3. Using the Scope
Model 381395 Version 1.0 January 2008
3-5
1) Pressing
moves Trigger Point Indicator leftward.
2) Pressing
moves Trigger Point Indicator rightward.
3.6. Acquiring
a
Waveform
c
Start Display
Æ
Î
3.6.1. Recording slow signals over a Long Period of Time.
d
Highlight ROLL mode.
e
Set the ROLL mode.
f
Exit
PATH:
Î
Î
Î
The ROLL mode function supplies a visual log of waveform activity and is especially useful
when measuring lower frequency waveforms.
Note: ROLL MODE operates when the horizontal division is between 1sec. and 5 sec.
3.6.2. Selecting AC-Coupling for INPUT A
d
Highlight AC for INPUT A.
e
Set the AC-coupling for INPUT A.
f
Exit
PATH:
Î
Î
Î
Use AC-coupling to observe a small AC signal that rides on a DC signal.