AOR AR-ALPHA, Operating Manual

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DTMF (Function available in the VFO mode or memory mode)
DT DTn (n: 0, 1)
n = 0 DTMF off
n = 1 DTMF on
To read: DT <CR>
Response: DTn
EC EF EN EX
Reference frequency input
EC ECn (n: 0, 1)
n = 0 Internal
n = 1 External
To read: EC<CR>
Response: ECn
End (stop) frequency input (in the channel scope mode)
EF EFn Set end (stop) frequency
To read: EF<CR>
Response: EFn
De-emphasis time constant (available in the WFM1, WFM2, FMST, and FM mode)
EN ENn (n: 0, 1) IFBW must be set more than 30 kHz
n = 0 50 uS
n = 1 75 uS
To read: EN<CR>
Response: ENn
Cancel remote operation
EX EX
FE FF FP
Spectrum frequency step (in the channel scope mode)
FE FEn Specify the spectrum frequency step
To read: FE<CR>
Response: FEn