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The table below is a breakdown of all the possible display parameters with a
brief description. Please see the previous tables to determine which
parameters your instrument displays.
Display
Description
LAF 93.7
Frequency and Time Weighted Sound Pressure Level.
LAF = A Weighted, Fast
LCF = C Weighted, Fast
LAS = A Weighted, Slow
LCS = C Weighted, Slow
LAq 93.7
Displays the Frequency Weighted Leq
LAq = A Weighted Leq
LCq = C Weighted Leq
Amx 97.3
Maximum rms Sound Pressure Level – Freq Weighted
Amx = A Weighted Max Level
Cmx = C Weighted Max Level
Cpk 100.3
Maximum Peak Level Reached – Freq Weighted (Fixed)
Cpk = C Weighted Peak Level (All except GA257B)
Zpk = Flat or Linear Weighted Peak Level (GA257B Only)
00:01:33
Run time duration of REC MODE (Elapsed Time)
hh:mm:ss
Lep 87.1
Displays the Lep,d based on the selected Exposure Time
LAe 93.1
Sound Exposure Level - Freq Weighted
LAe = A Weighted Sound Exposure Level
LCe = C Weighted Sound Exposure Level
Do% 27.2
Dose (dependent on exchange and criterion)
Hr% 53.2
Dose per Hour
P2h 0.02
Indicates the energy that has been received in Pascal
Squared Hours
O.L. NO
O.L. YES
Overload latch that indicates if an OVERLOAD has occurred
(Can only be reset by pressing the ‘C’ key)
—–.—
Indicates when values are 0 or significantly lower than the
bottom of the current range selected e.g. when instrument
is first powered on or after being reset whilst in STOP
mode.
