Changing The Frequency Weighting Of The Displayed Spl Value - Larson Davis 824 Technical Reference Manual

Changing the frequency weighting of the displayed SPL value

9/29/09
Step 1 To change to the detector type, use the
keys to highlight the Slow detector, as shown
below:
Step 2 To scroll through the optional detectors, press the
r l
or
corresponding to the Fast and Impulse detectors.
Go back to the Slow detector and press the check
c
key or wait several seconds until the highlight
disappears.
Step 1 To select the frequency weighting parameter, press
u d
the or
as shown:
r
Step 2 Use the
weighted or Flat-weighted SPL corresponding to
the Slow detector.
Overview
arrow keys. This will display the SPL
keys to highlight the A-weighting
l
or arrow keys to display the C-
u d
or
2-9