21a
Tamper-resistant battery door (Optional)
BTE 312
This is strongly recommended for infants, small children and people
with learning difficulties.
Instructions
To lock the battery door:
Make sure the door is completely closed. Use the screwdriver in the
MultiTool to turn the tamper-resistant screw to the locked position.
To unlock the battery door:
Use the screwdriver in the MultiTool to turn the tamper-resistant screw
to the unlocked position. The battery door can be opened as usual.
Important: Do not force the battery door beyond its fully opened position.
Insert the battery correctly. Excessive force can deform the battery door,
which will reduce its tamper resistant effectiveness.
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