4. Flashing Light PatternsSlow FlashingModerate FlashingRapid Flashing1 sConditions• The incoming CO line call shows on the buttons in the following priority:ICD Group®S-CO®G-CO®L-CO®PDN®INTERCOM• The light pattern of a DSS button for incoming calls can be set to "Off" through system programming. Inthis case, the DSS button light will not indicate the status of the corresponding extension.PC Programming Manual References4.18 [2-9] System Options→Option 1— PT Fwd / DND—Fwd LED→Option 1— PT Fwd / DND—DND LED→Option 4— DSS Key—DSS key mode for Incoming CallFeature Manual References3.1.5 Call Hold3.1.19 Conference6.1.7 FWD/DND Button, Group FWD Button9.1.2 ICD Group Features—Group Call Distribution9.1.3 ICD Group Features—Log-in/Log-out13.1.14 Privacy Release10.1.2 Line Preference—IncomingDescriptionA proprietary telephone (PT) user can select the method used to answer incoming calls from the followingthree line preferences.Each of these line preferences can be assigned on each extension through personal programming (PreferredLine Assignment—Incoming).Type DescriptionNo Line Selects a line by pressing the desired Line Access button toanswer an incoming call after you go off-hook.188 Feature Manual Document Version 2013-0510.1.2 Line Preference—Incoming