Tuning the Gamma 2 Feature

This section describes how to tune the Gamma 2 feature to control the 10-bit R, G, and B gamma lookup table used by the gamma module in the third party IP group G4 within a DC8200.

Before you begin

Make sure:
  • The details view shows the settings of the Gamma 2 feature for a DC8200 project.

    For information about how to show the settings in the details view, see Tuning a DC8200 Feature.

    Figure 1. Details View When the Gamma 2 Feature is Selected

  • The VTunerClient is connected to a VTunerServer that works with a DC8200.

    For information about how to set up a connection to a VTunerServer, see Setting Up a Connection to a VTunerServer.

Procedure

  1. In the Select the Enable Gamma Correction check box to enable the gamma module.
  2. Select or clear the BS After Gamma and BS Before Gamma check boxes to control whether to enable BS before and after the gamma module in G4.
  3. In the Gamma Value spin box, specify the gamma value.
  4. In the Blue Screen (R/G/B) spin boxes, specify the R, G, and B values of the blue screen color.
  5. In the Control Points text box, specify the number of control points in the curve.
  6. To further adjust the gamma curve, drag each point in the plot to tune the gamma mapping value.
    Alternatively, double-click each cell in the control point table and modify the value of the point.

Results

  • The tuning results are printed in the Console view in real time.
  • The image displayed on the VTunerServer side is updated.