Shenzhen Hailife Technology Co. Ltd. FD01B Manual Do Utilizador

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Hold the device, press the battery cover and push it forward following the direction in 
figure 4. Then the battery cover is open. 

 

Figure 4 Open battery cover 

Put the batteries into the device, then put the battery cover back to device, push it forward 
until it clicks closed. Refer to the figure 5 and figure 6 below. 
 

 

Figure 5 Put batteries into the device