Canon Powershot A590 IS User Manual page 161

Battery
Batteries consumed quickly.
Battery is not being used
to its full capacity.
Batteries are not the right
type.
Battery capacity drops
due to low ambient
temperatures.
Battery terminals are dirty.
If using Canon AA-size NiMH batteries
As the batteries have not
been used for over a year,
their recharging capacity
has decreased.
Battery life has been
exceeded.
TV monitor output
Image is distorted or not showing on TV monitor.
Incorrect video system
setting.
See Battery (p. 171).
Use only unused AA-size alkaline
batteries or Canon AA-size NiMH
batteries (p. 171).
If shooting in a cold location, warm the
batteries such as by placing them in
your pocket before using them.
Wipe the terminals well with a dry
cloth before use.
Reload the batteries several times.
Their charging performance should
return to normal after fully recharging
and depleting them over several
times.
Replace both batteries with new ones.
Set the video system to the
appropriate setting, NTSC or PAL, for
your TV (p. 53).
159