![background image](http://html.mh-extra.com/html/icom/ic-7700/ic-7700_instruction-manual_612325032.webp)
2-6
2
INSTALLATION AND CONNECTIONS
■
Advanced connections
D
Front panel
ALC
ADJ
ALC
RELAY
CW KEY
EXT
KEYPAD
METER
DC OUT
15V
MAX1A
REF I/O
10MHz
-10dBm
IN
OUT
REMOTE
RS-232C
EXT-DISPLAY
RX ANT
IN
OUT
S/P DIF
1
2
ACC
EXT-SP
ANT 1
ANT 2
ANT 3
ANT 4
GND
AC
15A
I
X-VERTER
RX ANT IN/OUT
Connects an external
preamp or lowpass filter.
RX ANT IN/OUT must be
activated in the antenna
set screen (p.10-5).
ACC sockets
(pp. 2-9, 2-11)
Antenna 1, 2, 3, 4
(p. 2-8)
Connects a linear amplifier,
antenna selector, etc.
[X-VERTER]
Connects a transverter
for VHF, UHF or other
band use.
[RELAY], [ALC]
(p. 2-8)
Used for connecting a
non-Icom linear amplifier.
External speaker
(p. 15-4)
[REMOTE], [RS-232C]
(p. 14-2)
Used for computer control and transceive operation.
The optional CT-17 is required when connecting a
PC to [REMOTE].
SP-34
(option)
POWER
TUNER
TIMER
VOX
SSB
CW
RTTY/PSK
AM/FM
DATA
AUTO
TUNE
LOCK
TS
XFC
M.SCOPE
EXIT/SET
REC
PLAY
VOICE MEMORY
BRIGHT
CONTRAST
VOX GAIN
MONI GAIN
COMP
DRIVE
ANTI VOX
BK-IN
MONITOR
TRANSMIT
MIC
ELEC-KEY
PHONES
AF
RF
MIC
RF PWR
DIGI-SEL
NOTCH
RIT/
¶
TX
CW PITCH
TWIN-PBT
KEY SPEED
DELAY
F-1
F-2
F-3
F-4
F-5
F-6
F-7
LOCK
TX
RX
SPLIT
AGC VR
NR
FILTER
PBT-CLR
DIGI-SEL
APF/TPF
NOTCH
RIT
CLEAR
SPEECH
1
1.8
2
3.5
3
7
4
10
5
14
6
18
7
21
8
24
MP-W
MP-R
MW
V/M
A/B
A=B
9
28
GENE
0
50
ENT
F-INP
¶
TX
NB
SPLIT
i7700
HF/50MHz TRANSCEIVER
AGC
SQL
NR
NB
MIC
Headphones
USB-Memory
Mouse
The AFSK modulation signal can be
input (p. 2-9), or an external keypad
can also be connected to [MIC] (p. 2-7).
Keyboard
Connects an USB type PC keyboard
directly for RTTY/PSK31 operation,
as well as other text edit operations.
D
Rear panel— 1