Interface Defini�on
Defini�on of microphone interface
Wiring diagram of COMM plug
Wiring diagram of earphone plug
MDATA
GND
MIC
MICE
PTT
MSVSW
NC
+8V
MIC
TXD
RXD
GND
signal
signal
GND
Wiring of CW keys
NOTE:
PTT
AF_OUT
AF_IN
NC
BAND
ALC
8V DC
GND
Rear ACC socket
Left and right connections carry
monaural audio
Di
Da
Common
Di
Da
Common
If the connector of the CW
key is a 6.5mm 2-wire plug,
please change it to a
3-connector 3.5mm stereo
plug according to the wiring
method shown in the figure
above.
Be careful when using 2-core
to 3-core adapters because
incorrect wiring may put the
radio into CW transmission
mode all the �me.
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