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TK-760G/762G
INSTALLATION
2. Accessory Terminal (TX-RX Unit)
2-1. External Connector Accessory Terminal Method
No. Name I/O Description Note
CN1 1 8C O DC 8V output
2 5S O DC 5V output
3 AUX5 O SMRD : Reset output *1
4 AUX6 O
5SC : 5S control (Cannot use)
*1
5 NC – Non-connection
6 AUX3 O SQ : Squelch detect output *2
7 AUX1 I PTT : External PTT input *2
8 AUX4 TXD
TXD : Serial control data output
*1
9 AUX2 RXD
RXD : Serial control data input
*1
I DTC : Data channel control/
External hook input
I CHDATA : Channel control
serial data input
10 ALT I Alert tone input
11 AFO O Receiver audio signal output
12 AFI I Receiver audio signal input
13 MII I Transmit audio signal input
14 MIO O Transmit audio signal output
15 GND – Ground
CN3 1 HOR O Horn alert/call output
2 E – Ground
3 SB O Switched B+, DC 13.6V
output, Maximum 1A
CN4 1 DEO O Receiver detector output
Level : 0.5Vrms
(Standard modulation)
2 DTC I Data channel control/
External hook input
3 IGN I Ignition sense input
4 DI I Data modulation input
5 ME – External microphone ground
6 MI I External microphone input
7 PTT I
External PTT input, active low
8 SQ O Squelch detect output
CN5 1 AM I
Speaker mute input, active high
2 MM I MIC mute input, active high
3 EMG/TXS I EMG : Foot switch input, *3
active low
CN7 1 PA/LI O Relay for PA function KAP-1
control
O
PA/LI ON : High, PA/LI OFF : Low
2 SPO O Audio signal output to KAP-1
3 SPI I
Audio signal input from KAP-1
CN8 1 SP O Audio signal output to
internal/external speaker
2 E – Ground
*1 : SmarTrunk OMNI mode
*2 : MDT mode
*3 : Emergency mode
3. Ignition Sense Cable (KCT-18 : Option)
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.
If you use the Horn Alert function or the Manual Relay
function, you can turn the function off while driving with the
ignition key.
3-1. Connecting the KCT-18 to the Transceiver
1. Install the KCT-19 in the transceiver. (See the KCT-19
section.)
2. Insert the KCT-18 lead terminal ( ) into pin 3 of the
square plug ( ) supplied with the KCT-19, then insert
the square plug into the KCT-19 connector ( ).
2
1
3
1
3
6
13
15
KCT-18
KCT-19
Contact
1
2
3
Fig. 3