Canon POWERSHOT A1000IS User Manual page 68

The camera automatically sets basic functions, but unlike in _ mode or
shooting various scenes, you can freely make your own settings.
* AE stands for Auto Exposure
........................................................ C oooo..,o ,o
purpose. (pp. 69 - 78)
.......Shoot.
If a correct exposure cannot be obtained when pressing the shutter button
halfway, shutter speed and aperture value are shown in red. Try the following
settings to obtain the correct exposure.
Turn on the flash. (p. 59)
Choose a higher ISO speed. (p. 72)
Change the metering mode (p. 85)
68