4:
Operating Instructions
64
Quantity
Gray level amount
Gray
Level
Gray level type (0 - 65,535).
Count
The number of gray levels in the image.
Edge
Refers to image sharpness.
Peak
The grayscale value with the highest number of pixels.
Min
Indicates the lowest reading in the statistical curve.
Max
Indicates the highest reading in the statistical curve. A maximum of 65,535
indicates the highest rating.
Median
The median grayscale is the value in the exact middle between the maximum
grayscale and the minimum grayscale of the image.
Min/Max sliders
Manually change the image stretch level by clicking the right or left green
arrows or by moving the slider. Moving the Min/Max sliders will result in
different image Min/Max gray levels.
Restore Original
Restores any stretching actions to the original image values.
Contrast
Stretching
Auto increase the stretching of the image. This option helps reveal low
concentrations of biological samples in the gel.
Set step size
Control the step size of each click on a given Min/Max slider arrow by setting
the step size to a value between 1 and 1000.
Inverted Image
Inverted image inverts the color scale, i.e., light areas appear dark and dark areas appear light, much
like a negative. This feature is particularly useful when you need to decipher close bands.
To Invert an Image
1
Click the Invert Image
icon.
2
Click the icon again to revert to the original view of the image.