98
14
CONTROL COMMAND
2001 NEW
DD
Split/Duplex frequency setting
The following data sequence is used when sending/reading
the split or duplex frequency setting.
DD
Repeater tone/tone squelch frequency setting
The following data sequence is used when sending/reading
the DTCS code and polarity setting.
DD
DTCS code and polarity setting
The following data sequence is used when sending/reading
the DTCS code and polarity setting.
Fixed digit: 0
1st digit: 0–7
2nd digit: 0–7
3rd digit: 0–7
Transmit polarity:
0= Normal
1= Reverse
Receive polarity:
0= Normal
1= Reverse
q
XX0XX
we
X
100Hz digit: 0–2
10 Hz digit: 0–9
1 Hz digit: 0–9
0.1 Hz digit: 0–9
Fixed digit: 0*
Fixed digit: 0*
q*
00XXX
we
X
*Not necessary when setting a frequency.
1 kHz digit: 0—9
100 Hz digit: 0 (fixed)
100 kHz digit: 0—9
10 kHz digit: 0—9
10 MHz digit: 0 (fixed)
1 MHz digit: 0—4
Direction:
00=+ direction
01=— direction
q
0XXXXXX
we
0
r*
*No need to enter for duplex frequency setting.
IC-7400.qxd 02.4.2 11:36 Page 98