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10
1
PANEL DESCRIPTION
1
MICROPHONE CONNECTOR INFORMATION
r
PTT
y
Microphone input
w
Frequency up/down
u
GND
q
+8 V DC output
i
DATA IN
t
GND (Microphone ground)
e
M8V SW
r
PTT
y
Microphone input
w
Frequency up/down
u
GND
q
+8 V DC output
i
Squelch switch
t
GND (Microphone ground)
e
M8V SW
Rear panel view
1
2
3
4
5
6
7
8
HM-151
HM-103
CAUTION:
DO NOT
short pin 1 to ground as
this can damage the internal 8 V regulator.
PIN NO.
FUNCTION
DESCRIPTION
1
• When HM-151 is connected
• When HM-103 is connected
3
8
+8 V DC output
Max. 10 mA
2
Frequency up
Ground
Frequency down
Ground through 470
HM-151 connection
Goes to ground to connect
3
HM-151 connection
Open to pin 8 as SQL
HM-151 data
Control signal input
PIN NO.
FUNCTION
DESCRIPTION
1
+8 V DC output
Max. 10 mA
2
Frequency up
Ground
Frequency down
Ground through 470
8
Squelch open
“LOW” level
Squelch closed
“HIGH” level
D
Microphone connector
Summary of Contents for IC-7000
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