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:TRACe:FEED:CONTrol
Controls how often the specified trace accepts new data.
Setting the TRACe:FEED:CONTrol command to ALWays will allow the trace to
always accept new data whenever data is available from the FEED. This is
equivalent to turning on the trace update from the front panel.
Setting the TRACe:FEED:CONTrol command to NEVer will cause no new data
to be fed into the trace. This is equivalent to turning off the trace update from
the front panel.
When switching from NEVer to ALWays, all the valid data from the data source
is immediately copied into the trace. If, for example:
• the instrument is in single sweep mode.
• TRA has SENSe:DATA as the FEED and NEVer as the FEED:CONTrol.
• SENSe:DATA contains valid measurement data
Setting the TRACe:FEED:CONTrol command from NEVer to ALWays for TRA
will immediately copy the SENSe:DATA into trace A. If the instrument was in
continuous sweep mode, and a sweep was in progress, setting the CONTrol
command from NEVer to ALWays would immediately copy all the valid
SENSe:DATA for the partial sweep.
Syntax
: T R A C e : F E E D : C O N T r o l T R A | T R B | T R C | T R D | T R E | T R F,
: T R A C e : F E E D : C O N T r o l ? T R A | T R B | T R C | T R D | T R E | T R F
Update A...F On|Off
Related Key
:TRACe:FEED:INPut
Attaches the given trace to the specified input.
Syntax
: T R A C e : F E E D : I N P u t T R A | T R B | T R C | T R D | T R E | T R F, 1 | 2
: T R A C e : F E E D : I N P u t ? T R A | T R B | T R C | T R D | T R E | T R F
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A LWa y s | N E Ve r
Programming Commands
TRACe Subsystem Commands
6-105
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