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6. General Maintenance
Do not store or operate the device in locations where the
device will be exposed to direct sunlight for extended periods
of time.
The device may only be opened and repaired by qualified
personnel.
Only clean the sensitive lenses with a lens cleaning cloth or
use compressed air for cleaning.
6.1. Charging the battery
The device has a rechargeable Li battery.
If the battery is empty, an icon appears in the display.
Charge the battery with the included USB cable to a USB
interface or a commercially available USB charger.
Remove the USB cable after charging
6.1. Care of the battery
Do not charge the device for more than 24 hours
Charge the battery for about 2 hours at least every three
months to increase the life of the battery
Do not charge the battery in extremely cold environments
