Pixel Magic Systems VPS3800 - Manual (Page 58)

7.2 ADVANCED GAMMA CORRECTION
This option is available only in firmware version 2.00 or later
7.2.1 USER DEFINED GAMMA CURVE
When User is selected as the Gamma Type and the action button is pressed, the OSD
turns to the following page:
Use the Left/Right remote control keys to select one of the 20 Input IRE Adjustment Points (refer
to the graph above).
Once selected, press the OK remote control key. The OSD turns to the following page:
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