Canon EOS 5D Replacing the Date/Time Battery, Tighten the battery holder screw, 197

Replacing the Date/Time Battery

The date/time (back-up) battery maintains the camera’s date and time. Its service life is about 5 years. If you turn on the power and the date/ time is reset, replace the back-up battery with a new CR1616 lithium battery as described below.

The date/time setting will also be reset, so be sure to set the correct date/time (p.42).

1 Set the power switch to <2>.

2 Unscrewscrew. the battery holder

Use a small Philips screwdriver.

Be careful not to lose the screw.

3 Take off the battery holder. Push out the battery in direction d.

4 Replaceholder. the battery in the battery

Make sure the battery is in the proper + – orientation.

5 Tighten the battery holder screw.

For the date/time battery, be sure to use a CR1616 lithium battery.

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