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Source Four Fresnel User Manual
Adjusting the Yoke
Adjusting the Yoke Balance Point
You can adjust the yoke mounting position on the fixture to accommodate varying weights of different
accessories. For example, move the yoke balance point forward (toward the lens) to balance the
additional weight of a color scroller and barn door assembly in the accessory slot.
1:
Loosen the nuts on both sides of the yoke assembly while keeping the fixture steady using the
handle on the rear of the unit.
Figure 9: Yoke balance and angle adjustment
2:
Loosen the yoke locking knob so that the fixture moves freely.
3:
Slide the fixture back and forth until it is properly balanced.
4:
Tighten the yoke locking knob.
5:
Tighten the two nuts.
Adjusting the Fixture Angle
You can tilt the fixture up and down to position the light where it is needed. See
1:
On the side of the yoke, loosen the yoke locking knob while keeping the fixture steady using the
handle on the rear of the unit.
2:
With the fixture turned on, use the handle to tilt the fixture to the desired angle.
3:
Tighten the yoke locking knob.
Yoke locking
knob
Locking nut
Handle