Canon PowerShot Pro 90 IS User Guide
Appendices
121
Appendices
Replacing the Button Battery
If the Set Date/Time menu appears when you turn on the camera power, the button
battery charge is low and the date and time settings have been lost. Please replace the
battery with a generic CR2025 lithium button battery with the following procedures.
battery charge is low and the date and time settings have been lost. Please replace the
battery with a generic CR2025 lithium button battery with the following procedures.
The button battery is preinstalled at the factory and may therefore expire earlier
than its rated lifespan after the camera has been purchased.
than its rated lifespan after the camera has been purchased.
• Be particularly careful to keep the button batteries out of the reach of children.
Seek medical assistance immediately if a child swallows a battery since corrosive
battery fluids could damage the stomach or intestinal wall.
battery fluids could damage the stomach or intestinal wall.
1
Turn the main dial to
.
2
Slide the CF card slot cover in the
direction of the arrow and lift it to
open.
direction of the arrow and lift it to
open.
3
Insert a fingernail at in the diagram
and lift up to remove the button
battery holder.
and lift up to remove the button
battery holder.
4
Remove the battery from the holder by
pulling it in the direction of the arrow.
pulling it in the direction of the arrow.
Groove
1
1