Filter
Top Products
2-6
2
INSTALLATION AND CONNECTIONS
■ Advanced connections
DD
Front panel
ALC
ADJ
ALCRELAY
CW KEY
EXT
KEYPAD
METER
DC OUT
15V
MAX1A
REF I/O
10MHz
-
10dBm
INOUT
REMOTE
RS
-
232C
EXT
-
DISPLAY
RX ANT
INOUT
S/P DIF
12
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 GAINMONI GAINCOMPDRIVE
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.
DD
Rear panel— 1