176 DBS 576 (USA), issued January 1999 576-20-700Chapter 5. Key Telephone Features Section 700 - Operation• Direct Station Select (DSS) / Busy Lamp Field (BLF) Appearances• Direct Line (DL) Appearances• MCO Line AppearanceDSS/BLF AppearancesWhen a DSS/BLF key is programmed, it automatically provides one-touch dialing and DSS and BLFfor the assigned extension numbers. If desired, the DSS/BLF key can also provide ring or delayed ringmonitor. For example, you can set extension A as a DSS/BLF ringing key on extension B. Whenextension A rings, the LED of the DSS/BLF key on extension B flashes and the phone rings.Ringing or delayed ringing can be set on extensions which have a BLF key. The LED of the DSS/BLFkey flashes green during ringing and the display shows the BLF extension number.When extension A is in use, the LED of the DSS/BLF key on extension B lights red. If one extensionhas the Call Forwarding or Do-Not-Disturb (DND) feature activated, the DSS/BLF key lights green.Four DSS/BLF modes are available as follows:OperationTo assign a DSS/BLF key:DSS/BLF Type FF KeyEntryBLF LEDIndicationExtensionCallCallPickupRing(Immed.)Ring(Delayed)Voice MailTransferDSS Only (NoPick Up/No Ring) (9 + Ext #) Yes Yes No No No YesDSS/BLFImmediate Ring (81 + Ext #) Yes Yes Yes Yes No YesDSS/BLF DelayedRing (82 + Ext #) Yes Yes Yes No Yes YesDSS/BLF No Ring (83 + Ext #) Yes Yes Yes No No YesAction Result1. Press the PROG key.2. Press the FF key to be assigned the DSS/BLF appearance.3. Press the Redial key.4. Enter the code for the desired DSS/BLF mode as follows:9+ Ext # ---- DSS Mode Only81+ Ext # --- DSS/BLF Immediate Ring82 + Ext # -- DSS/BLF Delayed Ring83 + Ext # -- DSS/BLF No Ring5. Press the HOLD key.
