B&K Precision 2542B-GEN - Manual - Manual (Page 166)

Arbitrary Waveform Generator
166
Although there will be cases in which the original
source signal cannot fit exactly at the maximum
and minimum edge of the graticule like the
illustration above, use the Ampl softkey in the
ARB menu to re-adjust the amplitude of your
captured waveform.
Top edge
Bottom edge
Displayable
vertical
data range
(200 pixels)