4
Controls and Functions
Front View
S t a r t
S t o p
S t o r e M o d e
P a u s e
C o n t
F a s t
S l o w
M e n u P a g e
R a n g e
R e c a l l
F r e q
L i g h t P r i n t
P o w e r
S O U N D L E V E L M E T E R
R e c a l l d a t a
D o w n
C a l a d j
C a l
U p
A C F L A T
N L - 2 1
M i c r o p h o n e / p r e a m p l i f i e r
D i s p l a y
O p e r a t i o n k e y s
H a n d s t r a p
Microphone/preamplifier
The microphone and preamplifier are configured as an integrated assembly.
The assembly can be removed from the sound level meter and connected via
an optional extension cable, for measurements a distance.
Display
This backlit LCD shows the sound level as a numeric reading and a bar graph.
The display also shows the operation mode of the sound level meter, the selected
measurement parameters, warning indications etc.
Hand strap
Makes the unit easy to carry and hold on your palm.
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