User manual PLANTRONICS SUPRA F53N

[. . . ] Maintenance Hints for Optimum Performance Replace ear cushion every six months Clean cable with a moist cloth once a month Replace voice tube every six to nine months Callers cannot hear me For Voice Tube Model F53 determine if the voice tube is clogged or positioned improperly. Note: To wash a clogged voice tube: Gently rinse warm water through the voice tube for a minute then manually swing or shake it to dry. For Noise-Canceling Model F53N make sure the microphone is facing your mouth and positioned properly. [. . . ] The clear color and curvature of the voice tube, and Quick Disconnect are trademarks of Plantronics Inc. With a Plantronics headset, you will experience a level of comfort and on-the-job freedom you may never have felt before. To obtain maximum performance, please open this guide and follow the quick start directions to setup and operate your headset. After you have followed steps 1­6, this side of the guide may be helpful. Maintenance Hints for Optimum Performance Replace ear cushion every six months Clean cable with a moist cloth once a month Replace voice tube every six to nine months Callers cannot hear me For Voice Tube Model F53 determine if the voice tube is clogged or positioned improperly. Note: To wash a clogged voice tube: Gently rinse warm water through the voice tube for a minute then manually swing or shake it to dry. For Noise-Canceling Model F53N make sure the microphone is facing your mouth and positioned properly. On the baseline underside is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN) for this equipment. If requested, this information must be provided to the telephone company. The telephone company may make changes in its facilities, equipment, operation or procedures that could affect the operation of the equipment. If this happens, the telephone company should provide you advance notice in order for you to make the necessary modifications to maintain uninterrupted services. If you experience problems with your headset, please refer to the warranty section for information on warranty and repair service. If the problem is causing harm to the telephone network, the telephone company may request that you remove the equipment until the problem is resolved. In extreme cases, the telephone company may be forced to disconnect your service before notifying you of the problem. Our Technical Assistance Center telephone numbers are subject to change without notice at any time, please visit our website at www. For technical support in Japan dial 001 800 544 46600 or contact your local distributor. [. . . ] Temporarily remove the protective windscreen in order to determine which side is the front of the microphone. 1 Adjusting the Clothing Clip Use the Clothing Clip to keep the headset properly seated, free from the weight of the cord. To adjust the clip position on most models, squeeze the cord retainer button and slide the cord through to provide sufficient slack so that head movements do not disturb the headset. [. . . ]