When the batteries need to be replaced, remove the anti-tamper screw from the ActiVote using the tool provided.
Carefully slide the carriage out of the main ActiVote body.
Remove the old batteries and replace with 3 new AAA alkaline cells. Observe the battery icons on the carriage that indicate which way the batteries should be inserted.
Slide the carriage back into the main body and gently tighten the anti-tamper screw.