Keywords: Smptebluechannel.jpg SMPTE color bars as seen in calibration mode blue channel only The large bars are well matched to the smaller segments underneath showing that the chrominance and luminance components are adjusted correctly en wikipedia 2006-08-18 Ianmacm wikipedia en symbol Ianmacm original upload log page en wikipedia Smptebluechannel jpg 2006-08-18 20 11 Ianmacm 450×338×8 8045 bytes <nowiki>SMPTE color bars as seen in calibration mode blue channel only The large bars are well matched to the smaller segments underneath showing that the chrominance and luminance components are adjusted correctly </nowiki> Test patterns SMPTE color bars |