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CONTROL COMMANDS
10
35
The IC-R8500 can be connected to a PC via the PC’s
RS-232C port. This allows you to control the receiver
from the PC and/or transfer data from the receiver to
the PC.
Operation Cn Sc Remark
Reading freq. edges
Reading operating freq.
Reading operating mode
02
03
04
—
—
—
Reading M-ch contents package
Reading bank name
1A
1A
01
03
add bn+mc*
add bn*
Reading squelch condition
Reading S-meter level
Reading model ID
15
19
01
02
00
05 add fd*
Set operating
mode
06
0001
0101
0202
0201
0203
0301
0302
0501
0502
0601
Memory channel selection
Bank selection
Memory write
08
08
09
—
A0
—
mc*
bn*
Set M-ch contents & write package
Set bank name
Memory clear
1A
1A
0B
00
02
—
add dt*
add bn+nd*
Stop scan
0E
00
Programmed scan start
Auto memory write scan start
02
04
note 1
note 1
Memory scan start
Select memory scan start
Mode select scan start
22
23
24
note 2
note 2
note 2
Priority scan 42
SEL-CH release
SEL-CH tag
B0
B1
VSC deactivation
VSC activation
C0
C1
Scan resume selection “
∞
”
Scan resume selection “OFF”
Scan resume selection “DLY”
D0
D1
D3
LSB
USB
AM
AM narrow
AM wide
CW
CW narrow
FM
FM narrow
WFM
Operation Cn Sc Remark
Tuning step 10
00
01
02
03
04
05
06
07
08
09
10
11
12
13
11
00
10
20
30
13 00
01
03
04
05
add gd*
add gd*
add gd*
add gd*
Memory clear 16
10
11
20
21
30
31
Power OFF (activating sleep)
Power ON (from sleep active)
18
00
01
1 MHz
programmable
OFF
10 dB
20 dB
30 dB
frequency
10 Hz
50 Hz
100 Hz
1 kHz
2.5 kHz
5 kHz
9 kHz
10 kHz
12.5 kHz
20 kHz
25 kHz
100 kHz
Voice
synthesizer
Attenuator
AF gain setting
Squelch level setting
IF shift setting
APF control setting
14
AGC OFF
AGC ON
APF OFF
APF ON
NB OFF
NB ON
Note 1: Only scan group 0 is usable.
Note 2: Use these commands after sending a bank or mode
command.
Set frequency
■ Command table
FE FE 4A E0 Cn Sc Data area (e.g. fd) FD
Preamble code (fixed)
PC’s address
IC-R8500’s address
(selectable in set mode)
Command number
(see table)
Sub command number
(see table)
BCD code area
(‘REMARK’ in table)
End of message code
FE FE E0 4A Cn Sc Data area (e.g. fd) FD
Preamble code (fixed)
PC’s address
IC-R8500’s address
(selectable in set mode)
Command number
Sub command number
BCD code area
End of message code
■ Data format
•Basic format from PC to IC-R8500 •Answer from IC-R8500 to PC