Larson Davis System 824 User Manual

3-22 824 Reference Manual 11/8/00
Calibration
To calibrate the System 824, or to view previous calibration
information, use the
u
or
d
key to select
Calibration
from the
Tools
menu, then press the
c
key. The following
screen appears:
The
Calibration
display shows the date and time of the last
calibration change and the offset being used to calibrate the
levels. It also shows the date and time of the last calibration
check and the level detected during that check.
To utilize the calibration tool or modify the
Calibration
set-
tings, use the
u
or
d
key to select
Calibration
from the
Tools
menu, then press the
r
key. The
Calibration
menu
provides the following settings:
Check
- Activates the calibration check (level verification)
process.
Change
- Activates the calibration change (adjust) process.
Cal Level
- Enables the user to enter the sound pressure
level generated by the calibrator.
Calibrator S/N
- Enables the user to record the serial num-
ber of the calibrator (for reference).
Noise Floor
- Enables the user to enter a noise floor value.
Optimum values will depend on the type of measurement
being performed (see appendix D).
Date and time of the last calibration change
Offset currently in use to calibrate the levels
Date and time of the last calibration
The level detected during the last check

Larson Davis System 824 Specifications

General

Brand	Larson Davis
Model	System 824
Category	Measuring Instruments
Language	English