P r e s s
t h e r a n g e r i n g key o n c e
more t o erase t h e r a n g e
m a r k e r r i n g s .
2 . 6 . 2
T o
Measure A c c u r a t e
Ranges
r i n g a n d t h e i n d i c a t i o n below w i l l b e d i s p l a y e d o n t h e
b o t t o m of t h e s c r e e n .
Turn t h e c o n t r o l knob t o move t h e
t o
c o i n c i d e w i t h
the
t a r g e t
t o measure
t h e
a c c u r a t e
range from y o u r s h i p . P r e s s t h e
k e y o n c e
a g a i n t o
e r a s e t h e
VRM.
(To
erase
t h e
t h e
f u n c t i o n
must
be
selected a t t h e
moment.)
P r e s s t h e
key t o
s e l e c t
t h e v a r i a b l e r a n g e m a r k e r
2 . 7
2 . 8
2.9
S t r e t c h i n g Echoes
from
Target
for
Easy Target
O b s e r v a t i o n
t h e i n d i c a t i o n
i s d i s p l a y e d on t h e u p p e r - r i g h t
p o s i t i o n
of
t h e s c r e e n .
f r o m medium
or
l o n g r a n g e t a r g e t s
a r e t o o s m a l l f o r
o b s e r v a t i o n .
P r e s s
t h e
key o n c e more t o
r e l e a s e t h e
f u n c t i o n .
Press
t h e
k e y . The s t r e t c h i n g f u n c t i o n i s
s e t a n d
T h i s
s t r e t c h i n g f u n c t i o n
i s
m a i n l y u s e d when e c h o e s
P l o t t i n g Echo Track
from
Moving Targets
i n d i c a t i o n below
w i l l
b e d i s p l a y e d on t h e t o p - r i g h t of t h e
s c r e e n .
P r e s s
t h e
TRACK
key t o p l o t
echoes ( p i c t u r e ) a n d t h e
TRACK
The
t r a c k
of t a r g e t p i c t u r e i s d i s p l a y e d
o n t h e
s c r e e n . The t r a c k i n g t i m e c a n b e s e l e c t e d from
:
1 5
30
1
m i n . ,
3
m i n . ,
6
m i n . , a n d c o n t i n u o u s .
To e r a s e
t h e
t r a c k o f t a r g e t p i c t u r e , p r e s s t h e
TRACK
key more t h a n
3 s e c o n d s .
S e t t i n g Guard Zone around
Your Ship
p o s s i b l e c o l l i s i o n w i t h
o t h e r
s h i p s , f o r s u r v e i l l a n c e , a n d
warn a g a i n s t r u n n i n g a s h o r e .
T h e
g u a r d zone f u n c t i o n
i s
u s e d t o warn a g a i n s t
Press
t h e
key a n d t u r n t h e c o n t r o l knob
t o
s e t
t h e r a n g e of g u a r d z o n e .
P r e s s t h e
EBL
key a n d t u r n t h e c o n t r o l knob t o
s e t
t h e
EBL
d i r e c t i o n o f t h e g u a r d z o n e .
L
- 8
Содержание RA771UA
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