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Acquisition: DI<CR>
DM Calculation function mode (spectrum)
Setup: DMn<CR>
Acquisition: DM<CR>
(Note: This command also resets the operation.)
DS Serial port speed
Setup: DSn<CR>
Acquisition: DS<CR>
DT Main Dial automatic return
Setup: DTnn<CR>
Acquisition: DT<CR>
DV Video decode frequency shift
Setup: DVn<CR>
Acquisition: DV<CR>
EF End frequency
Setup: EFmm.nn<CR>
Acquisition: EF<CR>
(Note: Depending on the center frequency and the spectrum frequency span, some
values cannot apply.)
EX Remote off
Setup: EX<CR>
FD High-speed data download
Acquisition: FD<CR>
The level data of each frequency on the screen can be obtained with the following format.
(one frequency data = 1 byte)
FD<SP><CR><LF><SP><SP><SP>(level data)<SP><SP><SP><CR><LF>
The level data is displayed by the following formula.
The reference level is -100dB (0x20).
(Example) -80dB
The data will be converted to ASCII code.
Therefore, the level data is 320.
(Note: When the level data indicates other than 320, the SR2000A is in the channel scope
mode. The level data depends on start, step, and end frequencies.)
n = 2 (marker)
n = 3 (squelch)
n = 4 (volume)
Default : 0
Response value : DIn
n = 0 (none)
n = 1 (average)
n = 2 (maximum)
n = 3 (median)
Default : 0
Response value : DMn
n = 0 (115200bps)
n = 1 (57600bps)
n = 2 (38400bps)
n = 3 (19200bps)
n = 4 (9600bps)
Default : 0
Response value : DSn
nn = 1 ~ 30 Default : 10
Response value : DTnn (fixed length)
n = 0 (normal)
n = 1 (reversed) Default : 0
Response value : DVn
m.n = 25.08 ~ 3005 (MHz)
n for 100Hz designated value
Response value : EFmmmm.nnnn (MHz) ( fixed length)
Command valid only for setup
0x20+20=0x34 (while 20=0x14)
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