Features and Functions 3
Keysight 34420A User’s Guide 99
Number of Samples
Normally, the meter takes one reading (or sample) each time it receives a trigger
from the selected trigger source (if the meter is in the wait-for-trigger state). You
can, however, instruct the meter to take multiple readings for each trigger
received.
– Number of samples: 1 to 50,000. The default is 1 sample per trigger.
– The sample count is stored in volatile memory; the meter sets the sample
count to 1 when power has been off or after a remote interface reset. The
CONFigure and MEASure? commands automatically set the sample count to 1.
– Front Panel operation: set the number of samples per trigger in the
3: N SAMPLES command under the TRIGger menu.
– Remote operation: use the following command:
SAMPle:COUNt {<value>|MIN|MAX}
Number of Triggers
Normally, the meter will accept only one trigger before returning to the “idle”
trigger state. You can, however, instruct the meter to accept multiple triggers.
This feature is available only from the remote interface. If you set the trigger count
and then go to local (front panel), the meter ignores the trigger count setting;
when you return to remote, the trigger count returns to the value you selected.
– The selected number of triggers is stored in volatile memory; the meter sets
the trigger count to 1 when power has been off or after a remote interface
reset or preset. The CONFigure and MEASure? commands automatically set
the trigger count to 1.
– The number of triggers can be set to any number between 1 (MIN) and 50000
(MAX) or can be set to be INFinity. When the trigger count is set to be infinite,
use the READ? command to collect the readings. Send a device clear to stop
the measurements. See page 203 for information about device clear.
TRIGger:COUNt {<value>|MIN|MAX|INFinity}
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