Philips PM3320 Operating Manual page 67

4-A7E
V/dt
After pushing 1/dt, the reciproke time between the cursors is caicu!ated. Only ifthe
Cursors are positioned on points, which are 1 signal period from each other, the
displayed value is the frequency. The resultis visible in the top text area by 1/dt:....
Hz. With both cursors placed over each other, 1/dt1/ O/d is displayed.
Vat i+... Hz
MATZ
Figure 4.21 1/dt measurement.
MEAN VALUE
After pushing MEAN VALUE, the mean value of the signal between the cursors is
calculated. This mean value is related to a zero level what is assumed to be at
mid-memory.
The result is visible in the top text area by MEAN: .... V
MaT267
Figure 4.22 Mean value measurement.