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Chapter 1 203
GPIB Command Dictionary
DECoder subsystem
:NAMPs|NTACs:DTMF:GATE <real number>
:NAMPs|NTACs:DTMF:GATE?
These commands set/query how long the decoder analyzes a signal after
it has been triggered. Up to 6.55 seconds of gate time can be specified.
The minimum gate time must be long enough to allow the preamble
and all necessary data bits to be captured.
If the gate time is too long, the decoder’s buffer becomes full. A message
is displayed instructing you to decrease the gate time.
This command utilizes the “Real Number Setting Syntax” on page 299,
but does not use the :STATe command.
Syntax
DEC:NAMP:DTMF:GATE <real number>
DEC:NAMP:DTMF:GATE?
Screen/field equivalent
DEC:NAMP:DTMF:GATE controls the Gate Time field on the
SIGNALING DECODER screen when the Mode field is set to
NAMP-NTAC, the Channel field is set to Voice, and the Measure field is
set to DTMF.
:NAMPs|NTACs:RVC <string>
:NAMPs|NTACs:RVC?
These commands set/query the type of decoded data to display. This
command is used in conjunction with the DEC:NAMP:CHAN ‘Voice’
command.
Syntax
DEC:NAMP:RVC ‘DSAT’
‘Data’
‘DTMF’
DEC:NAMP:RVC?
Screen/field equivalent
DEC:NAMP:RVC controls the Measure field on the SIGNALING
DECODER screen when the Mode field is set to NAMP-NTAC and the
Channel field is set to Voice.