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German Light Products GT-1 User Manual

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Fixture software version .92

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Summary of Contents for German Light Products GT-1

  • Page 1 Fixture software version .92...
  • Page 2 © 2017-2019 German Light Products GmbH. All rights reserved. The marks ‘GLP’ and ‘German Light Products’ are trademarks registered as the property of German Light Products GmbH in Germany, in the United States of America and in other countries. The information contained in this document is subject to change without notice. German Light...

  • Page 3: Table Of Contents

    Table of Contents 1. Safety ........................5 Key to symbols ....................5 General safety information ................5 Electrical safety ....................6 Fire safety and protection from burns ............7 Eye safety ......................7 Strobe safety ...................... 8 Lamp safety ....................... 8 Installation safety and protection from personal injury .......
  • Page 4 5. Connections ......................20 Starting and stopping operation ..............20 6. Control panel ......................21 7. Control menus ....................... 22 8. DMX control layout ....................24 Normal Mode (23 DMX channels) ..............24 9. Optional accessories ................... 27 10. Cleaning and maintenance ................28 Suggested maintenance intervals ...............

  • Page 5: Safety

    Both documents are available for download from www.glp.de. The GT-1 is intended for use by experienced professionals with the knowledge and skills to set up, operate, and maintain high-powered, remotely controlled lighting equipment safely and efficiently. These operations require expertise that may not be provided in this manual.

  • Page 6: Electrical Safety

    UL-listed, type SJT or equivalent. In the EU the cables must be type H05VV-F or equivalent. • Disconnect the fixture from power before attempting to replace the main fuse. Replace the fuse with one of the specified type only (see the product specifications at the end of this manual). GT-1 User Manual...

  • Page 7: Fire Safety And Protection From Burns

    Eye safety • The GT-1 is classified as a Risk Group 2 lighting fixture according to EN 62471. Possibly hazardous radiation emitted. Do not stare into the light output from the product. May be harmful to the eyes.

  • Page 8: Strobe Safety

    Pack the remains safely and send to a specialist waste facility for disposal. • Send all used lamps to a specialist waste facility for appropriate disposal. Do not dispose of a used lamp with household or office waste. GT-1 User Manual...

  • Page 9: Installation Safety And Protection From Personal Injury

    • If the product becomes damaged, stop using it immediately and disconnect it from power. Do not attempt to use a product that is obviously damaged. • Do not modify the product in any way not described in its user documentation. • Install genuine GLP parts only. GT-1 User Manual...

  • Page 10: Avoiding Damage To The Fixture

    • Do not expose the front of the fixture to sunlight or any other strong light source. • In outdoor applications during daylight, make sure that the front face of the fixture is shielded or points away from the sun, even when the fixture is not in use. GT-1 User Manual...

  • Page 11: Avoiding Damage From Dust And Airborne Particles

    • Release the fixture’s tilt lock before putting the fixture in its flightcase for transportation. Before closing the flightcase, check that the protective liner in the flightcase will hold the head and protect it from shocks. • Store the fixture in a dry location when not in use. GT-1 User Manual...

  • Page 12: Overview Of Features

    Lamp The GT-1’s OSRAM SIRIUS HRI 440W lamp is a compact reflector lamp with a very short arc and high light output optimized to create sparkling effects. The lamp was developed specifically for moving heads to perform in any position. It outputs 22,000 lumens at a color temperature of 7300 K with a color rendering index of 80.

  • Page 13: Gobos

    22.9 mm in diameter with a maximum image diameter of 13 mm. They may be manufactured in 0.8 mm 5052 aluminum or 1 mm litho/dichro coated quartz. See page 30 for the gobo replacement procedure. Figure 3. Stock rotating gobos GT-1 User Manual...

  • Page 14: Dimming And Shutter Effects

    DMX. Focus and zoom The GT-1 has a 3-element optical train with motorized front lens, zoom lens, and focus lens. The fixture’s two-stage zoom system narrows the focused beam from 56° down to 3.5° by moving the zoom lens from front to back. It narrows the beam to 2.5° in Beam Mode by moving the front lens forward.

