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TK-7100
11
REALIGNMENT / INSTALLATION
7. Ignition Sense Cable (KCT-18)
The KCT-18 is an optional cable for enabling the ignition
function. The ignition function lets you turn the power to the
transceiver on and off with the car ignition key.
7-2. Connecting the KCT-18 to the Transceiver
1. Install the KCT-39 in the transceiver. (See the KCT-39 sec-
tion)
2. Insert the KCT-18 lead terminal (
1
) into pin 2 of the KCT-
39 (
2
).
7-3. Modifying the Transceiver
Modify the transceiver as follows to turn the power on and
off with the ignition key.
1. Remove the resistor R71 of the TX-RX unit.
■ Setting With the KPG-80D
Select “External Devices” from the “Edit” menu and en-
able the “Ignition Sense”.
Fig. 4
2
1
13
15
1
3
R71
CN2
TX-RX unit
Component side
Fig. 5
1. Optional Board
1-1. Voice Scrambler Board Connection
■ Modification
1. Remove the cabinet and shielding cover from the trans-
ceiver.
2. Delete R202 and R267 on the TX-RX unit.
A
9
8
7
D
C
B
A
A12
1
3
7
8
9
10
11
12
1
12
BA11
CA10
DA9
E
1
2
3
4
5B5
6B7
7A8
8A7
9A3
10B11
11B9
12B4
E18
Voice scrambler
board
12 pins lead wire
with connector (A)
E37-1081-05
CN2
12
6
5
11
10
1
4
5
7
9
11
1
11
11 pins lead wire
with connector (B)
E37-1080-05
CN3
R267
CN3
R202
TX-RX UNIT
Component side
■ Connection
The functions of pins of CN2 and CN3 on the TX-RX unit
are shown in the TERMINAL FUNCTION section (page 50).
Fig. 1
Fig. 2