Simrad RA771UA, Instruction Manual

Page: 17 / 46

2 . 1 6 . 2 R e t u r n t o t h e Radar Mode
P r e s s t h e o p e r a t e k e y . The r a d a r p i c t u r e emerges.
2 . 1 6 . 3 D e s c r i p t i o n of Each S e t u p Mode
(1)
SYSTEM
CHECK
a t
v a r i o u s s e c t i o n s
a r e
a p p r o p r i a t e . I f t h e y
a r e
n o r m a l ,
"OK"
i s d i s p l a y e d a s shown b e l o w . O t h e r w i s e , " NG" i s
d i s p l a y e d .
MEMORY CHECK
T h i s mode
i s
f o r c h e c k i n g w h e t h e r v o l t a g e a n d s i g n a l s
ROM 629205 OK
RAM
OK
NVRAM OK
SIGNAL CHECK
TRIGGER
(2) SHF
(3)
AZIMUTH
(4)
VIDEO
(5)
+5v
(6)
(7) H.T.
OK
OK
OK
OK
OK
OK
OK 300
V
( 2 ) DISPLAY PRESET
T h i s mode i n i t i a l i z e s t h e s e t t i n g s o f t h e v a r i o u s
f u n c t i o n s . S e l e c t
a
d e s i r e d
i t e m
w i t h t h e r a n g e
k e y s a n d a d j u s t w i t h t h e c o n t r o l knob. See F i g u r e b e l o w .
DISPLAY PRESET
A. UNIT
B.
BUZZER VOLUME
C. PICTURE HOLD
D.
SHF
FLASH
E. PARALLEL CURSOR
NORTH MARK
G
STC CURVE (NORM
3)
NM SM
LOW
OFF
ON
OFF
ON
ON
3"
Note;
*
Changing f i g u r e s f o r s e t t i n g l e v e l a r e 0 t o 5, a n d
t h e s m a l l e r f i g u r e shows t h e d e e p e r c u r v e o f S T C .
When many s e a - c l u t t e r r e m a i n s a t n e a r r a n g e e v e n
t h o u g h a d j u s t i n g manual STC, a d j u s t t h e STC CURVE t o
s m a l l e r f i g u r e .
When many s e a - c l u t t e r r e m a i n s a t t h e f o r r a n g e ,
a d j u s t t h e
S T C
l a r g e r f i g u r e .
( 3 )
KEY
ASSIGNMENT
t h e u s e r s t o s e l e c t d e s i r e d f u n c t i o n s .
E i g h t f u n c t i o n s among t h e f u n c t i o n s below
c a n
b e p r e s e t .
The p a n e l k e y s on t h e l e f t - h a n d c a n b e c h a n g e d f o r
2 - 1 1