To program your remote to control up to four components, follow these steps: Always remove old, weak or worn-out batteries promptly and recycle or dispose of them in accordance with Local and National Regulations.Do not mix alkaline, standard (carbon-zinc) or rechargable (nickel-cadmium) batteries.Insert the batteries, matching the batteries to the (+) and (-) marks inside the battery case.Turn the unit over, and remove the battery compartment cover.Your RCR504BR universal remote requires 2 new AAA alkaline batteries (sold separately). RCA RCR504BR - Universal Remote Control Manual and Code List
