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Chapter 1 267
GPIB Command Dictionary
MEASure subsystem
:DEC:NAMP:DTMF:LOW:FREQuency:ABSolute <meas cmnd>
:DEC:NAMP:DTMF:LOW:FREQuency:ABSolute?
These commands set/query the frequency of the low tone in the DTMF
pair. The MEAS:DEC:NAMP:DTMF:LOW:DISP ‘Freq’ command must
be used to display the absolute frequency of the low tone.
Syntax
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ABS
!See “Multiple Real Number Setting Syntax” on page 282
MEAS:DEC:NAMAP:DTMF:LOW:FREQ:ABS? !returns up to 19 real
values
Screen/field equivalent
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ABS? reads the Lo Tone
column on the SIGNALING DECODER screen when the Mode field is
set to NAMP-NTAC, the Measure field is set to DTMF, and the upper
subfield of the Lo Tone field is set to Freq, and the Channel field is set
to Voice.
:DEC:NAMP:DTMF:LOW:FREQuency:ERRor <meas cmnd>
:DEC:NAMP:DTMF:LOW:FREQuency:ERRor?
These commands set/query the frequency error of the low tone in the
DTMF pair. The MEAS:DEC:NAMP:DTMF:LOW:DISP ‘Frq Err’
command must be used to display the frequency error of the low tone.
Syntax
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ERR
!See “Multiple Real Number Setting Syntax” on page 282
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ERR? !returns up to 19 real
values
Screen/field equivalent
MEAS:DEC:NAMP:DTMF:LOW:FREQ:ERR? reads the Lo Tone
column on the SIGNALING DECODER screen when Mode field is set to
NAMP-NTAC, the Measure field is set to DTMF, and the upper subfield of
the Lo Tone field is set to Frq Err, and the Channel field is set to
Voice.