Clean Air Optima CA-904C Manual page 11

Remote control
1. Open the battery cover at the back side of remote control to place the battery.
(see Picture 1).
2. To place the battery: there is a "security tab" at the bottom of the remote control that you
first have to slide to the right and then pull out the battery holder. (see Picture 2).
Insert the battery with the correct polarity. (see Picture 3).
3. Push the battery cover back into the remote control.
Remote control
(Picture 1)
Battery cover
(Picture 3)
(Picture 2)
Battery (CR2032)
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