Microphone Connector; 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
R NEVER
connect or use the supplied HM-151 (micro-
phone) with other transceiver. This could cause damage to
the transceiver. The HM-151 is designed for use with the IC-
7000 ONLY.
1
• When HM-151 is connected
PIN NO.
• When HM-103 is connected
PIN NO.
CAUTION:
DO NOT short pin 1 to ground as
this can damage the internal 8 V regulator.
FUNCTION
1 +8 V DC output
Frequency up
2
Frequency down
3 HM-151 connection
8 HM-151 data
FUNCTION
1 +8 V DC output
Frequency up
2
Frequency down
3 HM-151 connection
Squelch open
8
Squelch closed
PANEL DESCRIPTION
DESCRIPTION
Max. 10 mA
Ground
Ground through 470 Ω
Grounded to indicate HM-
151 is connected.
Control signal input
DESCRIPTION
Max. 10 mA
Ground
Ground through 470 Ω
Open
"LOW" level
"HIGH" level
1
1
10