IBM 412CID Operation Guide - Page 10

LIGHTS AND CADENCE REFERENCE LIST LED Status Lines 1-4 Off Flashing Slowly On Steady To that Line. Flashing Rapidly Blink 1 Blink 2 Blink 3 Intercom Off Flashing Slowly Flashing Rapidly Speakerphone Off On Steady Flashing Slowly Shift Off On Steady Mute Off On Steady Do Not Disturb (DND) Off On Steady Redial Off Flashing Slowly Messages/New Calls Off On Steady Flashing Rapidly Indication Line is not in use Incoming outside call is ringing Line is in use by another extension or phone line is not connected Line is on hold by your extension Line in use by you Line on hold by another extension Call being transferred to your extension Not in use You are making an intercom call or paging You are receiving an intercom call Phone in handset mode or your phone is idle Phone in speakerphone mode Phone in headset mode First level of key functions active (lower) mode Second level of key functions active (upper) mode Extension is not muted Extension is muted DND is OFF DND is ON Not in use or single redial Phone in auto redial mode No messages or new calls Phone has received new calls Messages have been left in voicemail box 10