[ALL DW PRO1 DISCONTINUED] [OFFICERUNNER DISCONTINUED] Sennheiser Wireless Setup:. Handset Jack: Plug the power into the headset base. Unplug the telephone (curly cord) from the phone base. Plug this into the HANDSET jack in the back of the cube. Plug the end with the green sticker of the connector cord into the PHONE port on the back of the headset base. Plug the other end into the telephone’s Handset Jack (where you disconnected the curly cord from). It should be marked with a picture of a telephone handset, or it might say HANDSET or HAC. Set the ABC switch to A. Customer should now be ready to use their headset by first turning the headset on using the On/Off button on the headset itself, and then picking up their handset to answer or make a call. To hang up calls, they simply hang up their handset. . Click here for instructions on ORL12 Setup: ORL12 Lifter Overview: Set up, height adjustments, programming ring detection, & videos* Headset Jack: Plug the power into the headset bas…