13
57
CONTROL COMMAND
• CI-V connection example
The transceiver can be connected through an optional
CT-17
CI-V LEVEL CONVERTER
to a personal computer
equipped with an RS-232C port. The Icom Communi-
cations Interface-V (CI-V) controls the following func-
tions of the transceiver.
Up to 4 Icom CI-V transceivers or receivers can be
connected to a personal computer equipped with an
RS-232C port. See p. 32 for setting the CI-V condition
using set mode.
• Data format
The CI-V system can be operated using the following
data formats. Data formats differ according to com-
mand numbers. A data area or sub command is added
for some commands.
CONTROLLER TO IC-718
FE
FE
FE 5E E0 Cn Sc
Data area
FD
Preamble code (fixed)
Transceiver
’s default address
Controller
’s default address
Command number
(see table at right)
Sub command number
(see table at right)
BCD code data for frequency or
memory number entry
End of message code (fixed)
OK MESSAGE TO CONTROLLER
FE FE E0 5E FB FD
Preamble code (fixed)
Controller
’s default address
Transceiver
’s default address
OK code (fixed)
End of message code (fixed)
NG MESSAGE TO CONTROLLER
FE FE E0 5E FA FD
Preamble code (fixed)
Controller
’s default address
Transceiver
’s default address
NG code (fixed)
End of message code (fixed)
IC-718 TO CONTROLLER
FE E0 5E Cn Sc
Data area
FD
Preamble code (fixed)
Controller
’s default address
Transceiver
’s default address
Command number
(see table at right)
Sub command number
(see table at right)
BCD code data for frequency or
memory number entry
End of message code (fixed)
q
w
e
r
t
y
u
q
w
e
r
t
y
u
■
Remote jack (CI-V) information
9–15
V DC
personal
computer
ct- 17
BC-25
(optional)
mini-plug cable
IC-718
▲
▲
