Replacing The Date/Time Battery - Canon EOS 70 Instruction Manual

Replacing the Date/Time Battery
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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 CR 1616 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
<OFF>.
Remove the battery.
Take off the battery holder.
Replace the battery.
~ Make sure the battery is in the proper
+ -
orientation.
Insert the battery holder.
~,
Then load the battery and close the
cover.
Q
For the date/time battery, be sure to use a CR 1616 lithium battery.
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