Garmin 278 Manual De Usuario

Twilight Adjustment—allows the unit to adjust the backlight for 

optimum viewing during twilight times. 
Highway Page—indicates whether the Highway Page appears in the 

main page sequence. 
Compass Page—indicates whether the Compass Page appears in the 

main page sequence. 
Backlight Intensity—turns the backlight up or down. Press right on 

the ROCKER to increase the intensity or left to decrease. 

Use the Sound tab to customize the sounds made by your  

GPSMAP 278.

Beeper—set the beeper to chime during key presses and 

alarms (

Key and Alarm) or on Alarms Only. 

Attention Tone—turn the attention tone on or off that sounds 

before the vocal prompts. 
Voice Prompt—set the vocal prompt to operate for Guidance 

and Status, Route Guidance Only, or No Voice Prompts.
Voice Language—set the language for vocal prompts. 
Speaker Volume—set the external speaker volume.

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