Aligning the lamp – PRG VL6C+ User Manual
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VL6C+ ™ SPOT LUMINAIRE USER MANUAL
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Aligning the Lamp
The design of the VL6C+ optical system is based on an optimally flat field. A flat field is one where there is no
detectable hot spot.
After a new lamp is installed, it will be necessary to align the lamp to optimize the beam. Knobs located at the
luminaire’s backcap allow for adjustment.
Tools:
Screwdriver, #2 Phillips
To align lamp:
WARNING:
Backcap and adjustment knobs will be HOT during lamp operation. Wear gloves and/or use
tools to prevent burns.
To align lamp:
Step
1. Power up luminaire and allow to warm up for at least ten minutes.
Step
2. Set intensity to 100%.
Step
3. Position beam on a white wall at a distance of 10' to 20'.
Step
4. Using control console, open beam size iris, set zoom for mid-range, and adjust for hard edge.
Step
5. At backcap, using vertical and horizontal knobs, adjust hot spot to center of beam
Step
6. Using focus knob, adjust beam for flat field.
Figure 4-2: Lamp Alignment Controls
Vertical
Horizontal
Focus
Captive Knob for lamp access
(does not adjust beam)