eLine Technology SIP Camera IT1 CCD Sensor Configuration Red - Manual (Page 2)

You need to select the WhiteBalance option.
White balance includes 2 modes: PUSH and ATW. PUSH is suitable for wide range of colour temperature, but it is not so precise
as ATW while the range of colour temperature of ATW is 2500K-9500K,smaller than PUSH mode.
Change this to PUSH
Example as above the picture then becomes as below: Correcting the Red shift on colour image.
From this: to this:
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