Graco NUVIFONE M10 - Manual (Page 27)

Why won’t my
device turn on?
Charge the battery. See page 4 .
Replace the battery. See the owner’s manual.
Why won’t my
device charge?
Replace the fuse in the vehicle power cable. See the
owner’s manual.
As a safety precaution in high temperature environments,
the device will suspend charging and use battery power.
If the device is mounted in a vehicle, remove the device
from the mount and place it out of direct sunlight.
How can I avoid
deleting the map
file?
In Mass storage mode, do not delete or format the original
directories, such as Garmin and Documents. Do not delete
files for which you do not know the purpose.