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dataPAC User’s Guide
Chapter 2 - The dataPAC
Trigger Hold-Off
Enable this option to include the length of delay (if any) between trigger events during
multiple measurements. When making averaged or repetitive measurements you may want
to pause before rearming the trigger, once a trigger has occurred. This field displays the
length of the delay. The field is not displayed if the delay is zero, or if trigger hold-off is not
applied to the measurement.
Trigger Slope/Level
Enable this option to show the trigger slope and threshold used to collect the displayed Time
Waveform. Possible values are “leading,” “trailing,” “positive” or “negative” edge,
followed by a threshold value.
Trigger Position
Enable this option to display the length of time between the trigger point and the first
sample as a percentage of the time waveform collection interval. Positive values are given
when the starting point occurs after the trigger, and negative values are given when the
starting point occurs before the trigger.
Cursor Type
The current cursor type is indicated by the letter in parentheses next to the words Cursor
Type on the softkey. Available cursor types are:
z
D = Dual Cursors - The dual time cursors are useful for determining the time
between two points on the time waveform or the time of any given sample relative
to the trigger point. The low cursor is on the left, and the high cursor is on the right.
For complete information on using dual and cyclic cursors, see “Using the Cursors
on a Time Waveform Display” on page 176.
z
C = Cyclic Cursors - The cyclic time cursors are used to help identify repeating
patterns in the time waveform.They consist of 1 to 15 vertical dashed lines, spaced
at even time intervals.
Setting the Data Collector Date and Time
The dataPAC keeps the current date format, date, and time even when powered off.
However, there may be times when you need to change these settings. For example, any
time the batteries are completely drained you might need to reset the date format, date, and
time.
1.
Press <ON/OFF> to turn the data collector on. Return to the Program Manager if
needed.
2.
Select Setup Utility from the Program Manager by pressing the arrow keys and press
<SELECT>.
positive edge, leading
negative edge, trailing
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