Garmin GPSMAP 278 - Manual (Page 6)

Caring for the GPSMAP 278
The GPSMAP 278 case is constructed of high quality materials and
does not require user maintenance except cleaning.
Cleaning the Case
Clean the unit’s outer casing (except for the screen) using a cloth
dampened with a mild detergent solution and then wipe dry. Avoid
chemical cleaners and solvents that may damage plastic components.
Cleaning the Screen
The GPSMAP 278 screen should be cleaned using a soft, clean, lint-
free cloth. Water, isopropyl alcohol, or eyeglass cleaner can be used
if needed. If these are used, apply the liquid to the cloth and then
gently wipe the screen with the moistened cloth.
Storage
Do not store the GPSMAP 278 where prolonged exposure to
temperature extremes may occur (such as in the trunk of a car) as
permanent damage may result. User information, such as waypoints
and routes are retained in the unit’s memory without the need for
external power. It is always a good practice to back up important
user data by manually recording it or downloading it to a PC
(transferring it to MapSource).
Water Immersion
The GPSMAP 278 is waterproof to IEC Standard
60529 IPX7. It can withstand immersion in 1 meter of water for 30
minutes. Prolonged submersion can cause damage to the unit. After
submersion, be certain to wipe and air dry the unit before reuse or
charging.
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