xviiIntroduction• If a foreign substance adheres to the outside of thecamera or the inside of the battery-chamber/memorycard slot cover (such as the hinge, memory card slot, andconnectors), remove it immediately with a blower. If aforeign substance adheres to the waterproof packinginside the battery-chamber/memory card slot cover,remove it with the included brush. Do not use theincluded brush for anything other than cleaning thewaterproof packing.• If a foreign substance such as suntan oil, sunscreen lotion, hot spring, bath mix powder,detergent, soap, organic solvent, oil, or alcohol adheres to the camera, immediately wipe itoff.• Do not leave the camera in high-temperature conditions of 40°C (104°F) or more (inparticular, a place exposed to direct sunlight, inside the cabin of a car, on a boat, on thebeach, or near a heating device) for a long period of time. This could cause deterioration ofthe waterproof performance.Before Using the Camera Underwater1. Make sure that there are no foreign substances inside the battery-chamber/memory card slot cover.• Any foreign substances such as sand, dust or hair inside the battery-chamber/memorycard slot cover should be removed with a blower.• Any liquid such as water droplets inside the battery-chamber/memory card slot covershould be wiped off with a soft dry cloth.2. Make sure that the waterproof packing (A 2) of the battery-chamber/memorycard slot cover is not cracked or deformed.• The waterproof performance of waterproof packing may start to deteriorate after oneyear.If the waterproof packing begins to deteriorate, consult your retailer or Nikon-authorized service representative.3. Make sure that the battery-chamber/memory card slot cover is firmly closed.• Slide the cover until it clicks into place.