HEIDENHAIN PWM 8 Operating Instructions Manual page 49

Reference mark signal
Oscilloscope display x - t
•
Change the trigger setting of the oscilloscope basic setting
as follows:
– Trigger channel A
– Manual triggering (AC or DC)
– Trigger negative edge
•
Traverse the reference mark to be checked
oscillatorily ("forward"/"backward").
•
At the oscilloscope turn the trigger
potentiometer to set the trigger threshold
(LEVEL) such that the reference mark
signal is depicted as "stationary" image
on the screen.
Note:
Schematic display of Ue1+2 on the oscilloscope.
The actual amplitude is higher than displayed.
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