determine the correct Black and White Luminance levels for your working environment
by performing a Visual mode calibration and then use those levels in the future when
you run in Measured mode. Thus you establish target values visually and then
consistently set to those values in all future calibrations numerically.
Remember, the main purpose of Calibration is consistency. You choose your target
values and then you maintain your monitor at those values through regular calibration.
Gamma
These values show the calculated gamma of a gray ramp measured on the monitor.
This is generally an approximation since most monitors do not exhibit a tone response
that exactly follows the shape of gamma. Each calculated value is followed by a
number in parenthesis which provides an indication of how closely the measured curve
actually matches the gamma curve being indicated.
Uncalibrated
The value measured when the monitor is in its uncalibrated state. That is, the gamma
of the display before any adjustment has been performed.
Target
The desired or target value specified by the user. This value can be set in the Select
Target screen or the Select Gamma screen.
Calibrated
The value measured when the monitor is in its calibrated state. That is, the tone
response of the display after being adjusted expressed as a gamma value. This value
should closely match the Target value and is an indication of how well the calibration
actually adjusted the monitor’s behavior from the uncalibrated state to match the
desired or target state.
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
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