Single line phones have an adjustable display, a visual message waiting indicator, handsfree & mute capability, a hold, redial and release/goodbye key, programmable memory keys and a variety of telephone features like Callers & Directory list.
To change an option
Leave handset on hook
Press the Options key
Move through the list of options by pressing the up or down arrow key or press the desired option number on the dial pad
To make a change, follow the instructions on the display
Language - you have a choice of two languages.
Time/Date - you must reset it after a power failure, for Daylight Savings time, and for leap years.
Ring Tone - the ring tone can be changed as well as the volume setting.
Call Timer - the length of each call made or received can be displayed.
Dial Pad - program for regular or predialed mode.
Clear Message Waiting - turn off the message waiting display.
Caller List - choose between recording all incoming calls or only unanswered calls.