This manual is designed for users of an Advanced Hybrid System, model number KX-TA308. It is to be used after the system is installed and System Programming is completed. The focus is Proprietary Telephones (PTs); KX-TA30820/KX-TA30830/KXTA30850, Single Line Telephones (SLTs) and their features. The step-by-step procedures required to activate each feature are explained in detail.