Canon Digital IXUS 860 IS User Manual page 195

Continuous shooting slows down.
The memory card's
performance has dropped.
Recording images to memory card takes a long
time.
Memory card was formatted
in another device.
Lens will not retract.
Memory card slot/battery
cover was opened with
power on.
To enhance the continuous shooting
performance, you are recommended
to format the memory card in the
camera after you save all its images
to your computer
Use a memory card formatted in your
camera (p. 65).
After closing the memory card slot/
battery cover, turn the power on then
back off.
Troubleshooting
(p. 65).
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