
10
3
INSTALLATION AND CONNECTIONS
■
Power supply connections
Use an optional PS-85
DC POWER SUPPLY
w
hen operat-
ing the IC-78 with AC power. Refer to the diagrams
below.
CAUTION:
Before connecting the DC power cable,
check the following important items. Make sure:
• The [PWR] switch is OFF.
• Output voltage of the power source is 12–15 V
when you use a non-Icom power supply.
• DC power cable polarity is correct.
Red
: positive
+
terminal
Black
: negative
_
terminal
CONNECTING A VEHICLE BATTERY
12 V
battery
Supplied
DC power cable
+
red
_
black
Crimp
Solder
Grommet
NEVER connect
to
a 24 V battery.
NOTE: Use terminals for
the cable connections.
CONNECTING NON-ICOM DC POWER SUPPLY
DC power
socket
DC power supply AC outlet
AC cable
20 A fuses
Supplied
DC power cable
13.8 V 20 A
_
+
black
red
+
_
CONNECTING PS-85 DC POWER SUPPLY
PS-85
Connect to an AC outlet
using the supplied AC cable.
DC power cable
DC power
socket