39
APPENDIX A
Gamma LUT File Format
The Gamma Look Up Table can be programmed using the
GefenUpdater.exe
program from the Gefen software package. To do this, following the instructions
below:
1
Create the Gamma LUT.
2
Create a standard ASCII text
fi
le with the following line:
GefenUpdater GAMMA fi lename.csv
where
fi
lename.csv is the name of the Gamma LUT
fi
le.
3
Save the
fi
le as UpdateGamma.bat. Make sure that the GefenUpdater.exe
fi
le resides in the same directory (or is in the path) as the UpdateGamma.bat
fi
le.
4
Connect a USB cable from the computer to the HD to 3GSDI Scaler.
5
Power on the HD to 3GSDI Scaler. Once the Scaler has powered up, run
the
UpdateGamma.bat
fi
le.
The LUT is a standard .CSV
fi
le. Each line contains Red, Green and Blue values
separate by comma ”,”. A value must be between 0 and 1023. A
fi
le must contain
1024 lines:
1023,0,0
(Line 1)
1023,0,0
1023,0,0
1023,0,0
1023,0,0
1023,0,0
1023,0,0
…
…
1023,0,0
(Line 1024)
Summary of Contents for GEF-HD-2-3GSDIS
Page 1: ...HDMI to 3GSDI Scaler GEF HD 2 3GSDIS User Manual 1080P www gefenpro com...
Page 2: ......
Page 8: ...4 PANEL LAYOUT Front Panel 1 2 3...
Page 10: ...6 PANEL LAYOUT Back Panel 1 4 6 7 5 3 8 10 2 9...
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