178 6000 Series Oscilloscope User’s Guide
4 Triggering the Oscilloscope
5 If you select a pattern term, each channel in the pattern must
be set to a H (high), L (low), or X (don't care).
a Press the Channel softkey (or rotate the Entry knob on
mixed-signal oscilloscopes) to select the channel.
b Press the L H X softkey to set a level for the channel.
c Repeat for all channels in the pattern.
6 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.
b Then press
the X softkey to select rising edge or
falling edge. All other channel edges will be defaulted
to don’t care.
7 If you select the Timeout term, you will need to set a timeout
value.
a Press the Te r m softkey and select Timeout.
b Press the Timeout softkey, then turn the Entry knob to set
the timeout value.
Timeout can be set from 10 ns to 10 seconds. The timer
starts when the Find condition has been met. If the timer
is running and another Find condition occurs, the timer
will restart from time zero.
Adjust the trigger level
• For analog channels, adjust the trigger level for the selected
analog channel by turning the Trigger Level knob.
• To set the threshold level for digital channels, press the D15
Thru D0 key and select Thresholds.
The value of the trigger level or digital threshold is displayed
in the upper-right corner of the display.
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