Safety Instructions Do not use headphones / headsets at high volumes for an extended period of time. Doing so can cause hearing loss. Always listen at moderate levels. See www.plantronics.com/ healthandsafety for more information on headsets and hearing.
Setting Up the Versa VS21M 1. Attaching Charge Cradle to Base Connect the headset charge cradle to the base. Push firmly on the cradle until the cradle snaps into place. 2. Connecting Base to Desk Phone 2-1. Connect the telephone interface cable to the telephone interface cable jack on the base. 2-2.
5-5. If you do not hear a dial tone or the dial tone is distorted adjust the configuration switch until the dial tone sounds normal. Note Multiple settings might work with your phone; however, only one is the optimal position. 6.