Canon PowerShot G15 User Guide - Page 164

Still Images Specific Shutter Speeds and Aperture Values ( Mode) Follow these steps before shooting to set your preferred shutter speed and aperture value to obtain the desired exposure. For details on available shutter speeds and aperture values, see "Specifications" (=303). Aperture Value Shutter Speed Standard Exposure Level Exposure Level Mark Exposure Level Indicator 1 Enter mode. zzSet the mode dial to . 2 Configure the setting. zzTurn the dial to set the shutter speed, and turn the dial to set the aperture value. XXAn exposure level mark based on your specified value is shown on the exposure level indicator for comparison to the standard exposure level. XXThe exposure level mark is shown in orange when the difference from standard exposure exceeds 2 stops. "-2" or "+2" is displayed in orange in the lower right when you press the shutter button halfway. • After you set the shutter speed or aperture value, the exposure level may change if you adjust the zoom or recompose the shot. • Screen brightness may change depending on your specified shutter speed or aperture value. However, screen brightness remains the same when the flash is up and the mode is set to [h]. • To have both the shutter speed and aperture value automatically adjusted to obtain standard exposure, hold the shutter button halfway and press the < > button. Note that standard exposure may not be possible with some settings. • With shutter speeds of 1.3 seconds or slower, ISO speed is [ ] and cannot be changed. 164