This document provides a synopsis of graphical symbols which are intended to be placed on building equipments and/or technical documentation of products in order to instruct the person(s) using the equipments. These graphical symbols are primary intended: to identify control or automation or technical management equipments or part of these equipments: electronic devices (e. g. controller, scheduler, optimiser, etc.), sensors, actuators; to indicate functions and their operating modes; to indicate settings for modes and functions parameters introduction; to designate connexions; to provide instruction to users (professional and/or end user) for the operation of the equipment. The graphical symbols in this document are not primarily intended for: safety signs, public information, schematics for systems principles.