Method of Operating a Home-Automation Installation

A method of operating a home-automation installation, the home-automation installation including items of equipment fixed in a building and a mobile unit for controlling the items of equipment, the elements communicating over a home-automation network, each element being furnished with an identifier which is specific to it and with an authentication key specific to the home-automation network, termed “common key”, identical for all the elements and authenticating an element's membership of the home-automation network, The method includes a step of locating the mobile control unit and delivering an item of position information, then a step of pinpointing using at least the item of position information to pinpoint a particular item of equipment, the pinpointing step allowing the identification of the particular item of equipment and allowing the locating of the particular item of equipment in a mode of configuration of the home-automation installation.