The date/time (back-up) battery maintains the camera' s date and time. The battery' s service life is about 5 years. If the date/time is reset when the battery is replaced, replace the back-up battery with a new CR2016 lithium battery as described below.

The date/time setting will also be reset, so you must set the correct date/time.

-	1. Set the power switch to <OFF>.
	2. Open the cover and remove the battery.
	3. Take out the battery holder.
	4. Replace the battery in the battery holder. Be sure the battery' s orientation (+/-) is correct.
	5. Insert the battery holder and close the cover.