Humminbird 180 Fish Finder User Manual


 
Depth Range
(Setting Not Saved in Memory)
Press the POWER-MENU key until DEPTH RANGE appears. Automatic is the
default setting. When in automatic,thelowerrangewillbe adjustedby theunit
to follow the bottom. (Auto, 15 to 600 ft [PiranhaMAX™150/160], 15 to 800 ft
[PiranhaMAX™170/180/190c], Default =Auto)
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.
Zoom
(Setting Not Saved in Memory)
Press the POWER-MENU key until ZOOM appears. Select Auto to magnify the
area around the bottom in order to reveal fish and structure close to the bottom
that may not be visible during normal operation. WhenZOOM is set to Auto, the
upperandlowerDepthRangesareautomaticallyadjustedtokeeptheareaabove
and below the bottom on the display. Select Off to return to normal operation.
(Off, Auto, ManualRanges, Default =Off)
There is also a series of manual ranges which can be selected. The manual
depth ranges are determined by the present depth conditions.
Structure
Magnified Bottom
with MoreDetail
Lower
Zoom Range
Upper
Zoom Range
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