[. . . ] [. . . ] to select. to select "0" or "10" (current selection will flash). · For Centrex "10" must be flashing. · Press to set. When you first connect your Sensor 500 and are using Telecom Call Minder service you will need to program the PLAY button. (Please note that this number will show on the display each time the · Press # · Press · Dial "1" · Press · Press to store to finish. key is pressed. ) until the display shows text, then release Downloaded from: http://www. guardianalarms. net [. . . ] [. . . ]