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Triggering the Oscilloscope
To use Sequence triggering
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 on mixed-signal
oscilloscopes) 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 selec t rising edge or falling edge. Al l
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 is selected in the Trigg er: softkey
b Press the Term 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.
If the Find event occurs again before the C ount (N) event is satisfied,
Count(N) will be reset to zero. N can be set from 1 to 10,000.
Define the optional Reset on: stage
1Press 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 th e terms yo u can defi ne for the Reset on: stage. Th e Reset on : stage ca n
be set to one of the following conditions:
No Reset - Resets on the find condition.
Pattern 1 (or 2) Entered – A pattern is entered on the las t edge that makes
the pattern true (logical AND).
Pattern 1 (or 2) Exited – A pattern is exited on the first edge that makes the
pattern false (logic NAND).
Edge 1 (or 2)
Pattern 1 and Edge 1
Timeout
Terms that are grayed-out are not valid in the reset stag e.