96 FieldFox User’s Guide
Then AutoTrig Time [current setting]
Enter an Auto Trig Time using the numeric keypad.
Then select a multiplier key. Learn about multiplier abbreviations on page 19.
Trigger Position
Available ONLY in zero span measurements, this setting is an easy way to
automatically set the Trigger Delay by positioning the trigger event (also known
as T zero) at any graticule along the X-axis. With T zero in the center of the
screen, you can zoom in and out by increasing or decreasing the sweep time.
Using the Trigger Position and Sweep Time settings is a quick and efficient way
to examine artifacts of a pulse, much easier than trying to set the Trigger Delay
manually.
When Trigger Position is set to Manual, the Trigger Delay softkey is not available.
The amount of Trigger Delay that is being used is displayed on the softkey. The
Trigger Position is annotated on the screen. Learn how in the following section.
Press Sweep 3
Then Trigger Settings
Then Trig Position
o Auto: The position of T zero is set by the trigger delay.
o Manual: Select, then enter a position value from 0 to 10 using the numeric
keypad, the ▲|▼ arrows, or the rotary knob.
o 0: T zero occurs at the left graticule.
o 5: T zero occurs at the center of the screen.
o 10: T zero occurs at the far right graticule.
o Then press Enter.
Trigger Settings Annotation
Trigger settings are annotated on the FieldFox screen as highlighted in red in the
following image:
Square: Trig Type (VidT), AutoTrigger (a), Pos Slope (/), Neg Delay (delay-)
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