ETC Source Four Mini LED - Manual (Page 6)

3
Install Lens Tube
A lens tube must be installed prior to use of the Source Four Mini LED. There are
four lens tube sizes available; 19°, 26°, 36°, and 50°.
Step 1: Unscrew the beam focus knob from the loose lens tube.
Step 2: Slide the lens tube into the shutter barrel.
Step 3: Install the beam focus knob.
Adjustments
Adjusting the yoke position
The Source Four Mini LED provides multi-positioning capabilities within its yoke for
overall fixture angle.
Setting the angle with the yoke
Step 1: Loosen the yoke locking knob. Do not remove the knob.
Step 2: Tilt the fixture to the desired position.
Step 3: Tighten the yoke locking knob to secure position.
Beam focus knob
Yoke locking
knob