Color Frame Retaining Clip; Color Notes; Shaping The Beam - ETC Source Four User Manual

Color frame retaining clip

The color frame holder is equipped with a spring-loaded retaining clip that prevents
color frames and accessories from falling out ( Figure 5 ).
WARNING! Make sure all color frame accessories are locked in
position with the retaining clip before hanging the Source Four.
1. Release the retaining clip by pushing it sideways while gently pulling backwards.
2. Insert the color frame.
3. Lock the retaining clip by pushing sideways while gently pushing forward.

Color notes

ETC does not guarantee the performance
of saturated colors with low temperature
ranges. For best results, always use a high
quality and temperature color medium.
ETC's Source Four color extender may help
increase your gel life. Contact ETC or your
dealer for ordering information.
Note: An optional conical color extender
is available for use with saturated
colors and 750W HPL lamps.

Shaping the beam

You may shape the beam with the shutters, a pattern, an optional drop-in iris, or by
rotating the barrel.
Pattern projection
The pattern holder slot is on the top side of the barrel and in front of the shutters. It
accommodates A-size, B-size and glass pattern holders ( Figure 6 ).
Note: Because the Source Four aperture is three inches wide, ETC recommends
using A-size patterns for maximum pattern effectiveness.
Use an optional donut in the accessory holder to enhance pattern projection. Donut
diameter range should be 2.5 to 2.75 inches.
Drop-in iris slot
The drop-in iris slot is located on the top of the barrel and in front of the pattern
holder slot. It accommodates either a drop-in iris or a motorized pattern device.
When the slot is not in use, a small sheet metal cover secured with two Phillips
screws prevents light leakage ( Figure 7 ).
1. Use a Phillips screwdriver to loosen the screws on the drop-in iris slot cover. Do
not remove the screws.
2. Slide the cover completely forward to expose the slot.
3. Insert the iris or motorized pattern device. For an iris, install the flat side toward
the shutters and make sure that the iris handle extends from the slot.
4. Slide the slot cover back toward the shutters until it meets the iris handle. Leave
enough space to move the iris handle.
5. Secure the drop-in iris slot cover by tightening the screws.
Fixture Soft Focus Sharp Soft Focus
Version Tube Back Focus Tube Forward
5º
10º
19º
26º
36º
50º
=Better gel life
=Worse gel life
Retaining clip in the
locked position
Figure 5
Pattern holders
A-size holds 3" diameter patterns
B-size holds 2.75" and
2.5" diameter patterns
3.12" dia.
2.75" dia.
3.70"
Figure 6
3.70"
Drop-in iris slot
Figure 7
Source Four User Manual • 3
Iris