Setting Trigger Level And Slope - Fluke 190 Series II User Manual

Fluke 190 series II
Users Manual

Setting Trigger Level and Slope

The Connect-and-View™ function enables hands-off
triggering to display complex unknown signals.
When your test tool is in manual range, do the following:
Perform an auto set.
MANUAL
AUTO
at the top right of the screen.
Automatic triggering assures a stable display of virtually
any signal.
From this point, you can take over the basic trigger
controls such as level, slope and delay. To optimize trigger
level and slope manually, do the following:
1 Display the
TRIGGER
2 Trigger on either positive slope or
F2
negative slope of the chosen
waveform.
In Dual Slope Triggering ( X ) the
test tool triggers on both positive
slope and negative slope.
Enable the arrow keys for manual
3
F3
trigger level adjustment.
58
appears
AUTO
key labels.
TRIGGER
Figure 28. Screen with all Trigger Information
4 Adjust the trigger level.
Observe the trigger icon
position, trigger level, and slope.
At the bottom of the screen the trigger parameters are
displayed (See Figure 28). For example,
means that input A is used as the trigger source with a
positive slope.
When a valid trigger signal is found, the trigger key will be
lit and the trigger parameters appear in black.
When no trigger is found, the trigger parameters appear in
gray, ands the key light will be off.
that indicates the trigger