Datacolor Spyder3 Elite Help Manual page 33

levels.
You might want to use Measured Luminance Mode if you are matching multiple
monitors that are viewed side-by-side. If you work in an environment where your
system administrator assigns specific Luminance Values, you will want to use this
mode.
If you decide that you want to select Measured Luminance Mode, you will need to
determine the appropriate Luminance Values. This is discussed in the Help for the
Specify Luminance Values screen.
Further Information
For information such as a list of Frequently Asked Questions and details on all
Datacolor products be sure to visit our website: www.datacolor.com/Spyder3