132 Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
10 Triggers
Hex Bus Pattern Trigger
You can specify a bus value on which to trigger. To do this, first define the bus. See
“To display digital channels as a bus" on page 98 for details. You can trigger on a
bus value whether you are displaying the bus or not.
To trigger on a bus value:
1 Press the [Pattern] key on the front panel.
2 Press the Channel softkey and rotate the Entry knob to select Bus1 or Bus2.
3 Press the Digit softkey and rotate the Entry knob to select a digit of the selected
bus.
4 Press the Hex softkey and rotate the Entry knob to select a value for the digit.
5 You can use the Set all Digits softkey to set all digits to a particular value.
When a hex bus digit contains one or more don't care (X) bits and one or more bit
with a value or 0 or 1, the "$" sign will be displayed for the digit.
For information regarding digital bus display when Pattern triggering see “Bus
values are displayed when using Pattern trigger" on page 100.
Pulse Width Trigger
Pulse Width (glitch) triggering sets the oscilloscope to trigger on a positive or
negative pulse of a specified width. If you want to trigger on a specific timeout
value, use Pattern trigger in the Trigger Menu (see “Pattern Trigger" on page 130).
1 Press the [Trigger] key.
2 In the Trigger Menu, press the Trigger softkey; then, turn the Entry knob to
select Pulse Width.
If a digit is made up of less than four bits, then the value of the digit will be limited to the
value that can be created by the selected bits.
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