Barco Athena, User Manual, Page: 21 / 74

3. Lenses & Lens selection
How to focus?
1. Use the “+” and “-” focus buttons on the Local Keypad to focus the image on the screen.
FOCUS
Image 3-5
Take into account that the lens focus may slightly drift while the lens is warming up from cold to operation
temperature. This is a typical phenomenon for projection lenses used with high brightness projectors. The
operation temperature of the lens is reached after approximately 30 minutes projection of average video.
Button backlight colors
• BLUE : The default backlight color of the Shift, Zoom and Focus buttons is blue which indicates that the button is enabled.
• PURPLE : When pushing the Shift, Zoom or Focus button the backlight color is purple of the part of the button that is pushed.
This indicates that the requested action is ongoing.
• RED : The backlight color of the Shift, Zoom and Focus buttons is red in case of end of range.
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