[. . . ] [. . . ] If you store your unit in an aircraft or other vehicle, the cover protects the screen from damage that can result from long-term exposure to the sun's ultraviolet rays. If you carry the unit with you in a flight bag or luggage, the cover protects against screen scratches. It also stops battery drain by preventing the Power button from being bumped and accidentally turning on the unit. To remove cover, grab either corner with an index finger and pull. Raised area protects keypad and stops accidental power on. CVR-4 protective hard cover for AirMap 1000. WARNING: When the unit is mounted in an unprotected area, such as an open aircraft or boat cockpit, the protective face cover must be removed when the vehicle is moving at high speed. 988-0148-442 Printed in USA 022304 © Copyright 2004 All Rights Reserved Lowrance Electronics, Inc. [. . . ] [. . . ]