Icom IC-7800 - Required connections

2-4
■ Required connections
D Front panel
Microphones (pp. 2-9, 2-10)
CW key
A straight or bug key can be used when the
internal electronic keyer is turned OFF in
keyer set mode. (p. 4-12)
Optional
HM-36
Optional
SM-50
Optional
SM-30
D Rear panel
MAINSUB
ACC 1
ACC 2
ACC 1
ACC 2
ALC
ADJ
ALC
RELAY
KEY
EXT
KEYPAD
METER
DC OUT
15V
MAX1A
REF I/O
10MHz
-
10dBm
INOUT
REMOTE
RS
-
232C
KEY BOARD
EXT
-
DISPLAY
A
B
S/P DIF
EXT
-
SP
ANT 1 ANT 2
ANT 3
ANT 4
GND
AC
I
X
-
VERTER
A
IN
RX ANT
B
RX ANT
OUT
INOUT
Straight key
A jumper cable is
connected.
Antenna 1, 2, 3, 4 (p. 2-3)
Ground
(p. 2-3)
Use the heaviest gauge
wire or strap available and
make the connection as
short as possible.
Grounding prevents electri-
cal shocks, TVI and other
problems.
AC outlet
R WARNING!
Use the supplied
AC power cable
only.
NOTE: Attach the sup-
plied antenna connec-
tor cap when no anten-
na or external equip-
ment is connected.
[Example]: ANT1 for 1.8–18 MHz bands, ANT 2 for 21–28 bands
ANT3 for 50 MHz band, ANT 4 for receive antenna.
2
INSTALLATION AND CONNECTIONS