D Microphone Connector - Icom IC-7000 Instruction Manual

D Microphone connector

MICROPHONE CONNECTOR INFORMATION
Rear panel view
8 7 6 5 4 3 2
HM-151
q +8 V DC output
w Frequency up/down
e M8V SW
r PTT
t GND (Microphone ground)
y Microphone input
u GND
i DATA IN
HM-103
q +8 V DC output
w Frequency up/down
e M8V SW
r PTT
t GND (Microphone ground)
y Microphone input
u GND
i Squelch switch
1
• When HM-151 is connected
PIN NO.
1
2
3
8
• When HM-103 is connected
PIN NO.
1
2
3
8
CAUTION:
DO NOT short pin 1 to ground as
this can damage the internal 8 V regulator.
FUNCTION
+8 V DC output
Frequency up
Frequency down
HM-151 connection
HM-151 data
FUNCTION
+8 V DC output
Frequency up
Frequency down
HM-151 connection
Squelch open
Squelch closed
PANEL DESCRIPTION
DESCRIPTION
Max. 10 mA
Ground
Ground through 470
Goes to ground to connect
Control signal input
DESCRIPTION
Max. 10 mA
Ground
Ground through 470
Open to pin 8 as SQL
"LOW" level
"HIGH" level
1
1
10