4
functions
On the digital sound level meter there are the
following controls:
1) on/off switch. Turn on the measuring device by
pressing this button. Pressing it again will turn off
the device
2) max button. will freeze the display reading to
the maximum level, measured since this button
was pressed. The reading will be updated when
the indicated value is surpassed.
3) up and down arrow buttons. will increase or
decrease the measuring range in 6 steps where
each step covers a range of 50dB. a next step will
set the measuring range to the total of 30 - 130 dB
4) A/C. switches between A-curve and C-curve
5) light button. will turn on and off a backlight in
the display to facilitate reading in a dark
environment.
6) fast / slow. switches between indicating an
average level measured during a time interval of
5 mili-second or 500 mili-second
