
12
4. Part Names and Functions
Microphone
Mic. Connector Diagram (While looking in the front view of the con-
nector)
1
7
2
6
3
4
5
8
PTT
MIC
MIC GND
NC
DC 5V
DOWN
GND
UP
DR-135T DR-135E
No.
Key Function
1UP
Increase the frequency, memory channel number, or setting value.
2 DOWN
Decrease the frequency, memory channel number, or setting value.
3 PTT Press the PTT(Push-To-Talk)key to transmit.
4 DTMF DTMF tone keys
5
DTMF ON/OFF
Switches DTMF mic key illumination ON/OFF
6 Lock Switch Locks out the UP and DOWN keys.
7MIC Speak here during transmission.
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