Replacing the battery
Follow the steps to replace the battery from the device:
  WARNING | 
               
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                      CHEMICAL BURN HAZARD 
                     Keep batteries out of reach of children. If swallowed,
                        seek immediate medical attention. 
                     Failure to follow these instructions can result in death, serious injury, or equipment
                        damage. 
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| NOTICE | 
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| 
                      EQUIPMENT DAMAGE 
                     The device is locked on the fixing plate with retaining
                        claws. Never pull the device before sliding it upwards. 
                     Failure to follow these instructions can result in equipment damage. 
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Remove the rockers and middle bar from the device.
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Press and hold the battery cover with your thumb.
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Slide the battery cover with another thumb to remove.
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Remove the old battery, then press any push button on the device for a few seconds to reboot it and delete the internal low battery flag.
NOTE: Dispose the used batteries, as per statutory regulations. - 
                  
Insert the battery with plus (+) symbol facing outward
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Secure the battery cover.
 
 WARNING