Fluke 190 Series II User Manual page 39

4 Select On to display the reference
waveform. This can be:
ENTER
- the last used reference waveform
(if not available no reference
waveform will be shown).
- the envelope waveform if the
persistence function Envelope is
on.
Select Recall... to recall a saved
waveform (or waveform envelope)
from memory and use it as a
reference waveform.
Select New... to open the
REFERENCE
If you selected New... continue at
step 5, else go to step 6.
5 Select the width of an additional
envelope to be added to the
momentary waveform.
NEW
menu.
Using the Scope and Meter
6 Store the momentary waveform
ENTER
and display it permanently for
reference. The display also shows
the actual waveform.
To recall a saved waveform from memory and use it as a
reference waveform, refer also to Chapter 5 Recalling
Screens with Associated Setups.
Example of reference waveform with an additional
envelope of ±2 pixels:
black pixels: basic waveform
± 2 pixels envelope
gray pixels:
1 vertical pixel on the display is 0.04 x range/div
1 horizontal pixel on the display is 0.0333 x range/div.
1
Acquiring Waveforms
31