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4. Use ▲ or ▼ to choose Off, Tone or
Mesh as appropriate. “Mesh” paints
the white line in darker tone than
“Tone.”
5. Press the [MENU/ESC] key to close
the menu.
52.6
White Line OFF
White Line ON (Mesh)
Fish school
clearly shown
White line
0
20
40
60
80
0
50k
1/1
52.6
0
20
40
60
80
0.0
0
50k
1/1
How white line works
DEEP GAIN
“Deep Gain” compensates for
propagation attenuation of the ultrasonic
waves. It does this by equalizing echo
presentation so that fish schools of the
same size appear in the same density in
both shallow and deep waters. In
addition, it reduces surface noise.
1. Press the [MENU/ESC] key to open
the main menu.
2. Use ▲ or ▼ to choose DEEP GAIN
from page 1 of the menu.
3. Press ► to show to the options
window.
4. Choose Low, Medium, or High as
appropriate. High provides the
greatest degree of gain reduction
against short range echoes.
5. Press the [MENU/ESC] key to close
the menu.
Page 2
TRIP RESET
This item resets trip distance to “0.”
1. Press the [MENU/ESC] key to open
the main menu.
2. Use ▲ or ▼ to choose TRIP
RESET? from page 2 of the menu.
3. Press ►.
4. Press ▲ to reset trip distance.
Beeps are generated while the trip
distance is being reset.
5. Press the [MENU/ESC] key to close
the menu.
Note: To reset the odometer to zero,
clear the memory.
GAIN ADJ 200, GAIN ADJ 50
If the gain is too high or too low, or the
gain for the low and high frequencies
appears unbalanced, you can
compensate it as follows:
1. Press the [MENU/ESC] key to open
the main menu.
2. Use ▲ or ▼ to choose GAIN ADJ
200 or GAIN ADJ 50 from page 2 of
the menu.
3. Press ► to show to the options
window.
4. Use ▲ or ▼ to set the amount. The
setting range is –50 to +50.
5. Press the [MENU/ESC] key to close
the menu.
DRAFT
The default depth display shows the
distance from the transducer. If you
would rather show the distance from the
sea surface, set your ship’s draft as
follows:
1. Press the [MENU/ESC] key to open
the main menu.
2. Use ▲ or ▼ to choose DRAFT from
page 2 of the menu.
3. Press ► and then use ▲ or ▼ to set
draft. The setting range is –15.0 to
+50.0 (meters, feet).
4. Press the [MENU/ESC] key to close
the menu.