• Command table
Command
Sub command
00
—
Send frequency data
Same as
Send mode data
01
command 06
02
—
Read band edge frequencies
03
—
Read operating frequency
04
—
Read operating mode
05
—
Set frequency data
00
Set LSB
01
Set USB
02
Set AM
03
Set CW
06
04
Set RTTY
05
Set FM
07
Set CW-R
08
Set RTTY-R
—
Select VFO mode
B0
Exchange main and sub readouts
B1
Equalize main and sub readouts
07
C0
Turn the dualwatch OFF
C1
Turn the dualwatch ON
D0
Select main readout
D1
Select sub readout
—
Select memory mode
1
08
0001 – 0101*
Select memory channel
*
09
—
Memory write
0A
—
Memory to VFO
0B
—
Memory clear
00
Scan stop
01
Programmed/memory scan start
02
Programmed scan start
03
∂F scan start
12
Fine programmed scan start
Fine ∂F scan start
13
22
Memory scan start
23
Select memory scan start
0E
Set ∂F scan span
A1 – A7
(5 kHz, A2= 10 kHz, A3= 20
kHz, A4= 50 kHz, A5= 100 kHz,
A6= 500 kHz, A7= 1 MHz)
B0
Set as non-select channel
B1
Set as select channel
D0
Set scan resume OFF
D3
Set scan resume ON
00
Turn the split function OFF
0F
01
Turn the split function ON
00
10 Hz (1 Hz) tuning step
01
100 Hz tuning step
02
1 kHz tuning step
03
5 kHz tuning step
10
04
9 kHz tuning step
05
10 kHz tuning step
06
12.5 kHz tuning step
07
20 kHz tuning step
08
25 kHz tuning step
00
Attenuator OFF
06
Attenuator ON (6 dB)
11
12
Attenuator ON (12 dB)
18
Attenuator ON (18 dB)
00
Select [ANT1]
01
Select [ANT2]
12
(Add 0 or 1 to turn [RX ANT] OFF
or ON, respectively.)
00
Announce with voice synthesizer
13
01
(00=all data; 01=frequency and
02
S-meter level; 02=receive mode)
Description
1
P1=0100, P2=0101
CONTROL COMMAND
Command
Sub command
01 + level data
[AF] level setting (0=max. CCW
to 255=max. CW)
02 + level data
[RF] level setting (0=max. CCW
to 255=11 o'clock)
03 + level data
[SQL] level setting (0=11 o'clock
to 255=max. CW)
06 + level data
[NR] level setting (0=min. to
255=max.)
07 + level data
Inside [TWIN PBT] setting or
IF shift setting (0=max. CCW,
128=center, 255=max. CW)
08 + level data
Outside [TWIN PBT] setting
(0=max. CCW, 128=center,
255=max. CW)
14
09 + level data
[CW PITCH] setting (0=low pitch
to 255=high pitch)
0A + level data
[RF POWER] setting (0=min. to
255=max.)
0B + level data
[MIC GAIN] setting (0=min. to
255=max.)
0C + level data
[KEY SPEED] setting (0=slow to
255=fast)
0D + level data
[NOTCH] setting (0=low freq. to
255=high freq.)
0E + level data
[COMP] setting (0=min. to
255=max.)
0F + level data
[BK-IN DELAY] setting (0=short
delay to 255=long delay)
10 + level data
[BAL] setting (0=max. CCW,
128=center, 255=max. CW)
01
Read squelch condition
15
02
Read S-meter level
02
Set preamp (0=OFF; 1=preamp 1;
2=preamp 2)
12
Set AGC time constant (1=FAST;
2=MID; 3=SLOW)
22
Set noise blanker (0=OFF; 1=ON)
40
Set noise reduction
(0=OFF; 1=ON)
41
Set auto notch (0=OFF; 1=ON)
42
Set repeater tone (0=OFF; 1=ON)
16
43
Set tone squelch (0=OFF; 1=ON)
44
Set speech compressor
(0=OFF; 1=ON)
45
Set monitor (0=OFF; 1=ON)
46
Set VOX function (0=OFF; 1=ON)
47
Set break-in (0=OFF; 1=ON)
48
Set manual notch (0=OFF; 1=ON)
49
Set RTTY filter notch
(0=OFF; 1=ON)
19
00
Read the transceiver ID
00
Send/read memory contents
01
Send/read band stacking register
1A
contents
02
Send/read CW keyer contents
00
Set repeater tone frequency
1B
01
Set tone squelch tone frequency
00
Set the transceiver to receive or
1C
transmit condition (0=Rx; 1=Tx)
13
Description
79
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Questions and answers
Why can’t Icom make more voice synthesizers for Icom 756 Pro 2 Would love to buy one