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3
The lamp positioning controls are accessible
through the back cover of the lamphead. Three
clearance holes are located around the center air
intake cap at the twelve, four, and eight o’clock
positions. A #2 phillips screwdriver with a blade
exceeding 6 inches (15.25cm) in length is required.
After nightfall (outdoors) or in a dark room (indoors), observe the column of projected light.
The light may appear brighter on one side of the beam. If so, insert the screwdriver though
one of the clearance holes and locate the phillips-head adjusting screw. Alternately tighten
and loosen the adjusting screw while observing the bright portion of the light. Do not
adjust more than one full turn of the screw. If the bright portion is not centered, try one or
both of the other two adjusting screws. Tighten or loosen the adjusting screws in sequence
while observing the light beam. It will normally take a very minor adjustment of two or all
three screws to center the brightest portion of the beam. A degree of light spillover from
the beam is also normal.
Once the lamp is positioned, set the desired projection angle and tighten both yoke clamp-
ing knobs. Turn on the MOTION switch to set the lamhead in motion. The knob adjacent
to the MOTION switch can adjusted to be set to the desired speed of rotation.
At the end of the duty cycle, turn both LAMP and MOTION switches to the OFF positions.
The metal halide lamp does not required a forced-air cooling period, but it will not readily
restart until it has cooled to ambient temperature (approximately 30 minutes).
“12 o’clock”
“4 o’clock”
“8 o’clock”
Содержание MiniTracker
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