Anritsu RA77OUA, Инструкция по эксплуатации

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1. GENERAL
1.1 Introduction
The
Marine
R a d a r
i s
a marine n a v i g a t i o n a l
p u l s e r a d a r w i t h 4kW peak power o u t p u t f o r s m a l l and
medium-sized v e s s e l s . The D i s p l a y
U n i t u s e s a 10- inch
CRT
t o d i s p l a y monochrome p i c t u r e images a t f o u r d i f f e r e n t
b r i g h t n e s s l e v e l s .
r e c e n t l y d e v e l o p e d by A n r i t s u C o r p o r a t i o n .
Many v e r s a t i l e advanced t e c h n o l o g i e s , such
microcomputer,
a n
L S I e x c l u s i v e l y d e s i g n e d f o r v i d e o
s i g n a l p r o c e s s i n g , h i g h - i n t e g r a t e d have been
i n c o r p o r a t e d
i n
t h e
radar c i r c u i t r y .
i n t e n s i t i e s of s i g n a l s r e f l e c t e d from t a r g e t s can
be
d i s p l a y e d a t f o u r d i f f e r e n t b r i g h t n e s s l e v e l s .
I n a d d i t i o n , v a r i o u s a u t o m a t i c f u n c t i o n s , v i d e o image
e x p a n s i o n , o f f - c e n t e r i n g , p l o t t i n g , e l e c t r o n i c c u r s o r , and
o f f s e t a r e p r o v i d e d .
a . High R e s o l u t i o n and Sharp P i c t u r e
r a n g e s . T h i s u n i q u e o u t s t a n d i n g f e a t u r e has been a c h i e v e d
by u s i n g a " c l e a n p i c t u r e " c i r c u i t , t h a t i s a high
r e s o l u t i o n c i r c u i t d e v e l o p e d by A n r i t s u .
b . Automatic Sea C l u t t e r S u p p r e s s i o n and Auto Gain
C o n t r o l
(AUTO)
I n a d d i t i o n t o h a v i n g c o n v e n t i o n a l s e a c l u t t e r
s u p p r e s s i o n , t h i s r a d a r h a s a newly-developed a u t o m a t i c
s e a c l u t t e r s u p p r e s s o r .
has a n a u t o m a t i c g a i n c o n t r o l f o r e a s y o p e r a t i o n .
Automatic Tuning
e l i m i n a t e s t h e p o s s i b i l i t y of m i s s - t u n i n g o r f u n c t i o n
l o w e r i n g of g a i n .
Rain, C l u t t e r S u p p r e s s i o n
newly- developed FTC
c i r c u i t .
A s a r e s u l t , t h e of
t a r g e t s h a s been g r e a t l y improved.
I t
i s
one of a s e r i e s o f digital marine-radars
1.2 F e a t u r e s
A s
a r e s u l t , r a d a r v i d e o images can be s t o r e d and t h e
P i c t u r e r e s o l u t i o n
i s
e x c e l l e n t a t s h o r t and medium
And n o t o n l y a s e a c l u t t e r s u p p r e s s o r , t h i s new r a d a r
To m a i n t a i n optimum g a i n a t a l l t i m e s , a u t o - t u n i n g
Echoes from r a i n
or
snow a r e s u p p r e s s e d by A n r i t s u ' s
O f f - C e n t e r i n g
Your s h i p ' s p o s i t i o n i n t h e p i c t u r e can be
c e n t e r e d from t h e s c r e e n
c e n t e r . The o f f - c e n t e r e d p o s i t i o n
can be s e t t o e i t h e r p o s i t i o n of 6 0 % forward or
6 0 %
backward
.
s i z e .
T h i s r e s u l t s i n t h e e f f e c t i v e u s e of t h e d i s p l a y
E l e c t r o n i c C u r s o r s
:
Markers
T h i s r a d a r
c a n
d i s p l a y two E B L s and two
E l e c t r o n i c Bearing L i n e s and V a r i a b l e Range