Garmin GPSMAP 78sc - Manual (Page 37)

GPSMAP 78 Series Owner’s Manual 33
Customizing Your Device
Altimeter Accuracy: ± 10 ft.
(± 3 m)*
Resolution: 1 ft. (.3 m)
Range: from -2,000 ft.
to 30,000 ft.
(from -610 to 9144 m)
*Subject to proper user
calibration.
Compass Accuracy: ± 2 degrees
(± 5 degrees in extreme
Northern and Southern
latitudes)
*Resolution: 1 degree
*Subject to proper user
calibration.
Maximizing Battery Life
Using the Battery Save Option
Use the battery save option to save
battery power and prolong battery life.
From the main menu, select Setup >
Display > Battery Save > On.
Decreasing the Backlight
Extensive use of screen backlighting
can significantly reduce battery life.
You can adjust the backlight brightness
and decrease the backlight timeout to
maximize battery power.
1 Quickly press to open the
backlight status page.
2 Use the rocker to adjust the
brightness.
adjusting the Backlight Timeout
From the main menu, select Setup >
Display > Backlight Timeout.
about the Batteries

warninG
See the Important Safety and Product
Information guide in the product box for
product warnings and other important
information.
The temperature rating for the device
may exceed the usable range of some
batteries. Alkaline batteries can rupture
at high temperatures. Alkaline batteries
lose a significant amount of their capacity
as temperature decreases. Use lithium