Canon CHDK - Manual (Page 24)

Show live histogram [Donʼt, Always, Shoot] < Histogram parameters < Main Menu
• Donʼt – Don’t show histogram on LCD.
• Always – Always show the histogram on the LCD.
• Shoot – Only show the histogram when shutter is half-pressed.
Histogram layout [RGB, Y, RGB Y, R G B, RGB all, Y all, Blend, Blend Y]
• RGB – Displays the RGB histogram only.
• Y – Displays the luminance histogram only.
• RGB Y – Displays RGB above luminance.
• R G B – Displays three histograms, one for each color.
• RGB all – Displays all 5 variations of histograms with RGB on top.
• Y all – Displays all 5 variations of histograms with luminance on top.
• Blend – Combines the three histogram of the R G B display into one.
• Blend Y – Same as Blend but with the addition of luminance below.
Histogram Screenshots
RGB
RGB Y
RGB Y R G B
RGB all Y all
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