Keysight DSOX1202A, Руководство пользователя

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Triggers
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Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes User's Guide 99
Adjusting the Trigger Level
You can adjust the trigger level for a selected analog channel by turning the
Trigger Level knob.
You can push the Trigger Level knob to set the level to the waveform's 50% value.
If AC coupling is used, pushing the Trigger Level knob sets the trigger level to
about 0 V.
The position of the trigger level for the analog channel is indicated by the trigger
level icon (if the analog channel is on) at the far left side of the display. The
value of the analog channel trigger level is displayed in the upper-right corner of
the display.
The line trigger level is not adjustable. This trigger is synchronized with the power
line supplied to the oscilloscope.
Forcing a Trigger
The [Force] key causes a trigger (on anything) and displays the acquisition.
This key is useful in the Normal trigger mode where acquisitions are made only
when the trigger condition is met. In this mode, if no triggers are occurring (that is,
the "Trig'd?" indicator is displayed), you can press [Force] to force a trigger and see
what the input signals look like.
In the Auto trigger mode, when the trigger condition is not met, triggers are forced
and the "Auto?" indicator is displayed.
Edge Trigger
The Edge trigger type identifies a trigger by looking for a specified edge (slope)
and voltage level on a waveform. You can define the trigger source and slope in
this menu. The trigger type, source, and level (if applicable) are displayed in the
upper-right corner of the display.
T
NOTE
You can also change the trigger level of all channels by pressing [Analyze] > Features and
then selecting Trigger Levels .