Change the ISO speed when shooting in dark places or when you want to shoot with a faster shutter speed. You can choose from the following speeds: ISO 80, 100, 200, and 400. This function is only available in and modes.
When in the (Auto) camera shooting mode only is used.
1. Press the <FUNC./SET> button.
2. Each press of the or (ISO) button toggles thru the settings (ISO Auto, 80, 100, 200 and 400.)
Higher ISO speeds increase the image noise. To take clean images, use as low an ISO speed as possible.
Although the (Auto) sets the optimal ISO speed according to the light level when shooting. Since the ISO speed setting will automatically be raised in dark places, the camera will select a faster shutter speed and reduce the chances of camera shake.