Canon PowerShot V10 Advanced User's Manual page 36

Indicator Display
Indicator display varies depending on the camera status.
Color Indicator Status
Turned on
Slow blinking
Green
Blinking
Turned on
Orange
Blinking
Recording stills to the memory card, or reading stills from the card
Display off
Recording movies to the memory card, or reading movies from the card
Transmitting via Wi-Fi
Charging via USB
USB charging error
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Camera Status