171Installing BatteriesAAA Alkaline Batteries1 Lightly press down on the battery coverrelease button, then open the batterycover.2 Insert two AAA batteries, observing thecorrect polarity as shown in the illustrationbelow, then close the battery cover.Insert the batteries in the direction inscribed onthe inside of the recorder’s battery compartment.In addition, when inserting the batteries, insertthem so that the tape is under the batteries, asshown in the illustration. The batteries can thenbe removed easily by pulling up the tape. Whenpulling on the tape the batteries may suddenlypop out, so be sure to press down lightly thebatteries with your finger while pulling.The battery indicator on the display changesas the batteries lose power.Replacing BatteriesWhen appears on the display, replace thebatteries as soon as possible.When the batteries are too weak, the recordershuts down and [ Battery Low] appearson the display.Installing BatteriesNotes• Be sure to turn OFF the recorder before replacingthe batteries. Removing the batteries while the recorderis in use may corrupt the card. If you are recording intoa file and the batteries run out, you will lose yourcurrently recorded file since the file header will not bewritten. It is crucial to replace the batteries when onehash mark in shown in the battery icon.• Be sure to replace both batteries at the same time.• Never mix old and new batteries, or batteries ofdifferent types and/or brands.• If it takes longer than 1 minute to replace dead batteries,you may have to reset the time when you load newbatteries.• Remove the batteries if you are not going to use therecorder for an extended period of time.Cautions Concerning the BatteryWarning• Using batteries for which part or allof the external coating (insulatingsheath) is peeling off or batterieswhich have ruptured may cause fluidleaks, overheating, and explosions.For this reason such batteries shouldabsolutely not be used.• Commercially available batteries forwhich part or all of the externalcoating (insulation sheath) has beenpeeled off should absolutely not beused.Unusable batteriesBatteries for which the entire external coating(insulating sheath) is peeled off (naked batteries),or those where it has partially been peeled off.