22Options ListSet up area codeUsing the Area code set-up option (available on the M3904), causes the CallersList and Calling Line ID (CLID) display show the number/extension followed by thearea code/prefix in parenthesis. This makes it easier to identify local calls andinternal calls. You can define up to three area codes. After you select Area codeset-up from the Options List menu1st Code: 4082nd Code:3rd Code:Use the Navigation keys to place yourcursor in the first line and enter anarea/country code of your choice.Note: You can enter up to three codes ofyour choice.Press the Done Key to save changes. Press the Quit Key or Options Key to exit.Enable Call timerThe Call timer enable option measures how long you are on each call. After youselect Call timer enable from the Options List menu;orFrom the Call timer screen, press theOn Key to turn on the Call timer.orPress the Off Key to turn off the Calltimer.Press the Done Key to save changes. Press the Quit Key or Options Key to exit.Select Date/time formatThere are eight Date/time formats. Four formats are based on the 12 hour clockand four are based on the 24 hour clock. After you select Date/time format. . .from the Options List menu;Use the Navigation Keys to scrollthrough the eight formats.Press the Done Key to select the highlighted format. Press the Quit Key or OptionsKey to exit.OnOffFormat 3