Connection And Maintenance; I Rear Panel Connection - Icom IC-F1821D Instruction Manual

4

CONNECTION AND MAINTENANCE

I Rear panel connection

Antenna
q
y DC POWER RECEPTACLE
Connects to a 12 V DC battery. Pay atten-
tion to polarities. NEVER connect to a 24 V
battery. This could damage the transceiver.
Red
12V
Battery
26
q ANTENNA CONNECTOR
Connects to an antenna.
Contact your dealer about
antenna selection and
placement.
w
Black
R CAUTION! NEVER remove
t h e f u s e - h o l d e r f r o m t h e D C
power cable.
w Reserved for a
future function.
e EXTERNAL
SPEAKER JACK
Connect a 4–8 Ω
external speaker.
e
y
t
NOTE: Use the terminals as shown
below for the cable connections.
Crimp
Supplied speaker SP-22
(IC-F1821/D or IC-F2821/D only.
IC-F1721/D and IC-F2721/D has
a built-in speaker.)
r
r MICROPHONE HANGER
Connect the supplied mi-
crophone hanger to the
vehicle's ground for mi-
crophone
functions. (See p. 2)
t OPTIONAL CABLE
(OPC-617)
Solder
Connect an external mo-
dem unit, dimmer control,
etc.
on/off hook