72 34410A/11A/L4411A User’s Guide
2 Features and Functions
Number of Pre-Trigger Samples (34411A/L4411A)
The 34411A and L4411A provide pre-triggering. This feature allows you to specify a
pre-trigger sample count of readings to be retained before the trigger is received. The
pre–trigger sample count must be less than the sample count. Pre–triggering is primarily
a remote interface function, and is described more completely in the Keysight
34410A/11A/L4411A Programmer’s Reference Help. However, you can set the
pre–trigger count from the front panel, and you can use pre–triggering with the Data
Logger feature (see “Data Logging” on page 80). Pre-triggering is not supported for
continuity or diode test.
• Front Panel Operation: Press
TRIGGER > SETUP > N SAMPLES > PRE-TRIG CNT
Enter the desired number of pre–trigger samples per trigger using the navigation
keypad, and then step through or exit the menu. (The PRE-TRIG CNT selection
appears only if N SAMPLES is greater than one.)
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