This tutorial shows a 1XN500 kit featuring 2 monitors, corresponding to 2 apartments within a multi-family system. The video explains how to program: - an RFID key fob (or card) for apartment 1; - an access control PIN code for apartment 2. The procedure for programming RFID key fobs or cards also applies to the 1XN300 video kit. Multiple PIN codes can be assigned to each monitor/apartment. The operations shown in the tutorial can be performed by the end user.