Trigger parameters:
Delay
In Figure 5.10 the indicated trigger delay is 10% Pre, meaning
that when in Main Menu the Delay arrow is positioned one division
to the left of the center of the grid. In the case of a
post-trigger delay setting9 this would be indicated in decimal
fractions of a second (i.e. + 4.00 msec).
Level
The trigger level indicated in Figure 5.10 is displayed in terms
of grid divisions. The 9400A displays the current trigger level
setting in divisions when in the internal trigger mode. It
displays the setting in Volts when in the external trigger mode.
Time/point
Indicates the time between digitized points for the corresponding
time base setting.
Points/div
This parameter indicates the number of digitized
division on any non-expanded waveforms displayed.
points per
# Segments for SEQNCE
This parameter indicates the number of segments selected for
sequential acquisition. On-screen modification of this parameter
is possible by pressing the Modify # Segments button (4) to change
the indicated segment number from 8 to 250 in a rolling sequence.
Set CHAN 1 Attenuator (6) and set CHAN 2 Attenuator (7)
allow the user to enter probe attenuation factors of I0, i00 and
I000.
Press the Return key (10) to list the available menus.
For information concerning the other parameters displayed on the Panel
Status menu, see Section 5.1.
5-21
Manual Operation
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