Storing Measurement History; Data File - Larson Davis SoundAdvisor 831C Reference Manual

15.5.3 Data File

What is logged is
TAKE NOTE
dependent on the firmware
and options installed. For
example, if the OBA option is
present then the
measurement history record
will have OBA Leq, min and
max.
FIGURE 15-7 Measurement History Data File (G4 View)

15.6 Storing Measurement History

SoundAdvisor Model 831C
Frequency Spectra Displays
When a frequency spectrum is displayed, the 4 and 6 keys are used to
highlight to the left or right so that the levels can be displayed for
different frequency bands. To change the displayed record, shift to a
non-spectrum display to make the change then return to the frequency
spectrum display.
To view the full scope of each measurement history record, open the
data file which can be accessed after the measurements is stored, see
"Storing Measurement History" on page 15-6. The data file can be
downloaded using G4 LD Utility, additionally it can viewed on the
meter, navigate ToolsData File Manager.
For this example, every hour the Current measurement is stored as a
measurement history record. The sound exceedance count and
duration, overloads, and OBA can be viewed in the file.
Although the measurement history data can be displayed during a
measurement and after it has been stopped, the data has not been
stored to memory. To store the data, press the 7 (Stop/Store) key.

Storing Measurement History

Using the scroll in G4, the
data continues to the right.
15-6