Garmin GPSMAP 78sc Owner's Manual - Page 41

Maximizing Battery Life, Using the Battery Save Option, Decreasing the Backlight

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Radio frequency/ protocol GPS accuracy DGPS Altimeter 2.4 GHz/ANT+ wireless communications protocol < 33 ft. (10 m) 95% typical use GPS is subject to accuracy degradation to 100 m 2DRMS under the U.S. DoD imposed Selective Availability (SA) Program when activated. From 10 to 16 ft. (from 3 to 5 m) 95% typical (WAAS accuracy in North America) 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. Appendix 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. GPSMAP 78 Series Owner's Manual 37

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GPSMAP 78 Series Owner’s Manual
37
Appendix
Radio
frequency/
protocol
2.4 GHz/ANT+ wireless
communications
protocol
GPS accuracy
< 33 ft. (10 m) 95%
typical use
GPS is subject to
accuracy degradation
to 100 m 2DRMS under
the U.S. DoD imposed
Selective Availability
(SA) Program when
activated.
DGPS
From 10 to 16 ft. (from
3 to 5 m) 95% typical
(WAAS accuracy in
North America)
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.