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Dual Listen Level
This control is related to the dual listen switches. It
controls the level of the audio mix. For more infor-
mation on the dual listen switches, refer to the
“Base Station Set-Up” section.
Figure 40
Dual Listen Level Control
Intercom Level
I/C IN
Adjusts the level of the Intercom system’s audio
into the base station. The Intercom “IN” control
should be adjusted so the intercom LED flashes red
on loudest speech over the intercom system.
I/C OUT
Adjusts the level of the base station’s audio out to
the intercom system. The intercom “OUT” control
should be adjusted so that its audio on the intercom
system is equal in level to the other intercom de-
vices on the intercom system. A way to adjust this
level is to have someone talk into the base station
with a local headset while someone else listens to
the audio over the intercom system via another in-
tercom device.
Auxiliary Level
These controls should be placed fully coun-
ter-clockwise unless the Aux Jack is being used.
Noise can be added to the system if these controls
are turned up without a connection to the Aux. Jack.
Aux IN
Adjusts the level of the auxiliary input audio to the
base station. The auxiliary “IN” control should be
adjusted so that the LED flashes red on loudest
speech. The Aux. switch controls whether the base
station’s auxiliary input audio is ”ON" or “OFF”.
Aux OUT
Adjusts the level of the base station’s audio out to
the auxiliary connector. The auxiliary “OUT” con-
trol should be adjusted so that its audio is equal to
other devices on the auxiliary system. The base sta-
tion’s audio is always supplied to the auxiliary jack
regardless of the auxiliary switch position.
Figure 41
Intercom Level Controls, AuxiliaryLevel
Controls, and Sidetone Level Controls
Sidetone Level
Local Sidetone
This control adjusts the voice feedback to the ear-
phone of a headset plugged into the base station.
Beltpack Sidetone
The beltpack control adjusts the voice feedback to
the earphone of the beltpack’s headset.
NOTE: “Mirror Image” beltpacks have the ability
to communicate beltpack to beltpack direct. The
belpack sidetone on this version is controlled by a
level control on the beltpack, see Figure 51. If a
base station is used with one of these special
beltpacks, then its beltpack sidetone control would
have no effect on the beltpack.
-22-
PUSH
ANT.
TRANSMIT
AUDIO
OUT
TRANSMIT
CHANNEL
A
B
I/C 1
TELEX
RTS
I
/C
O
F
F
XMIT
MODE
REMOTE
CONT.
CH2 + 1
CH1 + 2
O
N
DUAL
LISTEN
LEVEL
LOCAL
BELT PACK
SIDETONE
AUX
OUT
IN
IN
OUT
I/C
AUDIO
CHANNEL
AUTO
1
2
I/C
TELEX
IN
OUT
AUX
OFF
ON
AUXILIARY
LEVEL
CONTROLS
AUXILIARY LEVEL
LED
AUXILIARY
ON/OFF
INTERCOM
LED
INTERCOM
LEVEL
CONTROL