Dranetz PowerGuide 4400, Руководство пользователя

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6-12
RMS Variation Limit, continued
Procedure to
record rms
variation
(continued)
NOTE
The number of pre-trigger cycles for waveform capture should be less than or equal to
the number of pre-trigger cycles for rms summary. The same applies to the post-trigger
cycles.
Action... Result...
STEP 3 (continued):
Waveform Capture (Cycles):
These values can also be used for
transient waveform capture.
• Press
Pre-Trigger
to set the
number of cycles for Pre-event
start waveform cycles. Use the
keypad to enter the number of
waveform cycles to be saved
before the event start and event
end cycles.
• Press Post-Trigger to set the
number of cycles for Post-event
end waveform cycles. Use the
keypad to enter the number of
waveform cycles to be saved
after the event start and event
end cycles.
When done entering values, close
the keypad by pressing OK to
accept the new cycle count
settings or
Cancel
to ignore
changes and return to previous
cycle settings.
• Press Finish to accept the new
cycle count settings for rms
variation.
• Press Prev to return to the
RMS Variation Limit screen.
• Press
Cancel
to retain previous
cycle count settings and return
to Advanced Options menu.
Screen below shows sample changes in cycle
settings:
MARK112_213
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