User manual PLANTRONICS SUPRA F53

[. . . ] 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. This equipment complies with Part 68 of the FCC rules. [. . . ] 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. This equipment complies with Part 68 of the FCC rules. 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. The clear color and curvature of the voice tube, and Quick Disconnect are trademarks of Plantronics Inc. Quick Start Operation The Supra F53 is a headset with a voice tube while the Supra F53N is the same headset with noise-canceling microphone instead of a voice tube. 3 Connecting the headset The headset cable is terminated with a standard modular connector. To use your headset, simply insert the connector into the headset receptacle in the base unit. [. . . ] 6 Clothing Clip and Quick Disconnect 6. 1 Adjusting the Clothing Clip Use the Clothing Clip to keep the headset properly seated, free from the weight of the cord. Attach the Clothing Clip to your clothing at a comfortable level. 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. [. . . ]