HP 54540 Series - Page 188

Math/FFT Menu
Displaying Functions
6 Press the Display key. Then, select the frame display mode and turn
on connect the dots.
7 Press the Fine key. Then, adjust the volts/div knob and the position
knob so that the signal almost fills the screen vertically without
clipping the signal.
The oscilloscope cannot compute a correct FFT froma clipped signal, and
errors from noise can occur if the signal is too small.
Figure 10-6 Ae running DISPLAY
| Ci
peak detect
- persistence —
~ a
|
|
| | GUD infinite
| _——_—___
H | -# of screens —
| 2 4
| ott
| | axes grid
1
{
- connect dats —
oo 7
5.0000 ms
realtime
-5.0000 ms
fine
10-21