3.1 Customising Your Phone (Personal Programming)182 User Manual3.1.3 Customising the ButtonsYou can change the flexible CO buttons/DSS buttons, and programmable feature (PF) buttons on PTs, DSSConsoles, Add-on Key Modules, and PSs to the following feature buttons. For example, if your telephonehas more CO buttons than available outside lines, you may change unused CO buttons to one-touchbuttons.• To enter the programming mode when using a PS, refer to "Operating Instructions" for PS.ButtonsProgrammableButton Programming InputCO DSS PFLoop-CO (L-CO)Group-CO (G-CO) + Outside line group no. (2 digits)Single-CO (S-CO) + Outside line no. (3 digits)Direct Station Selection (DSS) + Extension no.One-touch Dialling*1 + Desired no. (max. 32 digits)Incoming Call DistributionGroup (ICD Group)+ Incoming call distribution groupextension no. (+ + 0–7)* 3MessageMessage for AnotherExtension + Extension no./Incoming call distributiongroup extension no.Call Forwarding (FWD)/Do NotDisturb (DND)—Both callsFWD/DND—Outside callsPressPROGRAMorPAUSE.PressPROGRAMorPAUSE.PressCO,DSS orPF. To exitTo programmeTo enter the programming modeFollowprogramming input.To continue(CO, DSS, PF)programminginputORPROGRAMPAUSEORPROGRAMPAUSEPressENTERorSTORE.ORAUTO DIALSTORE#012 *²3 0#4 04 04 14 2