IVIE IE-10A, Руководство владельца и оператора

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SENSITIVITY SWITCHES. The s e n s i t i v i t y switches add gain i n
steps ( t o a t o t a l of t o t h e analyzer f r o n t end which changes t h e
measurement range. To analyzer t h e absolute values
o f t h e two s e n s i t i v i t y s w i t c h s e t t i n g s as shown i n t h e t a b l e below.
S E N S I T I V I T Y
Table 1
PREAMP OUTPUT. The has a bui
t
i n , low- noise preamp c i r c u i t
w i t h gain a d j u s t a b l e i n t e p s t o a maximum o f 80 dB. u t t o t h e
p r e a m p l i f i e r i s phono j a c k
,
t h e output i s phono j a c k
d e t a i l s and a p p l i c a t i o n s r e f e r t o t h e manual s e c t i o n about
BATTERY STATUS INDICATOR. T h i s LED i n d i c a t o r has two important
f u n c t i o n s .
It
l i g h t s when t h e i s being charged, thus p r o v i d i n g
i n d i c a t i o n o f a p r o p e r l y w o r k i n g b a t t e r y charger.
I t s
second f u n c t i o n
i s p r o v i d i n g i n d i c a t i o n o f b a t t e r y l e v e l .
I t
i l l u m i n a t e s when t h e N i -
Cad b a t t e r i e s a r e low and r e q u i r e charging.
BATTERY CHARGER JACK. T h i s j a c k i s provided t o recharge t h e N i -
Ca b a t t e r i e s i n t h e u s i n g t h e model IE-165A
SIGNAL INPUT JACK. The j a c k marked "IN" i s t h e signal p o r t
t o e used w i t h t h e i n p u t s w i t c h s e t t o Having an i n p u t
o f 100 K ohms, t h i s e x t e r n a l i n p u t
w i l l
accept most of t h e
microphones and s i g n a l generators a v a i able i n t h e market today.
MODE SELECTOR. P o s i t i o n s "A" and s e l e c t f i l t e r s f o r Sound
Level Meter a p p l i c a t i o n s , and "OCT" s e l e c t s t h e t e n octave bandwidth
f i l t e r s f o r Spectrum Analyzer o p e r a t i o n . I n t h e "OCT" mode the
has two s e l e c t a b l e d e t e c t o r responses, one f o r pink noise measurements
and t h e o t h e r f o r
P i n k noise averaging i s a c t i v a t e d
s w i t c h i n g t h e mode f i r s t t o " C"
and then t o "OCT." The monitoring
response i s a c t i v a t e d by s w i t c h i n g t h e mode t o "A" and then t o
The m o n i t o r i n g d e t e c t o r response i s a c t i v a t e d when t h e power i s f i r s t
turned on.
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