Acquire the Signal
Horizontal position: The time from th e
trigger point to the expansion point. Adjust
this by turning the Horizontal Position
knob.
Use a positive time t o acquire the record
after the trigger point. Use a negative time
to acquire it before the trigger point.
Expansion point: The point that the
horizontal scale e xp ands and contra cts
around. It is shown by an orange triangle.
How the Acquisition Modes Work
Sample mode retains the first sampled point
from each acquisition interval. Sample is the
default mode.
78 DPO4000 Series User Manual