Canon PowerShot A40 PowerShot A40/A30 Camera User Guide - Page 161

or Canon AA-size NiMH

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Problem Cause The batteries Batteries are not the are consumed right type. quickly. The batteries are cold. Battery terminals are dirty. The batteries have not been used for over a year. If rechargeable batteries: The batteries have lost their effectiveness. Solution Use only unused AAsize alkaline batteries or Canon AA-size NiMH batteries. (For the information about alkaline batteries, see "Proper Battery Handling" (p. 19).) Battery performance deteriorates at low temperatures. If shooting in a cold area, keep the batteries warm (by placing them in an inner pocket, etc.) until ready to use them. Wipe them well with a dry cloth before use. If batteries are rechargeable: Performance should return to normal after several charging cycles. Discard all 4 batter ies and replace with new ones. 157

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157
Problem
Cause
Solution
Use only unused AA-
size alkaline batteries
or Canon AA-size NiMH
batteries. (For the
information about
alkaline batteries, see
“Proper Battery
Handling” (p. 19).)
Battery performance
deteriorates at low
temperatures. If
shooting in a cold area,
keep the batteries
warm (by placing them
in an inner pocket, etc.)
until ready to use them.
Wipe them well with a
dry cloth before use.
If batteries are
rechargeable:
Performance should
return to normal after
several charging
cycles.
Discard all 4 batter ies
and replace with new
ones.
Batteries are not the
right type.
The batteries are cold.
Battery terminals are
dirty.
The batteries have not
been used for over a
year.
If rechargeable
batteries: The batteries
have lost their
effectiveness.
The batteries
are consumed
quickly.