Maxcom MM-820 Manual page 30

gets wet, you should remove the battery and allow the unit to dry completely
before you replace it .
• Do not use or keep the unit in dusty, dirty environments . The unit's moving
parts and electronic components can be damaged .
• Do not keep the unit in warm places . High temperatures can reduce the
lifespan for electronic equipment, damage batteries and distort or melt
certain plastics .
• Do not keep the unit in cold places . When the unit warms up to normal
temperature, condensation can form on the inside which can damage the
electronic circuits .
• Do not try to open the unit in any other way than that which is indicated
here .
• Do not drop the unit . Do not knock or shake it either . If it is treated roughly
the circuits and precision mechanics can be broken .
• Do not use strong chemicals to clean the unit .
The advice above applies to the unit, battery,mains adapter and other
accessories . If the phone is not working as it should, please contact the place
of purchase for service . Don't forget the receipt or a copy of the invoice .
Warranty and technical data
This product is guaranteed for a period of 24 months from the date of
purchase . In the unlikely event of a fault occurring during this period, please
contact the place of purchase . Proof of purchase is required for any service or
support needed during the guarantee period .
This guarantee will not apply to a fault caused by an accident or a similar incident
or damage, liquid ingress, negligence, abnormal usage, non- maintenance or
any other circumstances on the user's part . Furthermore, this guarantee will not
apply to any fault caused by a thunderstorm or
any other voltage fluctuations. As a matter of precaution, we recommend
disconnecting the charger during a thunderstorm .
Batteries are consumables and are not included in any guarantee . This guarantee
does not apply if batteries other than original
batteries are used .
Specifications
Network: 900/850/1800 /1900 Quad Band