This manual is designed for users of the Digital Super Hybrid Systems, model number KX-TD816 and KX-TD1232. It is to be used after the system is installed and system programming is completed. The focus is Digital Proprietary Telephones: KX-T7220/KX-T7230/KX-T7235/KX-T7250, Digital DSS Consoles KX-T7240, Single Line Telephones and their features.