Question about infomir IPTV Box

IPTV BOX is a MAG 250. The remote control no longer works, i.e. the ON and OFF button is defective. I have ordered a new remote control here at Digitec Infomir MAG 250 / My question: What do I have to do to make the new remote control work with the box? Do I have to enter a code or do I have to do something in System in box? Thanks in advance for a detailed answer.