Source Four jr / jr Zoom Fixture information HPL lamp table CAUTION: The Source Four jr is rated for 575W maximum lamp. Do not use lamps other than the HPL in Source Four fixtures. Use of lamps other than HPL or greater than 575W will void your warranty.
ETC User Manual Source Four jr / jr Zoom Color frame holder Retaining The color frame holder is clip equipped with a spring-loaded retaining clip that prevents color frames and accessories from falling out. WARNING: Make sure all color frame accessories are locked in position with the retaining clip before hanging the Source Four.
ETC User Manual Source Four jr / jr Zoom Replacing the HPL lamp A lamp must be installed before you use the fixture. Note: Verify that the HPL lamp you intend to install is suitable for your facility’s voltage; 115-, 120-, 230-, and 240-volt HPL lamps are available.
ETC User Manual Source Four jr / jr Zoom 4: Align the flat sides of the lamp base with the retention brackets on either side of the socket as shown below. HPL lamp Lamp retention Lamp retention clip brackets Knurled bolt Lamp housing 5: Push down on the lamp base until the lamp seats firmly.
Focusing the beam On a fixed field angle Source Four jr with a 26°, 36° or 50° lens, adjust the lens single beam focus knob to focus the edge of the beam. On a Source Four jr Zoom, adjust the position of both lens beam focus knobs to set the beam’s spread and to focus the edge of the beam.
ETC User Manual Source Four jr / jr Zoom Shaping the beam The beam can be shaped using the shutters, a pattern, or an optional drop-in iris. Pattern Projection The pattern holder slot is on the top side of the barrel and in front of the shutters.
ETC User Manual Source Four jr / jr Zoom Adjusting the C-clamp Pipe bolt The C-clamp attaches the fixture to the mounting pipe C-clamp Yoke bolt and and allows you to adjust the lockwasher position of the fixture once it...
ETC User Manual Source Four jr / jr Zoom Adjusting the yoke position The Source Four jr / jr Zoom provides multi-positioning capabilities within its yoke for overall fixture height and angle. Setting the fixture height within the yoke The fixture is equipped with a two-position yoke for modifying the overall height in which the fixture is mounted (see figure below).
ETC User Manual Source Four jr / jr Zoom Lens and Reflector Switching lens assemblies Lens tray Follow these procedures to replace a fixed field lens with Zoom lens. 1: Loosen the screw at the front of the baffle. See figure at right.
Do not immerse or soak the glass in any cleaning solution. Replace lenses if they contain visible damage (cracks or deep scratches) that may impair their effectiveness. Source Four jr / jr Zoom Assembly 1: Remove the lens assembly. See Guide for lens removal instructions.
Lamp retention clip brackets Knurled bolt Lamp housing Source Four jr / jr Zoom Assembly Guide 2: Remove the lens. See for full fixture disassembly/assembly instructions. 3: Remove dust with a blast of oil-free air or wipe with a clean, lint-free cloth.
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