BRUEL & KJAER 4448 Manual De Instrucciones página 7

review MeasUreMent data
When Type 4448 is not measuring, the
screen will cycle through status information
and data from the previous measurement
run. The data displayed will depend on the
configuration of Type 4448, either ISO or
OSHA data. The data shown is displayed to
the left.
iSO OSha
to freeze the display
10Hrs 10Hrs
MEMORY 80Hrs MEMORY 80Hrs
13:45:03 13:45:03
 
LAF 112.3 dB LAS 109.3 dB
DURATION DURATION
07:45:12 07:45:12
LAEQ 89.9 LAVG 111.4
LCPK 101.4 dB LZPK 119.4 dB
PA Hrs OSHA DOSE
2
Press the 'R' key on any of these screens and
3.20 4.3 %
the display will freeze for 10 seconds and
PROJ DOSE PROJ DOSE then resume.
352.5 % 352.5 %
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
dOwnlOad data tO pC
to download data to a pC
1. Ensure the infra-red download
adaptor (AO-1492) is connected to
the USB port of your PC and Type
4448 is sufficiently charged.
2. Start Type 7825 Protector software
on the PC and Type 4448.
3. Hold Type 4448's infra-red port near
to and facing the PC's infra-red
adaptor.
4. Start download sequence within
Type 7825 Protector and follow
instructions for downloading data.
error Messages
If any error messages occur during
the procedures described in this field
guide, please refer to troubleshooting
in the Type 4448 User Manual.
A flashing red LED indicates either low
battery or memory.
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