Rion NL-21 - Display Interpretation; Understanding the Display Screen

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Reading the Display
Display screen
The illustration below is for demonstration purposes only. In actual use, not
all display elements will be visible at the same time, and the size and font of
the display may differ.
S t a r t
U n
A u t o
C a r d
2 0
8 0
O v
1 / 3 o c t
1 k H z
F a s t
E
S t o p
S t o r e
S t a r t
m
1 / 3 o c t a v e f i l t e r
f r e q u e n c y i n d i c a t o r
F r e q u e n c y w e i g h t i n g
i n d i c a t o r
U n d e r - r a n g e i n d i c a t o r
B a c k - e r a s e O N i n d i c a t o r
P a u s e s y m b o l
M e a s u r e m e n t s y m b o l
B a t t e r y c a p a c i t y i n d i c a t o r
M e a s u r e m e n t t i m e i n d i c a t o r
E l a p s e d t i m e i n d i c a t o r
S t a r t i n d i c a t o r
S t o p i n d i c a t o r
S t o r e s t a n d b y i n d i c a t o r
A d d r e s s f i e l d
M e m o r y f i e l d
C a r d i n s e r t i o n i n d i c a t o r
L e v e l r a n g e i n d i c a t o r
B a r g r a p h
O v e r - r a n g e i n d i c a t o r
L e v e l r e a d i n g
T i m e w e i g h t i n g i n d i c a t o r
I n d i c a t e s 1 0 0 h o u r s h a v e e l a p s e d
F o r 2 0 0 h o u r s , " 2 " i s s h o w n
Measurement symbol
Flashes while a measurement is in progress and while data are being stored in
memory.
Pause symbol
Lights up when processing or storing is paused. In the paused condition, the
sound level reading is not updated.