Martin RoboColor III Manual de usuario descargar pdf (Pagina 14)

14 Service and Maintenance RoboColor III

Optimizing the lamp for maximum output

The lamps are adjusted at the factory, however, fine adjustment of the lamp

assembly may be necessary to achieve maximum light output and a minimum hot-

spot.

1 The lamp housing access plate is held in place by 3 screws. Another 3

screws, shown below, are used to adjust the lamp-holder. Turning these

clockwise pulls the lamp towards the rear of the lamp housing and vice versa.

2 Select the 'Lamp Adjustment' DIP-switch setting by switching ON DIP-switch

number 8 and 10, and apply power to the system. After finishing the reset the

heads will produce white beams.

3 Move the head so the spot is projected on a flat surface. Focus the beam.

4 If there is an off-center “hot spot,” the lamp is not centered in the reflector.

Pull the hot spot into the center of the field with small adjustments of one or

more of the screws.

Note: the Martin Metal Halide lamp is nearly as large as

the reflector opening - very little side to side adjustment is possible or

necessary.

5 If the light is significantly brighter in the center of the field than it is at the

edge, the lamp is too far forward in the reflector. Pull the lamp in by turning all

three screws clockwise 1/4-turn at a time until the light is evenly distributed.

6 If the light is brighter around the edge than it is in the center, or if light output

is low, the lamp is too far back in the reflector. “Push” the lamp out by turning

the screws counterclockwise 1/4-turn at a time until the light is bright and

evenly distributed.

7 If you have made large sideways adjustments, disconnect the fixture from AC

power, allow it to cool, and remove the lamp assembly to ensure that the lamp

is still placed squarely in the socket.

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Martin RoboColor III Manual de usuario Pagina 14