Olympus WS-310M WS-300M Instructions (English) - Page 10

Inserting Battery Inserting Battery 11 2 1 Lightly press down on the arrow and slide the battery cover open. 2 Insert size-AAA alkaline battery, observing the correct polarity. 3 Close the battery cover completely. Replacing the Battery The battery indicator on the display changes as the battery loses power. 3 ➜ ➜ When appears on the display, replace the battery as soon as possible. When the battery is too weak, the recorder shuts down and "Battery Low" appears on the display. AAA alkaline battery is recommended. Ni-MH Rechargeable Battery An optional Ni-MH rechargeable battery from Olympus can be used for the recorder ( P.84). ...Notes • Be sure to stop the recorder before replacing the battery. Unloading the battery while the recorder is in use may corrupt the file. If you are recording into a file and the battery runs out, you will lose your currently recorded file because the file header will not be able to close. It is crucial to change the battery once you see only one hash mark in the battery indicator. • If it takes longer than 1 hour to replace the dead battery, you may have to reset the time when you load a fresh battery ( P.12). • Remove the battery if you are not going to use the recorder for an extended period of time. 10