14-2
■
Remote jack (CI-V) information
D
CI-V connection example
The transceiver can be connected through an optional
CT-17
ci
-
v
level
converter
to a PC equipped with an
RS-232C port. The Icom Communications Interface-V
(CI-V) controls the transceiver.
Up to 4 Icom CI-V transceivers or receivers can be
connected to a PC equipped with an RS-232C port.
See pages 12-17 and 12-18 for setting the CI-V con
-
dition using set mode.
D
Data format
The CI-V system can be operated using the follow
-
ing data formats. Data formats differ according to
command numbers. A data area or sub command is
added for some commands.
Controller to IC-7700
FE FE
74
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
74
FB
FD
FE FE E0
74
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-7700 to controller
q
w
e
r
t
y
u
FE FE
E0
74
Cn
Sc
Data area
FD
q
w
e
r
t
y
u
PC
ct- 17
IC-7700
9–15 V DC
mini-plug cable
14
CONTROL COMMAND
