AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 6)

Important User Information
DT412/DT422/DT432 6
Important User Information
Safety instructions
Save these instructions.
Read these safety instructions before use!
Recommendations
• Always keep and handle your products with care
and keep them in a clean and dust-free place.
Proper use and care will prolong the products life.
Use a soft absorbent tissue or cloth to remove
dust, dirt or moisture.
• Always ensure that the phone, battery and
charger are used and operated in the
environment for which they are designed.
• Operate the phone in temperatures between 0°C
to +40°C (32°F to 104°F).
• Do not expose your products to liquid,
moisture, humidity, solvents, strong
sunlight, harsh environments or
extreme temperatures, never above
+60°C (+140°F), unless the product
has been specifically designed and
officially approved for such environments.
• Exposure to heat may cause batteries
to leak, overheat or explode, resulting
in fire, burns or other injuries.
• Do not put the product in the
microwave oven: This may cause
damage to either the oven or the product.
• Do not attempt to disassemble or alter
any part of the phone, the charger(s)
or the battery-pack. Disassembly or
alteration may result in electrical
shock or irreversible damage to the
equipment. Only a qualified service
personnel or an authorized Aastra partner should
conduct internal inspections, alterations and
repairs.
• Do not expose your product to open flames or lit
tobacco products.
• Do not drop, throw or bend your products. This
may cause malfunction or electric shock.
• Do not paint your product.
• Do not use your product in an area where a
potentially explosive atmosphere exists, unless
the product has been specifically designed and
officially approved for such environments.
• To avoid hearing impairment, accept the call
before holding your product (or portable
handsfree device) to your ear.
Disposal of the product
• Your product should not be placed in
municipal waste. Please check local
regulations for disposal of electronic
products.