View; Depth Range; Sensitivity - Humminbird PiranhaMAX 197c Installation And Operation Manual

View selects a view to be displayed on the screen. See Changing the
On-Screen View for more information.
Depth Range sets the deepest depth range that will be displayed by the unit.
Auto: When in automatic, the lower range will be adjusted by the unit to follow
the bottom.
Manual: You can adjust the Depth Range to lock the unit on a particular depth.
NOTE: In manual operation, if the depth is greater than the depth range setting, the
bottom will not be visible on the display. Select AUTO to return to automatic operation.
Sensitivity controls how much detail is shown on the display.
Increasing the sensitivity shows more sonar returns from small baitfish and
suspended debris in the water; however, the display may become too
cluttered. When operating in very clear water or greater depths, increased
sensitivity shows weaker returns that may be of interest.
Decreasing the sensitivity eliminates 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.

View

Settings: Sonar, Down Imaging (197c DI only), Status

Depth Range

Settings: Auto, 15 ft to 600 ft (Sonar View only),15 ft to 320 ft
(Down Imaging View only); International Models: 5 m to 184 m
(Sonar View only), 5 m to 98 m (Down Imaging View only);
Default = Auto (Sonar View), Manual 30 ft (Down Imaging
View)

Sensitivity

Settings: 0 to 10; Default = 5, Setting Saved in Memory
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