SoundAdvisor Model 831C
Understanding the Session Log Tab
4-15
4.4 Understanding the Session Log Tab
FIGURE 4-24
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
1
,
the session log clears and begins a new log.
1.
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:
4.5 Adjusting the Graph Scale
The default amplitude (dB) setting for the graphic display of sound pressure
level versus time and frequency spectra for this meter are shown in
1.
2.
Table 4.4 831C Meter Actions that Create Log Items
Key press
Measurement stop
Measurement run
Measurement pause
Resume from pause
Measurement reset
Calibration record and change Back-erase
Marker set
Run timer complete
GPS Time Sync
Low battery
Charging stopped
Out of memory
Preamplifier connect/
disconnect
Create new average
831 INT-ET (Comm Failure)
USB Connection detected
NTP Time Sync
System time change
Table 4.5 Default Settings for the Graphical Display
Level vs. Time Graphs
20 dB to 140 dB
Frequency Spectra, Normal Range
20 dB to 140 dB
Frequency Spectra, Low Range
-10 dB to 110 dB
