3-16 Tab and Setting Displays Model 831 Manual
• OBA (optional): used to setup the real-time octave band
frequency analysis
• Dosimeter 1 (optional): used to setup the parameters for
the measurement of sound exposure and noise dose
• Dosimeter 2 (optional): used to setup the parameters for
the measurement of sound exposure and noise dose
• Ln: used to define the parameters for the measurement
of Ln statistics
• Control: used to setup the mode of measurement timing
and the storage of measurement history records
For more information on the
Measurement Settings tabs and their
associated pages, see Chapter 4 on
Page 4-1.
• Time History (optional): used to setup the timing and
select the metrics that are stored in the time history
• Triggers: used to setup the triggers which define noise
exceedance events
• Event History (optional): used to setup the timing and
options for event details
• Markers: used to define the marker names and enable
sound recorder options
• Day/Night: used to define the time periods and level
penalties for community noise metrics
• Sound (optional): used to set the quality of sound
recording and enable its usage
• Weather: used to setup external transducers for the
measurement of wind speed, wind direction, temperature
and humidity
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