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7
. OPERATING PROCEDURE
①
Power on the meter.
②
Press ‘LEVEL’ button to select desired level, base
on ‘UNDER’ or ‘OVER’ do not appear on LCD.
③
Select ‘dBA’ for general noise sound level and ‘dBC’
or measuring sound level of acoustic material.
④
Select ‘FAST’ for instant sound and ‘SLOW’ for
average sound level.
⑤
Select ‘MAX/MIN’ button for measuring maximum
and minimum noise level.
⑥
Hold the instrument comfortable in hand or fix on
tripod and measure sound level at a distance of
1~1.5 meter.
8.
NOTICE
i. Do not store or operate the instrument at high
temperature and high humidity environment.
ii. When not in use for long time, please take out the
battery to avoid battery liquid leakage and cautery
on the instrument.
iii. When using the instrument in the presence of wind,
it is a must to mount the windscreen to not pick up
undesirable signals.
iv. Keep microphone dry and avoid severe vibration.
9. Accessories:
①
installation CD
②
USB interface cable
③
screwdriver
