Canon EOS-1D EOS-1D Instructions - Page 149

Replacing the Back-up Battery

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Replacing the Back-up Battery The back-up battery maintains the camera's date and time. The battery's service life is about 10 years. If the date/time is reset upon battery pack replacement, replace the back-up battery with a new CR2025 lithium battery as described below. 1 Set the < > switch to < > and remove the battery pack. • The back-up battery is on the ceiling of the battery pack compartment. 2 •Remove the back-up battery cover. Loosen the screw as shown in the illustration. 3 Remove the back-up battery. (+) 4 •Install a new back-up battery. The plus side of the battery must face up. 5 •Reattach the battery cover. After you install the battery and set the < > switch to < >, the LCD monitor will display the menu for setting the date and time. Follow the steps 2 to 4 9 on page 148 to set the correct date and time. Maintenance For the back-up battery, be sure to use only a CR2025 lithium battery. 149

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149
Maintenance
9
Replacing the Back-up Battery
The back-up battery maintains the camera’s date and time. The battery’s service life is about
10 years. If the date/time is reset upon battery pack replacement, replace the back-up battery
with a new CR2025 lithium battery as described below.
Set the <
> switch to <
> and
remove the battery pack.
•
The back-up battery is on the ceiling of the battery
pack compartment.
1
Remove the back-up battery cover.
•
Loosen the screw as shown in the illustration.
2
Remove the back-up battery.
3
Install a new back-up battery.
•
The plus side of the battery must face up.
4
Reattach the battery cover.
•
After you install the battery and set the <
> switch
to <
>, the LCD monitor will display the menu for
setting the date and time. Follow the steps
2
to
4
on page 148 to set the correct date and time.
5
For the back-up battery, be sure to use only a CR2025 lithium battery.
(+)