Changing the ISO Speed
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, 400, 800 and 1600. This function is only available in P,Av,Tv, and M modes.
When in the (Auto) camera shooting mode only and can be selected.
1. Press the <ISO> () button on the Multi Controller.
2. Each press of the or button toggles thru the settings (ISO Auto, HI, 80, 100, 200, 400, 800 and 1600.)