Icom IC-7700 - Manual (Page 35)

2-9
2
INSTALLATION AND CONNECTIONS
■
Transverter jack information
When 2 to 13.8 V is applied to pin 6 of [ACC 2], the [X-
VERTER] connector is activated for transverter oper-
ation and the antenna connectors do not receive or
transmit any signals.
While receiving, [X-VERTER] connector can be acti-
vated as an input terminal from an external transverter.
While transmitting, the [X-VERTER] connector outputs
signals of the displayed frequency at –20 dBm (22 mV)
as signals for the external transverter.
■
FSK and AFSK (SSTV) connections
To connect a TNC or scan converter, etc., refer to the
diagram below.
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of
the application for details.
D AFSK operation
• When connecting to [ACC 1]
• When connecting to [MIC]
• When using a PC application
• When using a TNC
PC
RS-232C
TNC or scan converter
PTT
Audio output
AF input
GND
AFSK output
AF input
GND
PTT*
SQL input †
*When using the VOX function, no need to connect. Refer to the instruction
manual of the external equipment (TNC, etc.).
† When connecting the squelch line, consult the necessary manual (TNC, etc.).
q
w
e
r
t
y
u
i
1
2
3
4 5
6 7
8
z
z
x
x
c
c
v
v *
z
x
c
v
z
x
c
v
b
b
n †
n †
b
n †
Rear panel view
Rear panel view
PC
RS-232C
TNC or scan converter
Connect to serial port, parallel
port, speaker jack, microphone
jack and line IN/OUT jack, etc.
See the instruction manual of the
application for details.
D FSK operation— when connecting to [ACC 1]
• When using a PC application
• When using a TNC
1
2
3
4 5
6 7
8
Rear panel view
Rear panel view
RTTY
GND
AF
SEND
RTTY
GND
AF
SEND
RTTY OUTPUT
GND
AUDIO INPUT
PTT
RTTY OUTPUT
GND
AUDIO INPUT
PTT
1
2
3
4 5
6 7
8
Transverter connector