[. . . ] The MWR75 Marine Wired Remote Control allows you to control basic functions of Jensen Marine radios, including power, mode, volume, tuning, CD, CD changer and satellite tuners. [. . . ] Important: Do not mount unit where it can be submerged or subjected to high pressure spray. Insert the remote control into the rubber foam gasket and then into the hole in the instrument panel. Secure from the other side using the threaded ring, illustrated in Figure A. Once the remote has been mounted, route the cable from the remote and connect the cable to the radio. The 18 foot extension cable may be used to connect the remote to the radio. Up to two additional extension cables (MWREXT) may be purchased and used to extend the reach of the remote up to 54 feet. [. . . ] Up to two more remote controls can be added with a "Y" cable adapter (MWRYCBLS). [. . . ]