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3-1. Audio System
2. Setting the headset microphone
Set the MIC switch on the front panel according to the type
of headset microphone to be connected to the INTERCOM
connector on the front.
When using a carbon microphone : CARBON
When using a dynamic microphone : DYNAMIC
When no microphone is connected : OFF (factory setting)
GREEN TALLY
RED TALLY
CABLE
MIC
ALARM
SHORT OPEN
MAIN
CAMERA
POWER
POWER
INTERCOM
. Adjusting the side tone amount
Use the SIDE TONE volume on the AT-122 board panel
and adjust the side tone amount of the headset to be
connected to the INTERCOM connector on the front to
fit your needs.
. Adjusting the TALK level
Use volume RV704 on the AT-122 board and adjust the
TALK level of the headset to fit your needs.
. Adjusting the RECEIVE level
Use volume RV703 on the AT-122 board and adjust the
RECEIVE level of the headset to fit your needs.
INTERCOM/TALLY/PGM
connector on the rear
9
X
@=
Program line 2
Y
!/
G
4
X
!'
Program line 1
Y
5
G
System intercom
@/
X
8
Talk
Y
7
G
Producer line
5
X
Receive
!.
4W/RTS/Clear-Com
Y
!\
X
3
Y
Talk
2
G
Engineer line
1
X
Receive
!]
Y
4W/RTS/Clear-Com
1. Select the input 4W/RTS/
Clear-Com
3-2 (E)
MIC Switch
MAIN
CAMERA
DYNAMIC
OFF
CARBON
S202
0dB/–20dB
4. Select the
S201
PGM input level
0dB/–20dB
S401,403
PRIV(Front panel)
S402,404
PRIV(Front panel)
PROD/PRIV/ENG switch
on front panel
3. Setting for the
INTERCOM connector
on the front
3. Setting the input level of the PGM audio signal
Set switches S201 (PGM1 SEL) and S202 (PGM2 SEL) on
the AT-122 board to 0 dBu or _20 dBu according to each
level of audio 1 and 2 of the system.
Factory setting : 0 dBu
. Adjusting the mix amount of the PGM audio signal
Use the PGM MIX volume on the AT-122 board panel
and adjust the mix amount of the PGM audio signal of
the headset connected to the INTERCOM connector on
the front to fit your needs.
4. Selecting an intercom line to be connected to
the INTERCOM connector
Use the switch on the AT-122 board panel to select the
intercom line to be connected to the INTERCOM connec-
tor on the front as follows.
. When connecting to the producer line :
Set the INCOM SELECT switch to PROD.
. When connecting to the engineer line :
Set the INCOM SELECT switch to ENG.
. When connecting only a camera :
Set the INCOM SELECT switch to PRIV. When this
position is set, the intercom from outside is cut and the
system consists of the intercom and camera.
n
When switch S701 (INPUT SELECT) on the AT-122
board is set to 1 ch, the INCOM SELECT switch on the
AT-122 board panel of the camera and the unit is fixed to
the producer line regardless of the setting.
5. Setting the AT-122 board switch
The flow of the switch setting of the AT-122 board and the
intercom signals is as follows.
PGM 1/PGM 2
Switched by the setup menu.
ENG/PROD (Camera side)
2CH/1CH (S701)
ENG/PROD (Camera side)
2CH/1CH (S701)
ENG/PROD (Front panel)
2CH/1CH (S701)
To the INTERCOM connector on the front
PGM 2
PGM 1
INCOM 1
INCOM 1
RV503
4. Set the mix amount of
PGM audio signal
CCU-900/900P IMM
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