User`s guide

Triggering 4
InfiniiVision Oscilloscopes User’s Guide 147
4 If you select a pattern term, each channel in the pattern must be set to a 1 (high),
0 (low), or X (don't care).
a Press the Channel softkey (or rotate the Entry knob) to select the channel.
b Press the 0 1 X softkey to set a level for the channel.
c Repeat for all channels in the pattern.
5 If you select an edge term, one channel must be set to a rising edge or a falling edge.
All other channel edges will be set to don’t care (X).
a Press the Channel softkey (or rotate the Entry knob) to select the channel.
The channel you select is shown in the upper-right corner of the display next to
“Seq”.
b Then press
the X softkey to select rising edge or falling edge. All other
channel edges will be defaulted to don’t care.
6 When you set a Trigger on: condition to trigger on Edge 2, you can also select which
occurrence of Edge 2 to trigger on.
a Make sure Nth Edge 2 or Nth Edge 2 (no re-find) is selected in the Trigger: softkey.
When Nth Edge 2 is selected, if the Find event occurs again before the Count (N)
event is satisfied, Count (N) will be reset to zero.
When Nth Edge 2 (no re-find) is selected, if the Find event occurs again before the
Count (N) event is satisfied, the Count (N) is not reset to zero.
b Press the Ter m softkey and select Count (N).
c Press the N softkey, then turn the Entry knob to set the number of edges to wait
before triggering.
N can be set from 1 to 10,000.
Define the Optional “Reset on” Stage
1 Press the Stage softkey and select Reset on:.
Reset on: is the last stage in the trigger sequence. When you select the Stage Reset
on: softkey, the next softkey to the right will display Reset: and give you a list of the
terms you can define for the Reset on: stage. The Reset on: stage can be set to one of
the following conditions:
If the term(s) used in the “Trigger on:” Sequence Stage condition are set to “don’t care,” the
oscilloscope will not trigger. At least one term in the stage must be set to a value other than X
(don’t care).