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Svantek SVAN 977A - Page 131

Svantek SVAN 977A
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131
SVAN 977A User Manual
Trigger
Parameter that enables switching Off or selecting the
trigger type for triggering wave recording: Slope +,
Slope , Level +, Level , External, Integr. Period and
Int. Period Split.
If the instrument is waiting for the trigger condition, which
is checked with Trigger Period intervals, the appropriate
trigger icon is flashing on the display alternatively with the
note” icon.
Chapter
5.4.6
Slope +
Type of trigger that starts the wave recording for
Recording Time under the condition: rising value of the
Leq/RMS result (Source) integrated during
Trigger Period passes above the threshold level (Level).
Chapter
5.4.6
Slope -
Type of trigger that starts the wave recording for
Recording Time under the condition: falling value of the
Leq/RMS result (Source) integrated during
Trigger Period passes below the threshold level (Level).
Chapter
5.4.6
Level +
Type of trigger that starts the wave recording for
Recording Time under the condition: value of the
Leq/RMS result (Source) integrated during
Trigger Period is greater than the threshold level (Level).
Chapter
5.4.6
Level -
Type of trigger that starts the wave recording for
Recording Time under the condition: value of the
Leq/RMS result (Source) integrated during
Trigger Period is lower than the threshold level (Level).
Chapter
5.4.6
External
Type of trigger that starts the wave recording for
Recording Time when the triggering signal appears on
the I/O socket of the instrument.
Chapter
5.4.6
Integr. Period
Type of trigger, enabling the wave recording start for
Recording Time every time the measurement starts. If
Integration Period is shorter than Recording Time, the
wave recording will be continued for additional
Recording Time.
Chapter
5.4.6
Int. Period Split
Type of trigger, enabling the wave recording start for
Integration Period every time the measurement starts.
Chapter
5.4.6
Source
Measured result that is compared with the threshold level
for triggering (Level) measured in the first profile: Leq(1)
in the sound mode and RMS(1) in the vibration mode.
Chapter
5.4.6

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