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17
3
CONVENTIONAL OPERATION
3
16
3
CONVENTIONAL OPERATION
■ Scrambler function
The optional voice scrambler units UT-109 (#01) and UT-110 (#01)
provide high performance private communication between stations
with the same scrambler codes.
➥ Push and hold [Scrambler] to turn the scrambler function ON.
➥ Push [Scrambler] to turn the scrambler function OFF.
■ Setting the squelch level
The squelch circuit mutes the received audio signal depending on
the signal strength.
q While pushing [PTT] and [Lower],
rotate [VOL] to turn the power ON
to enter the squelch level adjust-
ment mode.
w Push [Upper] to increase the
squelch level (tight squelch) or
[Lower] to decrease the squelch
level (loose squelch).
e Rotate [VOL] to turn the power
OFF to fix the squelch level.
[VOL]
[Upper]
[Lower]
[PTT]
■ Man Down Emergency Call
The man down emergency call function transmits an emergency
call automatically, after the transceiver laying down in a horizontal
position for a pre-set time period. (The optional UT-113
MAN DOWN
UNIT
is required.)
After the emergency call, the transceiver performs transmission and
reception alternately with the following conditions:
- Transmits the microphone signals.
- Receives the signal and emits audio.
When the emergency cancel code is received, the function is can-
celled.
IMPORTANT!: Set an emergency channel individually, to provide
certain emergency call operation is recommended.
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