Radio Shack Sound Level Meter Owner's Manual page 14

Follow these steps to select the desired
response, weighting, and range.
1. Set
RESPONSE
source you want to measure consists
of short bursts or if you want to mea-
sure only peak values. Or, set
RESPONSE
measure average sound levels.
2. Set
WEIGHTING
measure noise level or
to measure sound levels of musical
material.
3. Set
RANGE
) then adjust it downward until
dB
there is significant deflection of the
needle. For the greatest accuracy,
always use the lower of any two pos-
sible settings.
For example, if
and the meter reads
to
RANGE
, for an actual sound level of 73
+3
dB.
Important: For meaningful readings,
any particular sound to be measured
must be at least 10 dB louder than
the background noise level.
14
to
FAST
to if you want to
SLOW
to if you want to
A
C
to the highest setting (
is set to
RANGE
so the meter reads
70 dB
Controls
if the sound
if you want
120
80 dB
–5 , reset