Understanding The Session Log Tab; Adjusting The Graph Scale - Larson Davis SoundAdvisor 831C Reference Manual

4.4 Understanding the Session Log Tab

FIGURE 4-24
1.

4.5 Adjusting the Graph Scale

SoundAdvisor Model 831C
On the Session Log tab, the 831C creates a time-stamped
record for every meter action, including Calibrate, Run, Pause,
Resume, Stop, Voice Message, and Sound Recording, and
others. When you store a data file or press the Reset button
2.
the session log clears and begins a new log.
1.
For the example shown in Figure 4-24 there was a time sync,
a back-erase; measurement paused then resumed, then a
calibration.
2.
Highlight a log entry to see the meter source near the
bottom of the screen.
The source responsible for each logged action is also recorded. Session Log
meter actions include the following:
Table 4.4 831C Meter Actions that Create Log Items
Key press
Measurement run
Resume from pause
Calibration record and change
Marker set
GPS Time Sync
Charging stopped
Preamplifier connect/
disconnect
831 INT-ET (Comm Failure)
NTP Time Sync
The default amplitude (dB) setting for the graphic display of sound pressure
level versus time and frequency spectra for this meter are shown in Table 4.5.
Table 4.5 Default Settings for the Graphical Display
Level vs. Time Graphs
Frequency Spectra, Normal Range
Frequency Spectra, Low Range
Understanding the Session Log Tab
Measurement stop
Measurement pause
Measurement reset
Back-erase
Run timer complete
Low battery
Out of memory
Create new average
USB Connection detected
System time change
20 dB to 140 dB
20 dB to 140 dB
-10 dB to 110 dB
1
,
4-15