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 rechargeable (nickel-cadmium) batteries.Push the battery cover back into place.Insert the batteries, matching the batteries to the (+) and (–) marks inside the battery compartment.Your universal remote requires two AA alkaline batteries (not included). CBL for a satellite receiver Step 1: Install your batteries.BLU RAY for a DVD player, TV for a television, or SAT.Tip: This remote is already programmed to operate most RCA-branded TVs, DVD players, and satellite receivers. Make sure you keep the manual and code lists in a safe place so that you can reprogram the remote if you need to. Remote controls can sometimes lose their programming when you change the batteries.