n Front panel connection
P0P1P2P3P4
SM-25 DESKTOP
MICROPHONE
(optional)
MICROPHONE CONNECTOR (Front panel view)
HM-152 HAND
MICROPHONE
(optional)
qi
CAUTION: DO NOT short pin 1 to ground as this can
damage the internal 8 V regulator. DC voltage is applied
to pin 1 for microphone operation. Only Icom micro-
phones are recommended.
q +8 V DC output (Max. 10 mA)
w Output port for PC programming
e NC
r M PTT (Input port for TX control)
t Microphone ground
y Microphone input
u Ground
i Input port for PC programming
n Rear panel connection

ACC CONNECTOR (p. 3)

Used for external equipment control.

[RX ANT] (p. 4)

[TX ANT] (p. 4)

SP-22 EXTERNAL SPEAKER

R CAUTION! NEVER remove
the fuse-holder from the DC
power receptacle.
Connect a 4 ˘ external speaker.
Black
Red
20 A
fuses
DC power supply
AC outlet
AC cable
Supplied
DC power cable
13.2 V; at least 20 A
Black
_
Red
+
q Push
w
R When you disconnect the
DC power cable, take care
no crack of your fingernail.
5
2INSTALLATION AND CONNECTIONS