Controls; Range - Radio Shack Sound Level Meter Owner's Manual

33-2050.fm Page 9 Monday, April 17, 2000 2:04 PM
ˆ

Controls

RANGE

CAL
OUTPUT
A C
WEIGHTING
RANGE
The selector lets you select one of
RANGE
seven sound level ranges, each spanning
16 dB. The numbers refer to the
RANGE
center points of the seven ranges. The
needle level indicator shows the actual
sound level as a displacement from the
center point. For example, if
to and the meter scale reads
80
actual sound level is 77 dB (80–3). If the
meter scale reads 0 (same as the value
where is set), the actual sound
RANGE
level is 80 dB (80+0).
Controls
SLOW FAST
RESPONSE
Level
Indicator
is set
RANGE
–3 , the
9