4 Triggering
102 InfiniiVision 7000B Series Oscilloscopes User’s Guide
Trigger Level Adjustment
You can adjust the trigger level for a selected analog channel by turning
the Trigger Level knob. 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 when DC coupling is selected. The
value of the analog channel trigger level is displayed in the upper-right
corner of the display.
The trigger level for a selected digital channel is set using the threshold
menu in the Digital Channel Menu. Press the [Digital] key on the front
panel, then press the Thresholds softkey to set the threshold level (TTL,
CMOS, ECL, or user defined) for the selected digital channel group. The
threshold value 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.
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