Section 700 - Operation Chapter 5. Key Telephone Features576-50-700 DBS 576 (USA) issued September 2001 5-41Large-Display PhoneFigure 5-4. Large-Display Main Menu (shown in default idle condition)You can easily access and use many telephone features by pressing the soft key next to the desiredMain Menu item. These items include:Personal DialContains PSD numbers. To scroll through the PSD Directory, press the NEXT or PREV buttonslocated beneath the display.• PSD speed dial numbers must be programmed before they will appear in the speed dialdirectory. For information on programming speed dial numbers, see “Speed Dialing” on page5-78.System DialContains SSD numbers. To scroll through the SSD Directory, press the NEXT or PREV buttonlocated beneath the display.• SSD numbers must be programmed before they will appear in the speed dial directory. Forinformation on programming speed dial numbers, see “Speed Dialing” on page 5-78.ExtensionContains the Extension Directory (grouped alphabetically). To scroll through the ExtensionDirectory, press the NEXT or PREV button located beneath the display.Function SystemProvides easy access to most key telephone features, such as Call Forwarding, Do-Not-Disturb(DND), Microphone Mute, Background Music, Call Pickup, Account Codes, Message Waiting /Callback, Headset On/Off, Extension Port confirmation, etc.To scroll through the list of items, press the NEXT or PREV button located beneath the display.Function ExtAllows you to assign frequently used telephone features for easy access. Most items found underFunction System can be assigned to the Function Ext area, in any order you desire. (For additionalinformation, see Section 400 - Programming.)