NSQ412 Four-Line Caller ID Telephone Owner’s Manual 16Basic FeaturesLED IlluminationThe NSQ412 LEDs will indicate the station’s status. The follow-ing chart identifies the different patterns that can occur duringuse.The Line LEDs will indicate status according to the followingchart:CO Line LED OperationStatus Using station Other StationsIdle Dark DarkIn Use Wink 1 SolidOn Hold Wink 2 Wink 3Ringing Slow SlowTransfer Fast Wink 3The station’s other LEDs will indicate status according to thefollowing chart:LED IlluminationLED State Specificationdark solid darklit solid litfast flash 0.125S off, 0.125S on, repeatedlyslow flash 0.5S off, 0.5S on, repeatedlywink 1 0.250S off, 1.750S on, repeatedlywink 2 0.250S off, 0.250S on 0.250S off, 1.250S on,repeatedlywink 3 0.250S off, 0.250S on, 0.250S off, 0.250S on,0.250S off, 0.750S on, repeatedlyOther LED OperationIntercom dark: Intercom link idlelit: Intercom link used by other stationfast: Station is receiving an Intercom callwink 1: Station is using intercomHold dark: No CO Line is on holdWink 2: A CO Line is on holdMute dark: The station is not mutedlit: The station is mutedSpeaker dark: The handsfree is offlit: The handsfree is onHeadset dark: The headset is not in uselit: The headset is in useDND dark: The DND is offlit: The DND is onAuto Redial dark: The auto redial function is not in useslow: Station is in the on-hook waiting cyclefast: Station is in the off-hook dialing cycleMSG Wait/New dark: No Message Waiting and no New CIDCID recordsfast: Message Waiting (with/without NewCID)lit: New CID record(s) only (no MessageWaiting)Oval LED dark: No ringingfast: With incoming CO, Intercom orTransfer ring