xviiiIntroduction3. Make sure that the internal cover and battery-chamber/memory card slot coverare firmly closed.• Slide the cover until it clicks into place.Notes About Using the Camera UnderwaterObserve the following precautions to prevent water from seeping inside thecamera.• Do not dive into water deeper than 3 m (9.8 ft) with the camera.• Do not continuously use the camera underwater for 60 minutes or more.• Use the camera in the water temperature range from 0°C to 40°C (32°F to 104°F) whenusing it underwater.Do not use the camera at hot springs.• Do not open or close the battery-chamber/memory card slot cover underwater.• Do not subject the camera to shock when using it underwater.Do not jump into water with the camera or subject it to high water pressure conditionssuch as rapids or waterfalls.• This camera does not float in water. Make sure not to drop the camera underwater.Cleaning After Using the Camera Underwater• After using the camera underwater, clean the camera within 60 minutes. If you leave thecamera in wet conditions where salt particles or other foreign substances adhere to it, thiscould cause damage, discoloration, corrosion, a bad smell or deterioration of waterproofperformance.• Before cleaning the camera, thoroughly remove water droplets, sand, salt particles, orother foreign substances from your hands, body, and hair.• It is recommended to clean the camera indoors to avoid a place where it could be exposedto water spray or sand.• Do not open the battery-chamber/memory card slot cover until all foreign substances arewashed off with water and all moisture is wiped off.