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The Wait-for-Trigger State
After you have configured the multimeter and selected a trigger source,
you must place the multimeter in the wait-for-trigger state. A trigger
will not be accepted until the multimeter is in this state. If a trigger
signal is present, and if multimeter is in the “wait-for-trigger” state,
the measurement sequence begins and readings are taken.
The “wait-for-trigger” state is a term used primarily for remote interface
operation. From the front panel, the multimeter is always in the
“wait-for- trigger” state and will accept triggers at any time, unless a
measurement is already in progress.
You can place the multimeter in the “wait-for-trigger” state by executing
any of the following commands from the remote interface.
MEASure?
READ?
INITiate
The multimeter requires approximately 20 ms of set-up time after you
send a command to change to the “wait-for-trigger” state. Any external
triggers that occur during this set-up time are ignored.
Halting a Measurement in Progress
You can send a device clear at any time to halt a measurement in
progress and place the multimeter in the “idle state.” The following
statement shows how to send a device clear over the
GPIB interface
using BASIC.
CLEAR 722
IEEE-488 Device Clear
A device clear does not affect the configuration of the triggering system.
The trigger source, sample count, trigger delay, and number of triggers
are not changed.
Chapter 3 Features and Functions
Triggering
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