Cont/Single; Level (Div); Pre-Trig - HP 8920A User Manual

Cont/Single

Level (div)

Pre-Trig

Reset
This field specifies whether the oscilloscope is continuously triggered (
if it is only triggered each time
This control is divided into two fields:
The upper field (
0.00
divisions. The trigger level is indicated by small pointers that appear on each side
of the screen (only used for internal triggering).
The lower field (
Pos/Neg
waveform being measured is positive-going (
This field specifies the number of horizontal divisions displayed previous to the
trigger point. It allows you to see what the signal looked like before the trigger
point.
When pre-triggering is used, the trigger point is indicated by small pointers that
appear at the top and bottom of the screen.
See the
Cont/Single field description, on page 451
is selected (
Reset
) sets the internal trigger level as a function of vertical
) specifies whether triggering happens when the
Chapter 14, Oscilloscope Screen
Field Descriptions
).
Single
), or negative-going (
Pos
), or
Cont
).
Neg
451