Castle group GA213 Manual page 11

CHANGING RANGE
A range change can be performed by the use of the UP/DOWN arrow buttons
while in any of the DISPLAY modes (instrument displaying LP dBA etc).
Press UP ARROW repeatedly until the required range comes into view, then
press OK to select.
The instrument will return to the LP screen.
>
Note: The symbol indicates the current selection as you move around the range
options.
FREQUENCY/ TIME WEIGHTING
A change to the frequency and time weightings can be performed by the use of
the MENU button.
Press MENU repeatedly until
Press OK and the instrument will display the options available for WTG SETUP.
To change WTG use either the up arrow or down arrow button. Pressing either
of these two buttons allows you to scroll through the four available weighting
choices, A SLOW, A FAST, C SLOW or C FAST.
>
Note: The symbol indicates the current selection as you move around the
weighting options.
GA213/215
GA213/215
WTG < OK is displayed.
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DISPLAY DESCRIPTION
93.7dBC Level Pressure (Lp)
LEQ 93.7 Displays the LEQ
00:01:33 Run time duration
Lmx 97.3 Maximum Lp
Pmx 98.8 Maximum Peak
DO % 67 Dose (dependent on exchange and criterion)
Pr % 0 Displays the projected DOSE assuming an 8 hour
shift
LEX 87.1 Displays the Lex (Lep'd)
Plx 78.6 Displays the projected Lep'd assuming an 8 hour
shift
Le 93.1 Sound Exposure Level (SEL)
Hr% Dose per Hour
Pa2 0.02 Indicates the energy that has been received in Pa
hours
OVERLOAD Indicates if an OVERLOAD has occurred
—–.— Indicates when values are at 0 e.g. when instrument
is first powered on or after a reset in PAUSED mode.
INSTRUMENT
GA213/215
GA215
All
GA215
GA213/256
GA256
GA256
GA215
GA256
GA215
GA256
GA256
2
All
All
7