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How to Replace the RC-400 Batteries
1
Keep pushing the battery cover in [1] direction,
and then try to slide the cover in [2] direction. The
cover does not move but it will be open.
2
Remove the old batteries and replace with new
batteries (three AA batteries), matching [+] and [-]
as shown in the figure.
3
Replace the battery cover.
Replace all 3 batteries with new ones.
Do not mix old batteries and new ones.
[1]
[2]
