3. Program the keys with MMC 71 SYSTEM KEYPROGRAMMING. (Refer to the Technical manual)A P PENDIX 1 Keyset users may customize programmable keys using systemprogramming.The following are programmable feature keys:A C C Account codeA L M Set AlarmA M D Answer ModeA RD Auto RedialB RG Barge-InC B K CallbackC M P Camp-onC NF ConferenceDND Do Not DisturbDOR DoorDP C Direct PickupE XC Boss/SecretaryFAT Forced Auto AnswerFL S FlashFW A Call Forward AllFW B Call Forward BusyFW N Call Forward No answerSPECIAL FEATURESGP C Group PickupH ED Headset modeIOG Group In/OutL NR Last Number RedialM P G Meet Me PageM SG MessageM UT MuteNIT Night modeOP R Operator groupP AG PageP SE Pause DialingSNR Saved Number RedialSP D Speed-DialingTM R TimerTRN TransferUP C UNA PickupVAC Vacant Message56