Plantronics 510S Service Guide - Page 9

6. With the other hand, press the Call Control Button on the headset. This will activate the Handset Lifter and lift the handset from the phone. Press Call Control Button If you hear a dial tone, the lifter height is set correctly and needs no adjustment. Press the Call Control Button to return the handset to the cradle. Please continue with section D "Mount the Lifter in permanent position" below. If you do not hear a dial tone continue with section C. C. If you do not hear a dial tone If you do not hear a dial tone, the Lifter may not be raising the handset high enough or the Configuration Dial may need adjusting. 1. Check the Lifter height adjustment by moving the Lifter Height Switch to a higher position. See Section B and repeat steps 4 through 6. If you hear a dial tone, the lifter height is now set correctly. Please continue with the next section "Mount the Lifter in Permanent Position". 2. If you still cannot hear a dial tone, you will need to change the setting on the Configuration Dial. Using a coin or paperclip, turn the Configuration Dial to a different setting until you hear a dial tone. If you still cannot hear a dial tone, please call Technical Support at 800-544-4660 Extension 5538. Configuration Dial Position Indicator Multiple settings might work with your phone; however, only one is the optimal position. Questions? For fast, efficient Technical Support call: 800-544-4660 Ext. 5538