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Adjustment Indicator
enhance the 160's ability to separate sonar targets and optimize the display
for maximum resolution follow these steps.
1. Make sure the 160 is operating in Automatic Mode.
2. Push the Range± Knob. An adjustment indicator appears at the lower
right corner of the chart window.
3. Turn the Range± Knob counterclockwise until the image of bottom is
close to the bottom of the LCD display but still shows the area you are
interested in.
Note: As the depth of the water increases, the 160 changes the
depth range to keep the bottom on-screen. The 160 uses a depth
range to keep the bottom contour close to the bottom of the
display.
To return the depth range to normal viewing,
turn the unit 'Off and back On again'. This is
the only way to 'reset' the depth range to
normal viewing.
To optimize the depth range for viewing the
second return follow these steps.
1. Make sure the 160 is operating in
Automatic.
USING THE 160
MODES OF OPERATION
The 160 selects the depth range best
suited to keep recent sonar returns
visible, however, the depth range can be
adjusted to optimize the display for
viewing the second return. The display
can also be optimized for maximum
display resolution, making it possible to
distinguish fish very close together or
close to the bottom.
When the image of the bottom does not
appear close to the bottom of the LCD
display, the 160 is not fully optimizing
the display to show sonar targets, such as
fish, that are very close together. To
Optimized Display
13
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