105 Technical Notesk Batteries• Check the battery level when taking the camera out and replace the batteriesif necessary (c 16). If possible, carry spare batteries when taking pictures onimportant occasions.• Battery capacity tends to decrease on cold days. Be sure that the batteries arefresh before heading outside to take pictures in cold weather. Keep spare bat-teries in a warm place and exchange as necessary. Once warmed, a cold bat-tery may recover some of its charge.• Dirt on the battery terminals can prevent the camera from functioning.• Used batteries are a valuable resource. Please recycle used batteries in accor-dance with local regulations.CleaningDo not use alcohol, thinner, or other volatile chemicals.LensAvoid touching glass parts with your fingers. Remove dust orlint with a blower (typically a small device with a rubber bulbattached to one end that is pumped to produce a stream ofair out the other end). To remove fingerprints or other stainsthat cannot be removed with a blower, wipe the lens with asoft cloth, using a spiral motion that starts at the center of thelens and working toward to the edges. If this fails, clean thelens using a cloth lightly dampened with commercial lenscleaner.MonitorRemove dust or lint with a blower. To remove fingerprints andother stains, clean the monitor with a soft, dry cloth, beingcareful not to apply pressure.BodyUse a blower to remove dust, dirt, or sand then wipe gentlywith a soft, dry cloth. After using the camera at the beach orseaside, wipe off any sand or salt with a dry cloth lightlydampened with fresh water, then dry thoroughly. Note thatforeign matter inside the camera could cause damage notcovered by the warranty.
