Trigger Source Choices - Keysight 34420A User Manual

Trigger Source Choices

You must specify the source from which the meter will accept a trigger.
– The trigger source is stored in volatile memory; the source is set to autotrigger
– Front Panel operation: the meter will accept a either a front panel single
– Remote operation: the meter will accept a software (bus) trigger, a hardware
Autotriggering
continuously takes readings at the fastest rate possible for the present
configuration. This is the power-on trigger source for front-panel operation.
Single Triggering
manually trigger the meter by pressing
the specified number of readings (sample count), each time you press the key. The
'Trig' annunciator turns on when the meter is waiting for a trigger.
Pressing the
terminal.
The front-panel
Keysight 34420A User's Guide
(front panel) or immediate (remote interface) when power has been off or after
a remote interface reset.
trigger or a hardware trigger from the Ext Trig terminal, or continuously take
readings using autotrigger. At power-on, autotriggering is used.
trigger from the Ext Trig terminal, or an immediate internal trigger. See
"Triggering" on page 93 for more information.
In the autotrigger mode (front panel only), the meter
In the single trigger mode (front panel only), you can
key also allows the meter to accept triggers on the Ext Trig
Single
key is disabled when in remote.
Single
Features and Functions
. The meter takes one reading, or
Single
3
95