[. . . ] Option 2: Using this value program follow "SET WS" illustrations. [. . . ] If the equipment still seems faulty, please send it together with receipt and all its fittings, and with sufficient postage, to: Europe: SIGMA SPORT Dr. Union Drive Olney, IL 62450 USA Where warranty claims are covered by our guarantee, replacement equipment will be returned to you free of charge. Kit contents 1 SIGMA SPORT cycle computer BC 800 1 bracket with cable and sensor 1 magnet + casing (for assembly on the spoke) 1 small + 1 large black rubber band A (use according to diameter of the handlebar to mount the computer bracket) B 1 grey rubber band (to mount the sensor) 2 years or as soon as the Functions display fades. Before changing, take note of WS and DST · After change of batteries, DST , WS and CLK must be re-entered. [. . . ] Nach Batteriewechsel after battery change après change de piles after wisselen de batterijen dopo sostituzione delle pile cada cambio de pilas [. . . ]