Installation And Connections ......... 7; Fsk And Afsk (Sstv) Connections; Connecting To A Pc - Icom IC-R75 Instruction Manual

3
INSTALLATION AND CONNECTIONS

FSK and AFSK (SSTV) connections

To connect a terminal unit, TNC or scan converter,
refer to the diagram below.
q Connect a terminal unit as below.
w Select RTTY mode (or USB, CW modes for HF
band data communications).
e Set the receiver to the desired frequency as at
right.
r Set the connected terminal unit to the appropriate
settings.
• Refer to the terminal unit's instructions.
The optional 250 Hz CW narrow filters may not
pass RTTY signals. Be sure to select the appropri-
ate IF filters corresponding to the signal width.
(pgs. 18, 19)
to [REC to [REC]
REMOTE]
2-conductor 3.5(d) plugs

Connecting to a PC

The RS-R75 remote control software is available to
perform data setting and remote control of the re-
ceiver.
Refer to the diagram below for connection.
10
AF IN
SQUELCH IN
Supplied RS-232C cable (OPC-743)
Personal computer
Frequency settings depend on the mode used.
FM mode:
[Setting frequency (displayed freq.)] = [Desired
freq.]
USB mode:
[Setting frequency (displayed freq.)] = [Desired
freq.] – [Center of Mark and Space freq.]
CW narrow mode:
[Setting frequency (displayed freq.)] = [Desired
freq.] – [Center of Mark and Space freq.] + [600 Hz]
LSB mode (for amateur RTTY):
[Setting frequency (displayed freq.)] = [Desired
freq.] + [Mark freq.]
TU or TNC
Personal computer
D System requirements
To use this program, the following hardware and soft-
ware are required:
• IBM PC compatible computer
• An RS-232C serial port
® ®
• Microsoft Windows 95 or Microsoft
• Intel i486DX4 processor or faster (Pentium
MHz or faster recommended)
• At least 16 MB RAM
• At least 10 MB of hard disk space
• At least 640 480 pixel, high color (16 bit) display
IC-R75
® ®
Windows 98
®
100