Anritsu RA77OUA, Инструкция по эксплуатации

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( 1 3 ) R e c e i v e r Tuning:
I n d i c a t e d by bar- graph marks on
CRT
by
microcomputer c o n t r o l
9CD-3349 (10
I n t e r - c o n n e c t i o n Cable:
Range 0 . 1 2 5 0 . 2 5 0 . 5 0.75 1 . 5 3 6 12
2 4
S c a l e
Ring 0.0625 0 . 1 2 5 0.25 0.25 0.25 0 . 5
1
2
4
I n t e r v a l
Number o f 2 2 2 3 6 6 6 6 6 6
R i n q s
6 . 1 . 3 D i s p l a y U n i t
D i s p l a y system:
( 2 )
CRT:
10- inch r e c t a n g u l a r monochrome
CRT
Range s c a l e and r a n g e r i n g s :
P P I p r e s e n t a t i o n on r a s t e r - s c a n b a s e
36
6
V a r i a b l e Range Markers
:
Numerical D i s p l a y : Four d i g i t s
Accuracy
:
Within + / - 1 . 5 % of s e t t i n g
range,
or meters,
whichever g r e a t e r
U n i t
: NM SM ( s e l e c t a b l e )
i s
s e l e c t a b l e a t
SET UP
L i n e s :
mode.
S t e p s : 0 . 2 d e g r e e s t e p s
:
EBL2
i s
s e l e c t a b l e a t
S E T UP
mode.
D i s p l a y Modes:
Heading Up:
nu
Following d i s p l a y modes a r e s e l e c t a b l e a t
S E T
UP
mode.
Head S e t :
H S
North Up:
NU
Course Up:
(The
*
mark modes a r e a v a i l a b l e o n l y when compass
i s
c o n n e c t e d .
D i s p l a y b r i g h t n e s s o f e c h o e s : Four l e v e l s
O f f - c e n t e r i n g :
60% forward o r
60% backward of t h e s e t t i n g range
Guard Zone:
S e t t i n g range:
0.5
NM
o r more
S e t t i n g b e a r i n g : Approx.6 d e g r e e s t e p s
S e t t i n g a r e a : S e l e c t a b l e from f o u r p a t t e r n s
Zone width:
0 . 4 NM
( f i x e d )
I n t e r f e r e n c e R e j e c t o r B u i i t - i n
6 . 1 . 4
I n t e r f a c e S i g n a l s
Output r a d a r s i g n a l s f o r Radar M o n i t o r .
( a ) Video s i g n a l : Negative p o l a r i t y
Raw s i g n a l from LOG I F a m p l i f i e r
Max.3 Vp-p,
50 ohm
Radar
t r i g g e r : P o s i t i v e p o l a r i t y
1 0 Vp-p, 1 . 2 p u l s e width
50 ohm
1080 ( 2 0 0 , 360, o r 2048)
E e a r i n g S i g n a l : TTL l e v e l p u l s e
..-
ion
6 - 2