8www.addcom.com |6.2.2 Connecting to a telephone or terminal WitHout a headset port• Assemble the headset and then use the power adaptor supplied with the product to con-nect the DC jack (6) on the back of the base unit to a power socket.• On the telephone, unplug the handset cord from the handset port.• Plug the handset cord into the handset port (9) on the back of the base unit.• Plug the supplied connection cord into the telephone port (8) on the back of the base unitand plug the other end into the handset port on the telephone.• You may need to adjust the compatibility switch (13) that is located on the side of the baseunit to find the correct setting for your device.6.3 Connect to pC/voip6.3.1 Connecting to a computer usB port• Connect the USB cable supplied with the product to the USB port (5) on the back of the baseunit and to an available USB port on your computer.• Use the power adaptor supplied with the product to connect the DC jack (6) on the back ofthe base unit to a power socket.• The computer should automatically recognise the device and install the correct driver soft-ware.Figure 6.3.1 Connect to PCFigure 6.2.2 Connect to telephone WITHOUT headset port