Garmin 240 用户手册

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At the top left of the display you will find the Adjustment Bar and 

a variety of user-selectable information including Depth, Battery Voltage, 
Water Temperature, and Speed Over Water.  To provide data on Water 
Temperature and Speed Over Water, the Fishfinder 240 requires additional 
sensors capable of producing the particular data.

The Depth Scale and the Flasher Function are displayed from top to 

bottom along the right side of the display.  Messages and Alarm Icons are 
displayed along the bottom. 

 The Fishfinder 240 has three levels of display backlighting, Off, Low 

and High.  The backlight is activated by momentarily pressing the Power 
key.  To change the backlight level, press the Power key repeatedly.

 

If the unit is unable to track the bottom for any reason, the digits in the depth 

window will fl ash on and off to alert the user that the unit is not tracking the 
bottom. 

190-00155-10 Rev A.indd

08/16/00, 2:46 PM

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