User's Manual

Scopes

The Gratical offers three different scopes: Histogram, Waveform, and Vectorscope.

Histogram

• (Luminance): The luma Histogram shows all luminance values in the image, from

black to white.

• (RGB):The RGB Histogram shows histogram analyses for each color, Red, Green,

Blue. This lets you compare the relative distribution of each color.

• (Scale): Select to show the histogram in a linear or logarithmic scale.

Waveform (Luminance):

• Shows exposure in IRE at a given location in the image, left to right.

Vectorscope (Saturation):

• Measures the chrominance in the image, including saturation and hue.

Histogram Waveform Vectorscope