Sound tab – Garmin GPSMAP 496 User Manual
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GPSMAP 496 Owner’s Manual
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twilight adjustment—allows the unit to adjust the backlight for
optimum viewing during twilight times. 
Backlight timeout—sets the backlight to stay on when it is turned 
on, or to time out after a selected period of time has elapsed when
using the battery. The backlight stays on regardless of this setting
when external power is used. 
Highway page—enables the page and places it in the main page 
sequence. Available in Marine and Automotive Modes only.
Compass page—enables the page and places it in the main page 
sequence. Available in Marine and Automotive Modes only.
Backlight intensity—turns the backlight up or down. Press the 
roCKEr right to increase the intensity or left to decrease.
To restore the display to default settings:
1. Press
MENU twice to open the Main Menu.
2. Highlight
Display from the vertical list of tabs.
3. Press
MENU.
4. Highlight
Restore Defaults, and press ENTER.
Sound Tab
The Sound tab allows you to customize the sounds your
GPSMAP 496 makes to suit your needs.
To view the Sound tab:
1. Press
MENU twice to open the Main Menu.
2. Highlight
Sound from the vertical list of tabs.
Sound Tab
Beeper—sets the beeper to chime during key presses and alarms
(Key and alarm) or alarms only. 
attention tone—turns the attention tone that sounds before the 
vocal prompts on and off.