Garmin 240 Fish Finder User Manual


 
10
Unit Operation
Keypad Functions
Arrow Keys
The ARROW keys are used to select items on the Adjustment Bar and
Setup Menu and to change fi eld data.
Enter Key
The ENTER key is used to activate/deactivate the Adjustment Bar and
Setup Menu data fi elds for review or change.
Setup Key
The SETUP key is used to activate/deactivate the Setup Menu.
Power and Backlight Key
The POWER key is used to turn the unit on/off and to activate the
display backlight. Press and hold to turn the unit on or off.
Pressing the POWER key briefl y will activate the Backlight Adjustment
Window. The backlight has three settings: ‘Off’, ‘User Defi ned’ and ‘Full
Brightness’. With the Backlight Adjustment Window displayed and the
backlight ‘Off’, pressing the POWER key will cycle the backlight to the
‘User Defi ned’ setting. Pressing it again will cycle the backlight to its
maximum brightness. Pressing it again will turn the backlight ‘Off’.
With the Backlight Adjustment Window displayed, press the Up or
Down ARROW key to set the ‘User Defi ned’ level. This will increase
or decrease the backlight brightness. When the backlight is adjusted
to your desired setting, press the ENTER key to hide the adjustment
window.
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