Thanks for the input. SPECTRAL_BANDS value is "110". When not using the -H paramter I got a value of "36". So the original file seems to have the -H used. Is the -T 0.4 doing something bad? Vittorio Villani > Date: Tue, 21 Dec 2010 12:30:16 +1100 > From: graeme@xxxxxxxxxxxxx > To: argyllcms@xxxxxxxxxxxxx > Subject: [argyllcms] Re: chartread -r error: The resumed spectral type seems > to have changed! > > Vittorio Villani wrote: > > > chartread -v -H -B -T0.4 name > > > chartread -v -H -B -T0.4 -r name > > > > When I finish the reading I press d but I get this error: > > chartread: Error - The resumed spectral type seems to have changed! > > All I can suggest is that you are mistaken in thinking that you used > "-H" for the original chartread. Take a look at the "SPECTRAL_BANDS" > value in the .ti3 to check. > > Graeme Gill. >