IBM IBM412 Operation Guide - Page 11

LIGHTS AND CADENCE REFERENCE LIST LED Status Indication Lines 1-4 Off Line is not in use Flashing Slowly Incoming outside call is ringing On Steady Line is in use by another extension or phone line is not connected To that Line. Flashing Rapidly Line is on hold by your extension Blink 1 Line in use by you Blink 2 Line on hold by another extension Blink 3 Call being transferred to your extension Intercom Off Not in use Flashing Slowly You are making an intercom call or paging Flashing Rapidly You are receiving an intercom call Speakerphone Off Phone in handset mode or your phone is idle On Steady Phone in speakerphone mode Flashing Slowly Phone in headset mode Shift Off First level of key functions active (lower) mode On Steady Second level of key functions active (upper) mode Mute Off Extension is not muted On Steady Extension is muted Do Not Disturb (DND) Off DND is OFF On Steady DND is ON Redial Off Not in use or single redial Flashing Slowly Phone in auto redial mode Messages/New Calls Off No messages or new calls On Steady Phone has received new calls Flashing Rapidly Messages have been left in voicemail box 11