Method DescriptionPrime Line When an extension user goes off-hook, the preset line is selectedautomatically. A prime line can be selected from the Line Accessbuttons: S-CO, G-CO, L-CO, ICD Group.Conditions• Line Preference OverrideA user can override the preset Line Preference temporarily by pressing the desired Line Access button ora Memory Dialing button, such as One-touch Dialing, before going off-hook.• To select Idle Line Preference, the trunk groups available to the extension should be programmed on aCOS basis. Also trunk groups available for Idle Line Access should be assigned.PC Programming Manual References4.13 [2-7-2] Class of Service—External Call Block5.2 [3-1-2] Trunk Group—Local Access Priority6.1 [4-1-1] Wired Extension—Extension Settings—Option 4— Outgoing Preferred Line6.10 [4-2-1] Portable Station—Extension Settings—Option 4— Outgoing Preferred LinePT Programming Manual References[103] Idle Line Access (Local Access)[500] Trunk Group NumberOperating Manual References3.1.2 Personal Programming10.1.4 Local Alarm InformationDescriptionWhen the PBX detects an error, the System Alarm button on the proprietary telephone (PT) of an extensionwhich is allowed to use this feature through system programming (a maximum of two extensions per PBX),lights red. Pressing the button will show the error number on the display. If multiple errors occur, the errornumber will be displayed in order of highest priority to lowest. The System Alarm button light turns offautomatically after all error numbers have been displayed.For details about the errors and their solutions, refer to the Installation Manual.174 Feature Manual Document Version 2009-1210.1.4 Local Alarm Information
