https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-have-a-Rebel-T3i-and-I-can-t-set-ISO-to-100/m-p/127612#M68040 <P>I just answered my own question. &nbsp;Page 79 of the manual, go into gear wrench 3, C.Fn, select 6 and 0 for disable. &nbsp;Now I have ISO 100.</P> Mon, 08 Dec 2014 02:08:16 GMT lindap 2014-12-08T02:08:16Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-have-a-Rebel-T3i-and-I-can-t-set-ISO-to-100/m-p/127610#M68039 <P>I get a reading that says can't get ISO 100 because Highlight Tone Priority is enabled - Auto D+. &nbsp;The only way I can access Highlight Tone Priority is with video setting, I change to disable, hit set then go back to ISO but it still gives me the same error message. &nbsp;What else can I do?</P> Mon, 08 Dec 2014 01:54:04 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-have-a-Rebel-T3i-and-I-can-t-set-ISO-to-100/m-p/127610#M68039 lindap 2014-12-08T01:54:04Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-have-a-Rebel-T3i-and-I-can-t-set-ISO-to-100/m-p/127612#M68040 <P>I just answered my own question. &nbsp;Page 79 of the manual, go into gear wrench 3, C.Fn, select 6 and 0 for disable. &nbsp;Now I have ISO 100.</P> Mon, 08 Dec 2014 02:08:16 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-have-a-Rebel-T3i-and-I-can-t-set-ISO-to-100/m-p/127612#M68040 lindap 2014-12-08T02:08:16Z