... light optional.8.Speedy released line with Flash key(Hide).9.Headset function optional.10.Anti-magnetic. ONE ... keys can be set through 9 groups one-key-dialing,such as reception, business center, guest ... THREE,Searching Sheet of Function Settings: 1) One-key-dialing Settings A. Number Settings: under the ... or SPEAKER condition, press the one memory key,the stored number will be dialed out automatically ...