Sound Meter - Nokia 3250 User Manual

■ Sound meter

The sound meter lets you measure the noise level of the environment.
The sound meter provides general measurements for personal use that may vary
from scientific measurements.
Select Menu > My own
surroundings in units of dB.
Select Options and from the following:
Hold peak — The peak value is held in the measured maximum until you
exit the application.
Weighting options
environment, C weighting
Off to measure without a weighting algorithm
Dynamic peak — The current peak value is kept for 5 sec.
Reset peak — The current peak value is reset.
If the peak or current value is higher than 114 dB or lower than 50 dB
a > or < character is shown before the value.
> Sound metre
— Select A weighting
to simulate the ear in a quiet environment, or
to display the noise level of your
to simulate the ear in a noisy
M y o w n
73