47
1rSOUNDER MODEqAVAILABLE SCREENS AND INDICATIONS
LH
FT
43.4
315
°T
10
.
2KT 58°F
GPS 48°21.417N 125°26.643W
Low frequency image High frequency image
(frequency specified
on the Sounder
Menu screen)
20
40
60
80
0
100
20
40
60
80
0
100
(1)-4 Dual screen The dual screen consists of high and low frequency images of the same contents
as the standard screen.
The frequency specified on the Sounder Menu screen is indicated on the right.
AUTO
H
FT
57.6
315
°T
10
.
2KT 58°F
z
x
c
v
b
GPS 48°21.417N 125°26.643W
20
40
60
80
0
100
(1)-3 Standard + A scope screen
The A scope image represents reflections from the sea bottom or a shoal of fish in
amplitude and color.
For common indications on differ-
ent screens, such as alarm range
marker, time mark and sensitivity
level, see section (1)-2 “Standard
screen”.
Indicated in red due to large amplitude
No change in color (background color) due to nothing detected
Small amplitude
Indicated in red due to large amplitude
Indicated in red due to large amplitude
zStrong reflection
(oscillation line)
xNo reflection
cWeak reflection (from fish)
vStrong reflection
(from sea bottom)
bStrong reflection
(secondary reflection)
For common indications on differ-
ent screens, such as alarm range
marker, time mark and sensitivity
level, see section (1)-2 “Standard
screen”.