Auto flash AUTO 
In dim light, such as indoors or outdoors in heavy shade, or on dark overcast days, you need flash. Your camera features an automatic flash that fires when you need it. The
Fill flash 
When in bright sun or when bright light comes from behind the sub- ject, dark shadows (especially on faces) may occur. Use fill flash to lighten these shadows and to add sparkle to your subject’s eyes. 20
Flash off
When you do not want to use the flash, especially indoors where flash is prohibited, or to capture the ambiance of existing light, use the