Canon PowerShot A310 User Manual page 18

Preparing the Camera
When the indicator next to the viewfinder
blinks green, the camera is writing,
reading, erasing, or transmitting an image
to or from the CF card. Do not perform the
following operations as recorded images
may be damaged as a result.
• Turn the camera off
• Open the CF card slot/battery cover
• Shake the camera
You are recommended to use CF cards
that have been formatted in your camera
(p. 18). The card supplied with the
camera may be used without further
formatting.
We recommend that you use the
separately sold AC Adapter Kit ACK800 to
power the camera during long usage
sessions (p. 109).
The separately sold battery charger kit
lets you use rechargeable NiMH
batteries to power the camera (p. 106).
See Battery Performance (p. 114).
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For information about the Battery and
Charger Kit and AA-size rechargeable
NiMH batteries, see the System Map
(separate from this guide).
See CF Cards and Estimated Capacities
(Recordable Images) (p. 114).
Proper Battery Handling
Use AA-size alkaline or Canon AA-size NiMH
batteries (sold separately) only. For information
on handling the AA-size rechargeable NiMH
batteries, see Using the Power Kits (Sold
Separately) (p. 106).
Never use manganese or lithium batteries, as
these battery types may overheat in the camera.
Since the performance of alkaline batteries
may differ according to brand, the operating
time of the batteries you purchase may not be
as long as the batteries that came with the
camera.