Introduction
How to unlock the battery case and take out the battery.
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            Slide the lock switch to the right so that it is in the unlocked position. 
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            Use your finger to slide the battery hatch in the direction of the downward arrow so that the hatch is open. 
 
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            Open the battery hatch and then the black cover to expose the battery compartment. 
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            Remove the battery. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.