Model 831 Manual Trigger Method 13-3
Peak levels drop below their threshold values. However,
there may be situations where the sound level drops below
the threshold for a short period of time before rising above it
again, in which case the user may prefer to consider this a
continuation of the event rather than the conclusion of the
event and the beginning of another. This possibility is
included by providing a user-defined Continuation Period.
Beginning when the levels both drop below their thresholds,
if neither level rises above its respective threshold over a
time interval equal to the continuation period, the noise
event is considered complete. If, however, there is an
exceedance of a threshold during the continuation period,
the event is considered to be continued as if there had been
no level drop below a threshold.
To set the Continuation Period, highlight the Continuation
Period data field and press
5. Enter the desired value and
press
5.
Trigger Method
There are two Trigger Methods provided.
• Level: in which an event is triggered when the measured
sound level exceeds user-defined trigger levels.
•Dynamic: in which a single trigger level is utilized
which tracks the background noise level.
To Next Page
Loading...
