Icom IC-7800 Instruction Manual page 3

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2
INSTALLATION AND CONNECTIONS
D D Rear panel— 2
External Display
EXT-DISPLAY
Ethernet connector (p. 16-6)
Connects a PC
via a LAN for the
CPU
update.
[S/P DEAF IN/OUT]
Connects a PC-style
monitor display (at least
800×600 resolution).
Video output signal can
be turned ON and OFF
in set mode (p. 12-12)
ANT 1
ANT 2
S/P DID
KEY BOARD
RS-232C
REMOTE
OUT
firmware
Connects a PC for
audio signal data
input/output.
48 kHz, 16-bit
Stereo output
(L=Main band;
R=Sub band)
Keyboard
Connects an USB type
PC keyboard directly for
RTTY/PSK31 operation,
as well as other text edit
operations.
ANT 3
ANT 4
REF I/O
DC OUT
10MHz
15V
EXT
IN
-10dBm
MAX1A
METER
KEYPAD
KEY
RELAY
[METER]
Connects an external meter, etc.
MAIN band meter
SUB band meter
1⁄8≤
3.5 (d) mm;
plug
External keypad
Connects an external keypad for direct voice memory
and memory keyer controls.
1⁄8≤
3.5 (d) mm;
plug
Mute switch: Mutes both transmission and
reception when switched ON during trans-
ceive operation, etc.
2-6
[DC OUT]
Outputs regulated 14 V
(approx.) DC for external
equipment power supply.
(max. 1 A capacity)
OUT
IN
X-VERTER
OUT
RX ANT
RX ANT
B
A
I
AC
GND
B
A
ALC
ALC
ADJ
ACC 2
ACC 1
ACC 2
ACC 1
EXTERNAL KEYPAD
1.5 kΩ
1.5 kΩ
2.2 kΩ
4.7 kΩ
±5%
±5%
±5%
±5%
S1
S2
S3
S4
(T1/M1)
(T2/M2)
(T3/M3)
(T4/M4)
IN
EXT-SP
SUB
MAIN

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