General
Q: Help, I don't know how to use function "X"!
A: Most of the functionality in OptiWin 3D pro is described in the help file. You can press F1 to access the help file at any time in OptiWin 3D pro.
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Q: The application suddenly stops working with an "Out of memory" error.
A: This can in most cases be fixed with a restart, especially on Windows XP. You can also reduce the chance of this error by closing unncesessary applications.
Display
Q: The graphics in the luminaire window and/or CAD window are corrupted!
A: This is usually resolved simply by updating your graphics drivers to the latest version.
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Start the Advanced Catalyst Control Center ('CCC - Advanced')
Click the Graphics menu and select 'Switchable Graphics'
Click on the 'High-performance GPU' button
Click OK to save settings, then restart Optiwin 3D pro
Luminaire Placement
Q: I changed luminaire types, and now the calculation result seems to be much lower than expected.
A: When changing luminaire types the height of the luminaires will not be automatically adjusted. Select your luminaires/groups and use the function 'Place in ceiling' to fix this.