The Indicator Lamp

When the viewfinder is not in use, the indicator lamp shows camera status.

Glows green: Focus locked.
Blinks green: Focus or exposure warning. Pictures can be taken.
Blinks green and orange: Recording pictures. Additional pictures can be taken.
Glows orange: Recording pictures. No additional pictures can be taken at this time.
Blinks orange: Flash charging; flash will not fire when picture is taken.
Blinks red: Lens or memory error.

Warnings may also appear in the display.

The indicator lamp does not light when your eye is to the viewfinder.