IEEE-488 Reference
4-214
:AUTO [BUFFER,] <b>
:TRACe:POINts:AUTO [BUFFER,] <b> Control auto buffer sizing
Parameters <b> = 0 or OFF Disable auto buffer sizing
= 1 or ON Enable auto buffer sizing
Format :trac:poin:auto <b>
Defaults Power-up OFF
*RST No effect
:SYSTem:PRESet No effect
Query :AUTO? [BUFFER,]
Short-form format: :trac:poin:auto?
Response message: 0 (off) or 1 (on)
Description This command is used to enable or disable auto buffer sizing. When enabled, the buffer size will
default to the measure count value in the Trigger Model (see :TRIGger:COUNt in Trigger sub-
system). With auto enabled, changing the trigger model’s measure count value will change the
buffer size to that value.
Disabling auto buffer sizing will not affect the size of the buffer. It simply means that you must
then use the :POINts command to change buffer size.
If you use the :POINts command to change the buffer size while auto is enabled, the buffer size
will change to that value and auto buffer sizing will disable.
If you try to enable auto buffer sizing while the measure count is programmed for infinite, an
error will occur and the command will be ignored. You cannot have an infinite buffer size.
Programming example 10 OUTPUT 716; “:trig:coun 200”
20 OUTPUT 716; “:trac:poin:auto on; auto?”
30 ENTER 716; A$
40 PRINT A$
50 END
Line 10 Sets the measure count to 200.
Line 10 Two commands in this program message; the first enables auto buffer sizing, and the
second queries the state of auto buffer sizing. Auto sets the buffer size to 200 points.
Line 20 Addresses the Model 2001 to talk.
Line 30 Displays the state of auto buffer sizing (1; on).
4.23.5 :FEED [BUFFER,] <name>
:TRACe:FEED [BUFFER,] <name> Specify readings source
Parameters <name> = SENSe[1] Put raw readings in buffer
= CALCulate[1] Put calculated readings in buffer
= NONE Put no readings in buffer
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