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Personal Computer Control Operation
Introduction
The PCC (Personal Computer control) System in the
FT·8500 provides control of frequency, VFO, mem-
ory. and other settings using an external personal
computer. This allows multiple control operations to
be fully automated as single mouse click or key-
stroke operations on the computer keyboard.
You will need the optional FIF-232C Interface Box for
PCC operation. This device connects b.etween the
transceiver
DATA
jack and computer, and converts
the digital signal levels for proper data transfer.
When the command instruction activating PCC op-
eration is sent from the computer via the FIF-232C,
" PC C Ot
~:
appears in the display.
FIF-232C
You will need to construct a cable to connect the
transceiver to the FIF-232C (see the diagram on the
next page). You will also need a serial cable for
connection to the RS-232C (serial or COM port)
connector on your computer. Purchase a standard
serial cable (not the so-called "null modem" type),
ensuring it has the correct gender and number of
pins (some serial COM port connectors use a 9-pin
rather than 25-pin configuration).
Yaesu Musen does not produce PCC System oper-
ating software due to the wide variety of personal
computers and operating systems now in use. How-
ever, the information provided in this chapter ex-
plains the serial data structure and opcodes used by
the PCC system. This is intended to help you start
writing programs on your own. As you become more
familiar with
pec
operation, you can customize pro-
grams later on for your operating needs.
There are commercially produced software pack-
ages available, and various shareware and freeware
programs. To find out more information, contact your
dealer or check advertisements in current amateur
radio journals and publications. Other valuable infor-
mation sources include amateur radio and PC users-
groups, packet radio and PC bulletin boards (88S),
and amateur radio swap-meets (hamfests).
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