20 Chapter 4 Telephone setupNN40050-104NN40050-1044 Using the dialpad, enter the number of hours between local time and system time.5 Press OK.About your programmable buttonsYour System Administrator assigns the four programmable buttons as line, intercom, or memorybuttons. The label for each button appears on the display next to the button. For more information,see your System Administrator.Memory buttonsThese are buttons that are not assigned as line or intercom buttons. Memory buttons store internaland external phone numbers or features to give you one-touch dialing or feature activation.Program memory buttonsYou can program a memory button with a new phone number or feature.External autodial1 Press Feature *1.2 Press a memory button.3 Dial the external phone number.4 Press OK to store the phone number.Internal autodial1 Press Feature *2.2 Press a memory button.3 Dial the extension number.4 Press OK to store the extension number.Note: Press # to enter half-hour increments.Note: It may take up to 1 minute for the change to appear on the display.