Keysight Technologies DSO-X 2014A, Руководство пользователя

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148 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 110 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 112.
OR Trigger
The OR trigger mode triggers when any one (or more) of the specified edges on
analog or digital channels is found.
1 On the front panel, in the Trigger section, press the [Trigger] key.
2 In the Trigger Menu, press the Trigger softkey, and use the Entry knob to select
OR .
3 Press the Slope softkey and select rising edge, falling edge, either edge, or don't
care. The selected slope is displayed in the upper-right corner of the display.
4 For each analog or digital channel you want to include in the OR trigger, press
the Channel softkey to select the channel.
NOTE
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.