Icom IC-7000 Instruction Manual - Page 19

Microphone connector

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D Microphone connector MICROPHONE CONNECTOR INFORMATION 1 PANEL DESCRIPTION Rear panel view 87654321 CAUTION: DO NOT short pin 1 to ground as this can damage the internal 8 V regulator. 1 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 • When HM-151 is connected PIN NO. FUNCTION 1 +8 V DC output Frequency up 2 Frequency down 3 HM-151 connection 8 HM-151 data DESCRIPTION Max. 10 mA Ground Ground through 470 Ω Grounded to indicate HM-151 is connected. Control signal input 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 • When HM-103 is connected PIN NO. FUNCTION 1 +8 V DC output Frequency up 2 Frequency down 3 HM-151 connection Squelch open 8 Squelch closed DESCRIPTION Max. 10 mA Ground Ground through 470 Ω Open "LOW" level "HIGH" level CAUTION: NEVER connect or use the supplied HM-151 (microphone) with any other transceiver. This could cause damage to the transceiver. The HM-151 is designed for use with the IC-7000 ONLY. 10

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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
Ω
HM-151 connection
Grounded to indicate
HM-151 is connected.
3
HM-151 connection
Open
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
Ω
8
Squelch open
“LOW” level
Squelch closed
“HIGH” level
D
Microphone connector
CAUTION: NEVER
connect or use the supplied HM-151
(microphone) with any other transceiver. This could cause
damage to the transceiver. The HM-151 is designed for use
with the IC-7000
ONLY
.