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16
110
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 transceivers can be
connected to a personal computer equipped with an
RS-232C port. See p. 104 for setting the CI-V condi-
tion 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-756PROIII
FE FE
6E
E0
Cn
Sc
Data area
FD
Preamble
code
(fixed)
Transceiver’s
default address
Controller’s
default address
Command number
(see the command table)
Sub command number
(see command table)
BCD code data for
frequency or memory
number entry
End of message
code
(fixed)
OK message to controller
FE FE
E0
6E
FB
FD
FE FE
E0
6E
FA
FD
Preamble
code
(fixed)
Controller’s
default address
Transceiver’s
default address
OK code
(fixed)
End of message
code
(fixed)
NG message to controller
NG code
(fixed)
IC-756PROIII to controller
q
w
e
r
t
y
u
FE FE
E0
6E
Cn
Sc
Data area
FD
q
w
e
r
t
y
u
■
Remote jack (CI-V) information
9–15 V
DC
personal
computer
ct- 17
IC-756PROIII
mini-plug cable
15
16