How to Turn On/Off Your Flash
For most cameras, the flash button is designated with a lightning bolt. A lot of compact cameras have it on the directional pad. If you can't find it, refer to your camera's manual.
If you press the flash button, you may get a menu or your camera may cycle through the flash modes.
Use Your Flash Around Noontime
At first, this may seem somewhat counter-intuitive. There's enough light all around you, especially when the sun is way up there in the sky, so why in the world would you need to use your flash? Well, the simple answer is that the light is right above your subject so that tends to make an unflattering picture full of shadows over his or her face.
The simple solution is to turn on your flash and put it in fill flash or backlighting mode (check your camera manual). If your camera doesn't have a fill flash mode, then just turn on the flash and it should automatically give you the right amount of flash power. This will lower the contrast of the subject so that it is within the range of the sensor by "filling in" the harsh and ugly shadows with the light from the flash. The following picture was taken with the flash on; without the flash it would have created extremely harsh shadows all over her face.
Summary: Use fill flash around noontime to avoid harsh shadows.
Turn Off Flash Indoors (Sometimes)
Most consumer digital cameras are designed to merely get the shot when it comes to dim indoor lighting, but most of the time a direct flash looks harsh and unflattering. Sometimes you want to capture the ambiance of