ETC Source Four Revolution User Manual page 39

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Adjusting the lamp:

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

Step 6:

Routine Maintenance

Apply power to the fixture and allow it to complete its calibration.

Bring intensity to full and aim the fixture at a flat surface.

Unlock and loosen the outer lamp adjust knob by turning it counter-clockwise.

Gently move the outer lamp adjust knob from side to side and up and down until

the lamp is centered in the reflector. The correct positioning puts the brightest

spot in the center of the flat surface with equal fall-off toward the edges.

Turn the outer lamp adjust knob clockwise to lock the lamp into position.

Turn the inner lamp adjust knob either direction to achieve an optimum field.

Turning to the right (clockwise) creates a flat field, which provides best results for

gobos. If you turn it too far, it can create a dark center. Turning to the left

(counter-clockwise) creates a peak in the center.

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