Unitech EA630 Plus User Manual page 29

4. To lock the battery cover, turn the knobs a quarter of a turn (90°).
Make sure the battery cover is securely closed, or you may be unable to turn
on the terminal.
WARNING! There is a risk of fire and burns if the battery is handled improperly. DO NOT
disassemble, crush, puncture, short external contacts, or dispose the battery
pack in fire or water. DO NOT attempt to open or service the battery. Dispose of
used batteries according to local recycling guidelines in your area.
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EA630 Plus User's Manual
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