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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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