[. . . ] If you are using an electric Trimmer for the first time, or if you've been using a different brand, take the time to acquaint yourself with your new Trimmer. your AccuVac Trimmer features the Patented Acu· Control System combined with an adjustable Zoom Lock to make trimming facial hairs goof-proof. Throw your scissors away and put your new AccuVac Trimmer to the test. [. . . ] Control System puts you in complete control while trimming your facial hairs with no prior experience needed. The flexing Guide Comb adjusts automatically to hug the contours of your face for a trim that is both even and accurate. And, it's easy to maneuver over those hard-to-reach areas such as the throat and chin. The patented Zoom Lock Hair Length Selector allows you to choose among 9 preset hair lengths and locks into position so you can control the exact hair length you desire or vary the length of your facial hair. 2 Replace Guide Comb Attachment until it "clicks" into position. The Guide Comb Attachment can be placed on Trimmer only one way by properly aligning it to slide into the tracks on sides of Trimmer head. NOTE: The Zoom Lock can be on any setting when removing or replacing Attachment. After Trimmer has been charged for the first time, do not recharge Trimmer between trimming sessions. Discharge the battery completely twice a year by letting the motor run until it stops. If Trimmer hasn't been used for a long period of time, Trimmer must be recharged for 10 full hours. The AccuVac System is activated automatically as soon as you switch the trimmer on. The flexible hair guide follows the contours of the face and the Flexi-Guard Hair Deflector directs cut hairs towards the nozzle of the vacuum mechanism. It is recommended that you empty the HairCollection Chamber after each trimming session. When trimming long, dense beards it may also be necessary to empty the HairCollection Chamber during the trimming session in order to maintain optimal suction performance (also see 'Cleaning' section, 'HairCollection Chamber'). To ensure optimal functioning of the AccuVac System, do not cut off more than approx. If you want to cut your beard shorter, repeat the process one or more times. 3 If battery is completely empty, wait a few minutes before switching Trimmer on. Do not use abrasive, scourers or liquids such as alcohol, benzene, bleach or acetone to clean the Trimmer. [. . . ] IMPORTANT: This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable care, the affixing of any attachment not provided with the product or loss of parts or subjecting the product to any but the specific voltage. In order to obtain warranty service, simply take or ship the product postage prepaid to the nearest Authorized Norelco Service Location. It is suggested that for your protection you return shipments of product by insured mail, insurance prepaid. [. . . ]