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Chapter 1 93
GPIB Command Dictionary
AFG2|ENCoder subsystem
:NAMPs|NTACs[:FOCC]:RATE <real number>
:NAMPs|NTACs[:FOCC]:RATE?
These commands set/query the data rate of the encoded message.
This command utilizes the “Real Number Setting Syntax” on page 299
but does not use the :STATe command.
Syntax
AFG2:NAMP:FOCC:RATE
AFG2:NAMP:FOCC:RATE?
Screen/field equivalent
AFG2:NAMP[:FOCC]:RATE controls the Data Rate field on the
SIGNALING ENCODER screen when the Mode field is set to
NAMP-NTAC, and the Channel field is set to Cntl.
:NAMPs|NTACs[:FOCC]:FILLer:DATA1 <string>
:NAMPs|NTACs[:FOCC]:FILLer:DATA2 <string>
:NAMPs|NTACs[:FOCC]:FILLer:DATA1?
:NAMPs|NTACs[:FOCC]:FILLer:DATA2?
These commands set/query FOCC filler data. Each filler contains 7
hexadecimal characters representing the 2 type bits and 26 information
bits of the control filler/message word. The control filler is sent
continuously when the :NAMPs|NTACs[:FOCC]:FILL:SEND command
is used or after a control message has been sent using
:NAMPs|NTACs:SEND.
Both filler fields must be full (seven digits) for the forward control
channel information to be structured correctly. Do not leave any blank
spaces.
To use this command, AFG2:NAMP:CHAN must be set to ‘Cntl’.
Syntax
AFG2:NAMP[:FOCC]:FILL:DATA1 <string>
AFG2:NAMP[:FOCC]:FILL:DATA2 <string>
AFG2:NAMP[:FOCC]:FILL:DATA1?
AFG2:NAMP[:FOCC]:FILL:DATA2?
Screen/field equivalent
AFG2:NAMP[:FOCC]:FILL:DATA1 and DATA 2 control the Filler
fields for Stream A and Stream B on the SIGNALING ENCODER
screen when the Mode field is set to NAMP-NTAC, and the Channel field is
set to Cntl.