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1. Tap the cogwheel icon to open the [Settings] menu then select [Sensitivity].
2. Tap the [White Marker] toggle box to select [ON]. The [Range] settings are now
selectable.
3. Drag the slider bar, or tap the keyboard icon to input a value.
The higher the number, the stronger echo is displayed in white. The selected color
is marked in white on the color bar.
8.10.2
White edge
The white edge feature displays the leading edge of the bottom echo in white to help
you distinguish bottom fish from the bottom echo.
1. Tap the cogwheel icon to open the [Settings] menu then select [Sensitivity].
2. Tap the [White Edge] toggle box to select [ON] or [OFF] as required.
8.11
How to Balance Echo Strength
A school of fish at a depth deeper than a school of equal strength in shallow water ap-
pears in weaker colors. This condition is caused by the attenuation of the ultrasonic
wave. To display the schools of fish in the same colors, use the TVG. The TVG auto-
matically adjusts the gain with depth so that echoes of the same strength at different
depths are shown in the same colors.
1. Tap the cogwheel icon at the bottom-left of the fish finder screen. The quick set-
tings menu appears.
2. Drag the slide bar at [TVG Range], or tap the keyboard icon to input a value.
3. Close the menu.
8.12
Zero Line
The zero line rejection feature helps to find fish near the surface, often hidden by the
transmission line. When turned on, the transmission line disappears, which allows you
to better watch fish echoes near the surface. The length of the transmission line
changes with transducer used and installation characteristics.
1. Tap [Home] => [Settings] => [Fish Finder] => [Zero Line].
2. Tap the toggle box at [Zero Line Rejection] to show [ON].
3. If your transducer has a transmission line wider than 1.4 meters, tap [Zero Line
Range] to adjust the width of the area affected by this feature.
For a long tail, increase the value. If the transmission line does not disappear, low-
er the TX power.
4. Close the menu.
8.13
Picture Advance Speed
The picture advance speed controls how quickly the vertical scan lines move across
the screen. A fast advance speed expands the size of a school of fish horizontally on
8. FISH FINDER
8-7
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