Canon REALiS WX450ST Pro AV User Manual - Page 118
Restoring Original Gamma Settings
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Customizing System Operation (System Settings) Restoring Original Gamma Settings > [System settings] > [Other settings] > [Gamma restore] HDMI Digital PC Component Analog PC LAN USB This function is used when changing and turning of the tone characteristics and achromatic color is noticed over a long period of time. Gamma restore can only be used when the lamp has been on for approximately 30 minutes or longer. If Gamma restore is performed, the tone characteristics and achromatic color will be restored as close as possible to the condition when the projector was purchased, however it is not possible to restore it completely to the original condition. So the changing and turning color cannot be eliminated completely. Off Returns to the factory default without performing Gamma restore. Adjust Performs Gamma restore and applies the result. OK Gamma restore is performed. Cancel Gamma restore is not performed. • If Gamma restore is performed, the projected image will be adjusted for a period of approximately 150 seconds. • To stop Gamma restore, press the POWER button or the EXIT button. 118