Canon A540 - Manual (Page 22)

20
The camera indicators will light or blink under the following
conditions.
! Upper Indicator
! Lower Indicator
Indicators
Never do the following while the green indicator blinks.
These actions may corrupt image data.
- Shake or jolt the camera
- Shut off the power, or open the memory card slot/battery
cover
Green: Ready to shoot
Blinking Green: Image recording/reading/erasing/transferring
(when connected to a computer)
Orange: Ready to shoot (flash on)
Blinking Orange:Ready to shoot (camera shake warning),
charging flash
Yellow: Macro mode/Manual focus mode/AF lock mode
Blinking Yellow: Focusing difficulty (camera beeps once)