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Solution
Raise the [ISO speed] to use a fast shutter speed when you wish to reduce the effects of camera shake or avoid blurry subjects, or to turn the flash off when shooting in a dark area.
Caution
The following explanations are provided based on the assumption that the [Shooting Mode] is set to [Program AE] (
).
).The procedure is shown on a PowerShot ELPH 180 / IXUS 175 for the purposes of explanation. The position and shape of the operation buttons, screens displayed, and setting items may differ according to the model you use.
To set the [ISO Speed], it is necessary to set the [Shooting Mode] to one of the following modes:
- [Program AE] (
1. Press the ⋖Power⋗ button to turn the camera on.
2. Press the ⋖FUNC./SET⋗ (
3. Press the [ 
4. Press the [
| Guide for changing the ISO speed | ||
|---|---|---|
| Automatically adjusts the ISO speed to suit the shooting mode and conditions. | |
  | Low High | For shooting outdoors in fair weather. |
  | For shooting in cloudy conditions, or at twilight. | |
 | For shooting night scenes, or in dark rooms. | |
5. Press the ⋖FUNC./SET⋗ (
The setting you selected will be displayed on the screen.
Caution
To view the automatically set ISO speed when the camera is set to [ ], press the shutter button halfway.
], press the shutter button halfway.Lowering the [ISO speed] results in sharper images, but there may be an increased chance of image blurring in certain shooting conditions.
Raising the [ISO speed] results in a faster shutter speed, reducing image blurring and letting the flash reach greater distances to the subject. The images, however, will appear coarse