Digital filter that compensates the effect of the
SA 22 windscreen.
Digital filter that compensates the effect of the
SA 271 outdoor microphone protection kit in the free
field for the reference acoustic wave incidence
angle 90 deg.
Digital filter that compensates the effect of the
SA 271 outdoor microphone protection kit in the free
field for the reference acoustic wave incidence
angle 0 deg.
Linear operating range for the sinusoidal signal
selection: Low or High. The calibration factor is
always added to the range limits.
Low linear operating range for the sinusoidal signal.
The calibration factor is always added to the range
limits.
High linear operating range for the sinusoidal signal.
The calibration factor is always added to the range
limits.
Triggering of the measurement/integration process.
Triggering is switched on if one of its three available
modes is selected: Level +, Level – or Gradient +.
If the instrument is waiting for the trigger condition,
which is checked every 0.5 ms, the appropriate
trigger icon is flashing on the display alternatively
with the „play” icon.
Type of trigger, that starts the 1-second
measurement/ integration under the condition:
value of the RMS result (Source) integrated during
0,5 ms is greater than the threshold value (Level).
In other cases, the instrument continues checking
the trigger condition every 0.5 ms. During one
measurement cycle the instrument performs as
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