ETC Source Four XT HID Zoom User Manual - Manual (Page 14)

12 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