An electronic apparatus controllable by a first remote controller dedicated to remote control the electronic apparatus, comprising: a display; a light receiver arranged to receive remote control information from second remote controller dedicated to remote control another electronic apparatus; and a processor arranged to: receive first control information for controlling the another electronic apparatus from the second remote controller through the light receiver, and store the first control information, compare a first remote control data format corresponding to the first control information and a second remote control data format corresponding to the first remote controller stored in the storage, identify, based on the comparison result, that the processor cannot analyze the received first control information and control the display to display a first screen, receive second control information for controlling the another electronic apparatus from the second remote controller through the light receiver while the first screen is displayed, and based on the first control information being same as the second control information, control the display to display a second screen including a plurality of control items for controlling the electronic apparatus, wherein the processor is further arranged to identify whether the first control information is same as the second control information by comparing a waveform of the first control information and a waveform of the second control information. a display; a light receiver arranged to receive remote control information from second remote controller dedicated to remote control another electronic apparatus; and a processor arranged to: receive first control information for controlling the another electronic apparatus from the second remote controller through the light receiver, and store the first control information, compare a first remote control data format corresponding to the first control information and a second remote control data format corresponding to the first remote controller stored in the storage, identify, based on the comparison result, that the processor cannot analyze the received first control information and control the display to display a first screen, receive second control information for controlling the another electronic apparatus from the second remote controller through the light receiver while the first screen is displayed, and based on the first control information being same as the second control information, control the display to display a second screen including a plurality of control items for controlling the electronic apparatus, wherein the processor is further arranged to identify whether the first control information is same as the second control information by comparing a waveform of the first control information and a waveform of the second control information. receive first control information for controlling the another electronic apparatus from the second remote controller through the light receiver, and store the first control information, compare a first remote control data format corresponding to the first control information and a second remote control data format corresponding to the first remote controller stored in the storage, identify, based on the comparison result, that the processor cannot analyze the received first control information and control the display to display a first screen, receive second control information for controlling the another electronic apparatus from the second remote controller through the light receiver while the first screen is displayed, and based on the first control information being same as the second control information, control the display to display a second screen including a plurality of control items for controlling the electronic apparatus, wherein the processor is further arranged to identify whether the first control information is same as the second control information by comparing a waveform of the first control information and a waveform of the second control information.