be output
S1
S2
B
S302 switch
A
S301 switch
S301
S302
B
S2 switch
A
S1 switch
