The Norstar dual memory buttons are used to store phone numbers or feature codes that give one touch dialing or feature activation.
Each button can hold two separate programmed functions made up of either phone numbers or feature codes. The bottom location (see labeled diagram above) is selected by pressing that dual memory button. The top location / function (see diagram above) is selected by pressing the SHIFT button (
)
followed by pressing the desired dual memory
button. To learn how to program these memory button locations see - Programming a Norstar Memory Button for an External phone number autodial, Internal phone number autodial or Feature activation.