Agilent Technologies 8935 Series Manual do Utilizador Página 95

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Chapter 1 95
GPIB Command Dictionary
AFG2|ENCoder subsystem
:NAMPS|NTACS[:FOCC]:MESSage:DATA1 <string>
:NAMPS|NTACS[:FOCC]:MESSage:DATA2 <string>
:NAMPS|NTACS[:FOCC]:MESSage:DATA1?
:NAMPS|NTACS[:FOCC]:MESSage:DATA2?
These commands set/query FOCC Stream A and Stream B message
data. Like the filler data, the message information can only be input in
full (seven digit) lines. Also, message streams A and B must have the
same number of lines in them.
To use this command, AFG2:NAMP:CHAN must be set to ‘Cntl’.
Syntax
AFG2:NAMP[:FOCC]:MESS:DATA1 <string>
AFG2:NAMP[:FOCC]:MESS:DATA2 <string>
AFG2:NAMP[:FOCC]:MESS:DATA1?
AFG2:NAMP[:FOCC]:MESS:DATA2?
Screen/field equivalent
AFG2:NAMP:MESS controls the Message fields for FOCC Stream A
and Stream B on the SIGNALING ENCODER screen when the Mode
field is set to NAMP-NTAC. These fields are displayed only when the
Channel field is set to Cntl.
:NAMPs|NTACs:FVC:MESS <string>
:NAMPs|NTACs:FVC:MESS?
These commands set/query the seven hexadecimal characters (28 bits)
of the FVC message. These 7 characters are combined with 12 parity
bits calculated by the encoder to output a 40-character data stream.
This data is output when the AFG2:NAMP:FVC:SEND ‘Message’
command is sent.
The entire field must contain data. No blank spaces are allowed. The
DSAT is turned off while the FVC message stream is sent.
Syntax
AFG2:NAMP:FVC:MESS <string>
AFG2:NAMP:FVC:MESS?
Screen/field equivalent
AFG2:NAMP:FVC:MESS controls the FVC Message field on the
SIGNALING ENCODER screen when the Mode field is set to
NAMP-NTAC, and the Channel field is set to Voice.
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