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