12
13
getting star
ted
Display
options
battery indicator
recording indicators
event fl ag
measurement
bar graph
numeric
over-range
under-range
units
alert
Display
Explanation
headphone measurement - user specifi es headphones worn
battery indicator (each bar = 4 hrs, fl ashes when charging,
stops fl ashing when charging complete)
soundBadge not currently recording a measurement
soundBadge currently recording a measurement
getting star
ted
Display
Explanation
event fl ag (e.g. vibrational shock detected during recording)
diff erence between prior calibration and acoustic signal
noise dose in units proportional to energy (pascals
2
• hrs)
noise dose in % of daily allowed dose (typ. 85 dBA, for 8 hrs)
on
DOSE
page noise dose units are equivalent dBA
normalized to 8 hr workday. On
LEVEL
page, A-weighting.
units for LEVEL are C-weighted with fast time constant
indicates a count of events above selected dB Cpk
fl ashes to indicate dose has exceeded daily limit
autorange 30 dB bargraph, for
LEVEL
each bar = 1 dB. On
TIME
pages it indicates memory storage each bar = 2 hrs.
under-range indicator for levels below 55 dBA. On
TIME
or
ELAPSED TIME
pages it indicates count-down timer.
latching over-range indicator, latches above 143 dBCkp. On
TIME
or
ELAPSED TIME
pages it indicates count-up timer
Display
