Operation
EPM1000 User’s Guide
26
Trigger Holdoff
The Trigger Holdoff determines how long the EPM1000 waits after
receiving a valid trigger before resetting the triggering circuit. This avoids
false triggers from a noisy pulse tail (See Understanding the EPM1000
Trigger). The Trigger Holdoff can be set for 0 to 49 ms.
Set the Trigger Holdoff by pressing .
Press or to increment or decrement through the possible delay
values or use the Numeric Entry Keys to enter a value directly. The
EPM1000 will not permit an invalid value. Press to complete the
action.
Trigger Settings
.
.
TRIG
Trigger Level
The EPM1000 internal trigger level can be set for as low as 2% of full
scale and as high as 20% of full scale. Noisy environments require
higher trigger levels.
To set the EPM1000's trigger level, press . Press or
to increment and decrement through the possible level values or use the
Numeric Entry Keys to enter a value directly. Press to complete
the action.
TRIG
ENT
Trigger Source
The EPM1000 can be set to trigger on some selected percentage of the
current range (internal trigger) or on an external signal, applied to the
TRIG IN connector. At any time while setting the trigger source,
pressing cancels the action and restores the previous value.
To set the EPM1000’s trigger source, press .
For an internal trigger, press until the EPM1000 LCD reads .
For an external, positive-edge trigger, press until the EPM1000
LCD reads .
For an external, negative-edge trigger, press until the EPM1000
LCD reads
.
Press to complete the action.
ZERO
ENT
.
TRIG
ENT
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