The Marathon is one of our few wireless headsets that can be used as a stand-alone telephone! To do this, the Customer NEEDS A DIAL PAD! Here is the set-up for the Marathon when NO other telephone is in use! How to Set Up a Marathon As a Stand-Alone Phone! Step 1) Remove the cover from the back of the Marathon Base. Step 2) Have the Customer find the POWER CABLE for Marathon and plug it into the back of the base where it says POWER (green dot jack). Step 3) Plug one side of the TEL WALL JACK cord into the TEL WALL JA CK (red dot jack ) in the back of the base. Plug the other side of the TEL WALL JACK cord directly into the telephone jack in the wall. *If connecting to a phone modem for a Customer with digital phone service, a DSL Filter may be necessary, this comes from the phone service provider! Step 4) MAKE SURE NO LIFTER MODE LIGHT IS ON. You change the lifter mode/no lifter mode by pressing the MODE button on the charging base (next to the Mic Volume buttons)! Step 5) A DIAL PAD…