MARINE
INSTRUCTION
P r e s s t h e
AUTO
k e y . The i n d i c a t i o n shown below w i l l
b e d i s p l a y e d a n d t h e a u t o s e a - c l u t t e r s u p p r e s s i o n
mode
w i l l b e
s e t .
A t
t h e
s a m e
t i m e , t h e a u t o g a i n c o n t r o l mode
w i l l
b e
s e t .
E v e r y p r e s s i n g o f t h e AUTO k e y , t h e f u n c t i o n
a n d d i s p l a y
w i l l
c h a n g e "AT 1" a n d "AT
2 "
a l t e r n a t e l y .
The G A I N a n d / o r t h e FTC
c a n
be
u s e d w i t h manual c o n t r o l
t o g e t h e r w i t h t h e AUTO mode.
P r e s s t h e STC k e y t o r e t u r n t h e manual c o n t r o l mode.
AT 1
I n d i c a t e s t h e a u t o
STC
a n d
a u t o g a i n mode
i s
s e l e c t e d .
The f u n c t i o n s
of
AUTO
a r e
as
f o l l o w s ;
AT
1
:
Use t h i s mode t o watch t h e c o a s t - l i n e
i n
t h e
c h a n n e l ,
or
t o
watch t h e s e a w i t h many
s m a l l
i s l a n d s
a r o u n d y o u r s h i p . A l s o u s e t h i s mode i n t h e h a r b o r .
i n t h e manual mode.
T h i s mode
i s
s i m i l a r
t o t h e "low
S T C
a n d low
G A I N "
s t a t e
AT
2
:
Use t h i s mode t o s u p p r e s s t h e
sea
c l u t t e r i n t h e
open s e a .
T h i s mode
i s
s i m i l a r t o t h e " h i g h
on s e a
s t a t e )
a n d h i g h G A I N " s t a t e i n t h e manual mode.
n o t e : To s u p p r e s s t h e l o n g - r a n g e
c l u t t e r , u s e
t h e manual FTC a n d / o r
G A I N
c o n t r o l w i t h
AUTO
mode.
P r e s e t t i n g t h e
l e v e l
"AT
1"
a n d
"AT
l e v e l c a n b e
s e t
by u s i n g f o l l o w i n g
p r o c e d u r e s .
1. S e t t h e AUTO mode t o
"AT
1"
o r
"AT
t o c h a n g e t h e
l e v e l .
To c h a n g e t h e
"AT
1"
l e v e l ,
s e t
t h e r a n g e s c a l e more t h a n
0 . 7 5
NM.
2 .
P r e s s
a n d h o l d
" B R I L L I A N C E "
k e y
t o
e n t e r
t h e SETUP
M E N U .
3.
P r e s s a n d h o l d t h e
AUTO
key, a n d p r e s s t h e "RANGE-UP"
key d u r i n g t h e b u z z e r
i s
s o u n d i n g . The s e t t i n g l e v e l s
a r e
d i s p l a y e d on t h e
s c r e e n
as
f o l l o w s ;
7 )
7
AT
2
5 )
5
4 .
When change t h e "AT
t u r n t h e e n c o d e r knob t o c h a n g e
t h e l e v e l . The "AT
l e v e l c h a n g e s t h e
AUTO- GAIN
p r e s e t
l e v e l ( n o t
t o
change t h e
AUTO-STC
l e v e l ) .
5 .
When change t h e
"AT
2" ,
p r e s s t h e
"RANGE-DOWN"
k e y
t o
d i s p l a y t h e u n d e r l i n e t o "AT
2 " .
Then t u r n t h e e n c o d e r
knob t o c h a n g e t h e
l e v e l ( n o t t o c h a n g e t h e AUTO-
G A I N
l e v e l ) .
6.
P r e s s
t h e TRANSMITT k e y t o r e t u r n t h e n o r m a l d i s p l a y .
2 - 5
Summary of Contents for RA771UA
Page 1: ...SIMRAD MARINE RADAR RA771UA INSTRUCTION MANUAL PIN 855 106335 ...
Page 2: ...INSTRUCTIONMANUAL FOR MAFUNERADAR TYPE RA771UA ANRITSU CORPORATION MAY 92 ...
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