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• Do not let a child operate the product without guidance. 
• Keep the small accessories contained in your product out of reach of small children in case 
of accidental swallowing.
• Before plugging or unplugging any cable, make sure that your hands are completely dry.
• Do not hold the handset up to your ear when speakphone is on or when the ringer is ringing 
as the volumn can be very loud, which may be harmful to your hearing.
• During a thunderstorm, stop using the product and disconnect it from the power supply to 
avoid lightning strike.
• If the product is left unused for a rather long time, disconnect the base station from the 
power supply and unplug the power adapter.
• When there is smoke emitted from the product, or some abnormal noise or smell, discon-
nect the product from the power supply, and unplug the power adapter immediately.
• Remove the electrical cord from an outlet by pulling gently on the power adapter, not by 
pulling the cord.
 Battery Precautions
• Do not immerse the battery into water, which could short-circuit and damage the battery.
• Do not expose the battery to an open flame or leave the battery where it could be subjected 
to extremly high temperatues, which could cause the battery to explode. 
• Do power the handset off before removing the battery.
• Do not try to use the battery for the power supply of any device other than this handset.
• Do not open or mutilate the battery, released electrolyte is corrosive and may cause damage 
to your eyes or skin.
• Use only the rechargeable battery pack delivered with the handset or those rechargeable 
battery packs expressly recommended by Yealink.
• Defective or exhausted battery should never be disposed of as municipal waste. Return old 
battery to the battery supplier, a licensed battery dealer or a designated collection facility.
 Notices of Cleaning 
• Before cleaning the base station, stop using it and disconnect it from the power supply.
• Remove the battery before cleaning the handset to reduce risk of electric shock.
• Only clean your product with a piece of slightly moist and anti-static cloth.
• Keep the power plug clean and dry. Using a dirty or wet power plug may lead to electric 
shock or other perils.
Tel: +86-592-5702000
Fax: +86-592-5702455
Addr: 309, 3rd Floor, No.16, Yun Ding North Road, 
Huli District, Xiamen City, Fujian, P.R. China
Tel: +86-592-5702000
Fax: +86-592-5702455
Addr: 309, 3rd Floor, No.16, Yun Ding North Road, 
          Huli District, Xiamen City, Fujian, P.R. China
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