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2-6
2
INSTALLATION AND CONNECTIONS
■
Advanced connections
D
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
(pgs. 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 V/UHF band use.
[RELAY], [ALC] (p. 2-8)
Used for connecting a
non-Icom linear amplifier.
External speaker (p. 15-4)
SP-20
(option)
[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].
POWER
TUNER
TIMER
VOX
SSB
CW
RTTY/PSK
VOX GAIN
MONI GAIN
COMP
DRIVE
BK-IN
MONITOR
TRANSMIT
MIC
ELEC-KEY
PHONES
AF
RF
MIC
RF PWR
KEY SPEED
DELAY
F-1
F-2
F-3
TX
RX
AGC VR
NR
NB
i7700
HF/50MHz TRANSCEIVER
AGC
SQL
NR
NB
MIC
Headphones
USB-Memory
The AFSK modulation signal can also
be input to [MIC].
Keyboard
Connects an USB type PC key-
board directly for RTTY/PSK31 op-
eration, as well as other text edit op-
erations.
D
D
Rear panel— 1