Philips PM3320 Operating Manual page 36

4-16E
7 PROCESSING>
Alter selecting PROCESSING>, the VERTICAL PROCESSING menu
is displayed and input signal processing can be selected.
The text MIN / MAX is not visible in the time base positions faster than
5 us/div.
VERTICAL
PROCESSING The text AVERG OFF is only visibie if average is selected.
MIN / MAX 4
BW LIMIT 2
AVERG OFF 3
AVERAGE > 4
o=8
= \
oe \
ea 7
RETURN 8
7 1 MIN / MAX
After pushing softkey MIN / MAX, two peak detectors are operative for each
channel.
Glitches in the A channel as well as in the B channel can be catched at the same
moment, since samples for both channels are taken at the same.moment.
When switching from 5 us/div to 2 us/div with MIN / MAX on the MIN / MAX
limitation is indicated by a message
No MIN / MAX possible when time base faster than
5 us/div. MIN / MAX switched off.
When switching from 2 us/div to 5 us/div and MIN / MAX on, the following
message is displayed
Previous MIN / MAX setting restored.
- Glitches longer than 3 ns are detected with an accuracy of more than 50 %.
- Glitches shorter than 20 ns are not detected if occurring during the reset time of
the peak detectors.
- MIN / MAX is not possible in combination with the AVERAGE function,
If MIN / MAX is selected when AVERAGE is active, a message
MIN / MAX and AVERAGE not possible.
MIN / MAX on, AVERAGE off.
is displayed.
7 2 BW LIMIT
After pushing softkey BW LIMIT a bandwidth filter is active. This is indicated by an
intensified text BW LIMIT.
The bandwidth is 3 dB down at20 MHz, using a 6 dB/octave filter. The filter is active
in both channels.
7 3 AVERG OFF
After pushing softkey AVERG OFF, AVERAGE is switched off.
This function is only displayed when AVERAGE is selected.