PRG Best Boy Field Service Manual - Manual (Page 43)

BEST BOY 4000 ® SPOT LUMINAIRE FIELD SERVICE MANUAL 35
Adjusting Lamp
After a new lamp is installed, it will be necessary to align the lamp in order to center and flatten the hot spot. Knobs
located at the luminaire’s backcap allow for adjustment.
Tools & Supplies:
none
WARNING: Backcap may be HOT during lamp operation.
To adjust 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, set beam size iris to 85%, set zoom for mid-range, and adjust for hard edge.
Step 5. Open iris without adjusting edge or zoom.
Step 6. At backcap, using horizontal (X) and vertical (Y) knobs, adjust hot spot to center of beam (Figure 3-10).
Step 7. Using focus (Z) knob, adjust beam to flatten hot spot.
Figure 3-10: Adjusting the Lamp
Note: Be sure to reset Lamp Hours when installing a new lamp.
X
Y
Z