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Adjusting shutters – ETC Source Four XT HID Zoom User Manual User Manual

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Source Four XT HID Zoom User Manual

Step 3:

Adjust the focus lens if needed. See

Focusing the Beam, page 8

.

Step 4:

Reinstall the barrel.

Adjusting Shutters

Use the shutters to shape the light beam. For example, you may want to use them to block the light

from falling on part of a building. Or you may want to frame a sign. The shutters are held in place

by a spring shutter retention system. You do not need to tighten or loosen the screws to make

adjustments.

Step 1:

Remove the barrel as described in

Removing and Installing the Barrel, page 7

.

Step 2:

Turn the Source Four XT on and aim it at the structure you are illuminating.

Step 3:

Pull the shutters outward so that the aperture is fully open.

Figure-11 Shutters and Their Tabs.

Step 4:

Use the tabs on the shutters to move them to block the beam as needed.

Keep in mind that the blocking is reversed.

Step 5:

Reinstall the barrel.

Shutters

Shutter tabs