Icom IC-7000 - Manual (Page 19)

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 Ÿ
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 Ÿ
8
Squelch open “LOW” level
Squelch closed “HIGH” level
DMicrophone connector