Emergency Mode; Outline; Emergency Mode System Chart - Kenwood TK-768 Service Manual

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TK-768/H
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INSTALIÁTION
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3. Emergency Mode
3-1. Outline
The transceiver can be modified to have the emer-
gency mode and installed in the car. lf the driver (such
as a taxi driver) encounters a robber, he can transmit an
emergency signal to a base station automatically by
treading on the foot switch installed on the floor of the
car.
The emergency mode can be activated when the
power switch is turned off by changing the power
switch function to the LCD display ONiOFF switch
function.
An external speaker may be sounded or lights may
be flashed in emergency to warn robbers by modifying
the option KAP-I to the Horn/Light drive relay output
circuit and installing it in the transceiver.
. Emergency mode system chart
r1: The emeÍgency channel is the highest channel in which the re-
ceive frequency is stored. The channel indicator does not
change, but a dot lights to indicate that the transceiver has en-
tered the emergency mode.
*2: The transceiver sends the preset DTMF code (SOS) Íirst, and
then transmits the situation in the car, which is picked up with
the microphone. The transmission indicator does not light dur-
ing transmission.
*3: lf the base station acknowledges the emergency, the dot lights.
14: Hold the foot switch again for about one second.
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D
D
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D
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(Hold it down for about one second,)
TX 25 sec. e+ RX 5 sec.
Emergency ACK code receive
I key + Foot SW 1 push
[D/A] key 1 push
*2,
*3.
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