Agilent Technologies E6380-90073 Manuale Utente
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Chapter 1
GPIB Command Dictionary
DECoder subsystem
:NAMPs|NTACs:CHANnel <string>
:NAMPs|NTACs:CHANnel?
:NAMPs|NTACs:CHANnel?
These commands set/query the type of data to decode.
• ‘Cntl’ selects reverse control channel (RECC) data.
• ‘Voice’ selects reverse voice channel (RVC) data.
Syntax
DEC:NAMP:CHAN ‘Cntl’
‘Voice’
DEC:NAMP:CHAN?
Screen/field equivalent
DEC:NAMP:CHAN controls the
Channel
field on the SIGNALING
DECODER screen when the
Mode
field is set to
AMPS-TACS
or
NAMP-NTAC
.
:NAMPs|NTACs:GATE <real number>
:NAMPs|NTACs:GATE?
:NAMPs|NTACs:GATE?
This command specifies 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.
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.
is displayed instructing you to decrease the gate time.
This function is not used with the NAMPS-NTACS RVC decoder.
This command utilizes the “Real Number Setting Syntax” on page 299,
but does not use the :STATe command.
but does not use the :STATe command.
Syntax
DEC:NAMP:GATE <real number>
DEC:NAMP:GATE?
Screen/field equivalent
DEC:NAMP:GATE controls the
Gate Time
field on the SIGNALING
DECODER screen when the
Mode
field is set to
NAMP-NTAC
.