Icom IC-7200 Advanced Instructions page 21

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1
PANEL DESCRIPTION
Microphones (Continued)
■
• MICROPHONE CONNECTOR
(Transceiver view)
q Microphone input
w +8 V DC output
e Frequency up/down
i AF output
(varies with [AF])
u GND
(Microphone ground)
y GND (PTT ground)
t PTT
r Squelch switch
[MIC]
FUNCTION
PIN NO.
+8 V DC output
w
Frequency up
e
Frequency down
Squelch open
r
Squelch close
CAUTION: DO NOT short pin 2 to ground as this
can damage the internal 8 V regulator. DC voltage
is applied to pin 1 for microphone operation. Use
caution when using a non-Icom microphone.
1-18
DESCRIPTION
Max. 10 mA
Ground
Ground through 470 ˘
"LOW" level
"HIGH" level