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# Adjustment and Measurement Dialog

LProf is an open source application that creates ICC profile for cameras, scanners and monitors.

This dialog is used to perform various functions related to calibration and measurement of our display. This is where you do actual measuremetns using your measurement device. The dialog is divided into several areas that have different fuctions.

### Measurement Area

In the center of the screen is the measurement area. This is the gray square area in the middle of the screen. The measurement area can be resized and moved around using the slider ocntrols to the left, right and above the measurement area. The slider to the right controls the measurement areas size and the other two control it's position.

### Go and Done Buttons

After you have sized and positioned the measuremetn area with the slider and placed you measurement device over the measurement area you can start the measurement process by clicking the "Go" button. If you are perorming one of the display adjustment processes such as adjusting the white point or black level you can tell this dialog you are done by clicking the 'Done". If you are running the calibration or measurement process pressing the "Done" button will abort the process.

### Progress Bar

The progress bar at the buttom of the dialog is used for two different purposes. If you are running one of the adjustment process it is used to indicated measurement activity and will jump approximately 20% after each measurement. It will cycle back to 0% after reaching 100%. It you are running a calibration or measurement process it will indicate how far into the process you are and the process is complete when it reaches 100%.

### Meassage Area

Just above the progress bar and the buttons is the message area. This area is used to display messages including messages about what to do and any error messages that happen during the adjustment, calibration or measurement process.

### Adjustment Indicator Bars

If you are doing one of the adjust steps you will see either one gray vertical bar on the right side of the dialog or three red, green and blue indicators on the left side of the dialog. The gray bar is used while adjusting the black level or the white level to guide setting the display controls to get the correct setting of the contrast and brightness controls. The red, green and blue indicators are used for setting the white point and black point as a guide to help in setting the RGB gain controls and for black point the RGB brightness controls.

### White Point and Delta E

If you are setting either the white point or the black point below the RGB adjustment indicator bars you will see a White point and a Delta E display. These will indicate the current color temperature and the Delta E of the current white/black point from the desired setting.

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