[. . . ] When using telephone equipment and accessories, basic safety precautions should be taken to reduce risk of fire, electric shock, and injury to persons including the following: · The intended purpose of this HL10 Handset Lifter is to lift and lower the telephone handset in conjunction with Plantronics amplifiers manufactured for use with the HL10 Handset Lifter. · To ensure safe operation, install, adjust and operate the HL10 Handset Lifter according to these instructions. [. . . ] · Do not place this product on an unstable cart, stand or table. The product may fall causing serious damage to the product. LIMITED WARRANTY For Plantronics Commercial Products Purchased in the US and Canada · This warranty covers defects in materials and workmanship of Commercial Products manufactured, sold or certified by Plantronics which were purchased and used in the United States and Canada. · This warranty lasts for one year from the date of purchase of the Products. · This warranty extends to you only if you are the end user with the original purchase receipt. · We will, at our option, repair or replace the Products that do not conform to the warranty. We may use functionally equivalent reconditioned/refurbished/remanufactured/pre-owned or new Products or parts. contact Plantronics at (800) 544-4660 and in Canada call (800) 540-8363. If you need additional information, please contact our service centers at the numbers provided. · THIS IS PLANTRONICS' COMPLETE WARRANTY FOR THE PRODUCTS. · This warranty gives you specific legal rights, and you may also have other rights which vary from state to state or province to province. [. . . ] 60230-01 (7-04) Patent Pending. For assistance and accessibility information call the Plantronics Technical Assistance Center (TAC) (800) 544-4660 Sunday 5 p. m. Pacific Standard Time or visit the Customer Support section of our website at www. plantronics. com. After you have completed the instructions in the Quick Start Guide and reviewed the Troubleshooting Section (the inside foldout) and still have questions, please contact our Technical Assistance Center. Plantronics Technical Assistance Center www. plantronics. com 345 Encinal Street Santa Cruz, California 95060 (800) 544-4660 TECHNICAL SUPPORT trademarks of Plantronics, Inc. HL10 HL10 Handset Lifter Accessory PLANTRONICS User Guide [. . . ]