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Sensitivity
Settings: Low = 1, High = 20; Default = 10
Sensitivity controls how much detail is shown on the display and will adjust
the sensitivity of all sonar frequencies.
When operating in very clear water or greater depths, increase the sensitivity
to see weaker returns that may be of interest. If the sensitivity is adjusted too
high, the display may become too cluttered.
Decrease the sensitivity to eliminate the clutter from the display that is
sometimes present in murky or muddy water. If Sensitivity is adjusted too low,
the display may not show many sonar returns that could be fish.
NOTE: The Sensitivity setting is a global setting and will adjust the sensitivity of all
sonar frequencies.
Upper Range
(Advanced: Sonar, Split Sonar, Circular Flasher,
and Big Digits Views only)
Settings: 0 to 990 ft or 0 to 397 m [International Models
only]; Default = 0
Upper Range sets the shallowest depth range that will be displayed on the Sonar,
Split Sonar, Circular Flasher, and Big Digits Views. Upper Range is often used with
Lower Range.
NOTE: A minimum distance of 10 feet will be maintained between the Upper and
Lower Range regardless of the manual settings entered.
For example, if you are only interested in the area between 20 and 50 feet deep,
you should set the Upper Depth Range to 20 and the Lower Depth Range to 50.
The Sonar View will then show the 30 foot area between 20 and 50 and will not
show the surface or the bottom (assuming the bottom is deeper than 50 feet).
Greater detail will be shown for the area between 20 and 50 feet.
Flasher X-Press™ Menu