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4-1
4. INTERPRETING THE DISPLAY
This section provides, using typical examples, the information necessary for
interpreting the display.
20
40
60
80
0
49.6
m
Surface
noise
Color bar
Bottom
Zero line
Fish school
LF
1/1
0
0.0
Minute marker
Typical display
Minute Marker: The minute marker displays a minute worth of time with two
colored bars, each bar 30 seconds in time. It is useful for estimating elapsed
time.
4.1 Color Bar
The color bar shows the relation between echo intensity and echo color on the
screen. The top color (reddish-brown) is the strongest color and the lower colors
the weakest. The bar can be used as a reference to estimate density of a fish
school, fish species and hardness of the bottom. The background color can be
selected on the menu screen.
REDDISH-BROWN
RED
ORANGE
YELLOW
GREEN
LIGHT-BLUE
BLUE
DEEP BLUE
WEAK
STRONG
No Signal
49.6
m
Color bar