Larson Davis SoundAdvisor Reference Manual page 54

Every calibration is
logged as an event in the
Calibration History.
Delta dB is the difference
between the level measured
during the current calibration
and the level from the
previous calibration.
FIGURE 5-2 Calibration Spectrum
5.2.4 Calibration Certification Tab
FIGURE 5-3 Calibration Certification
The date of the last
certification and the due
date for the next
certification.
The certification interval
can be changed to reflect
your own certification time
line.
SoundAdvisor Model 831C
Since space is limited on the meter
display, you'll find a more detailed
version of the Calibration History in
G4. For more information, see
section 1 4 ali rati n i t rie
a in the G4 LD Utility Reference
Manual.
This page documents when the meter was last certified by the factory,
and when it is due for recertification.
Reviewing the Calibration Settings
Sensitivity is shown
in dB relative to 1 V/
Pa.
A reminder will be
displayed as a popup
number of days before the
interval time has expired.
5-4