XPR16H - User Manual162.4 Remote ControllerThe remote controller uses two AAA size batteries and works after loading batteries as following: Step 1: Open the battery cover of the Remote Controller Step 2: Place the batteries. Please take care of the polarity (+ and -) when placing the batteries Step 3: Replace the battery coverNote: To ensure the remote is always working correctly, please check: batteries are correctly positioned the remaining charge in the batteries IR controller sensor is not blockedIf the remote still doesn't work, please contact your dealer for a new remote controller.The interface of remote controller is shown in Fig2.4 Remote Controller:Fig 2.4