  • Page 15: Prisms And Frost

    ® Prisms and frost The GT-1 features three rotating prisms: a 3-facet, an 8-facet, and a 4-facet linear prism. The prisms can be rotated to indexed positions or continuously at variable speed. Inserting or removing a prism with zoom at a DMX level from 107-208 will cause a small change in the zoom lens position.

  • Page 16: Preparation For Use

    M10 x 25 countersunk bolts for fastening half-couplers. Cardboard packaging To remove a GT-1 from cardboard packaging, open the top of the box and remove the floor stand and upper piece of foam packing material. Use the cutouts in the lower piece of foam located by the yoke and base to place hands under fixture.

  • Page 17: Mounting Upright On A Level Surface

    German Light Products ® Accessories are available to mount the GT-1 in various positions. These fasten to the connectors on the base. Mounting upright on a level surface For upright installation on a stable horizontal surface, fasten the floor stand shipped with the fixture to the base. See drawings on right and below.

  • Page 18: Head-Down Mounting

    Head-down mounting Using omega brackets To hang the GT-1 from a rigging truss or similar structure with the head hanging downwards using omega brackets and rigging clamps: Obtain two omega brackets that are approved for the weight of the fixture. Line up the camlock quarter-turn pins in the brackets with the holes int the base and turn the locking levers a full 90°...
  • Page 19 ® Sideways Mounting For sideways mounting, the fixture may be clamped to a vertical truss using two clamps. See above for clamp installation options. Do not attempt to mount the GT-1 sideways on a horizontal truss. Figure 9. Sideways Mounting...

  • Page 20: Connections

    5. Connections Power The GT-1 provides a 3-conductor, 20 A Neutrik powerCON socket for connection to AC power. The autosensing power supply accepts 100-240 V, 50/60 Hz AC power. Do not connect the fixture to any other voltage or an external dimmer.

  • Page 21: Control Panel

    Turn the control dial to scroll menu options. Press the Enter button to select a setting, issue a command, or enter a submenu. Press the Mode button to escape and return to the top of the menu. DMX control is disabled when the menu is active. GT-1 User Manual...

  • Page 22: Control Menus

    RotGobo Pos. offset -99 to 99 Enter position offset values RotGobo Rot. offset FixGobo offset ColorWheel offset Cyan offset Cyan offset fine Magenta offset Magenta offset fine Yellow offset Yellow offset fine * May be set remotely by DMX GT-1 User Manual...
  • Page 23 ON/OFF Reverse pan control Reverse tilt* ON/OFF Reverse tilt control Reverse zoom* ON/OFF Reverse zoom control Reset pan/tilt only* Reset pan/tilt movement Reset head only* Reset effects in head Reset* Reset everything * May be set remotely by DMX GT-1 User Manual...

  • Page 24: Dmx Control Layout

    Coarse gobo indexing & Negative rotation, fast to slow 50-74% 128-191 rotation, MSB rotation Rotation stop Positive rotation, slow to fast 76-100% 193-255 Gobo indexing / Fine gobo indexing & Fine indexing/rotation speed 0-100% 0-255 rotation, LSB rotation GT-1 User Manual...
  • Page 25 21 Effect wheel Insert effect wheel Full out to full in 0-100% 0-255 Rotation stop Effect wheel Negative rotation, fast to slow 1-49% 1-127 Effect wheel rotation rotation Rotation stop Positive rotation, slow to fast 51-100% 129-255 GT-1 User Manual...
  • Page 26 Enable DMX hold 220-223 Zoom inverse Off 224-227 Zoom inverse On 228-231 Tilt inverse Off 232-235 Tilt inverse On 236-239 Pan inverse Off 240-243 Pan inverse On 244-248 Return fixture to factory defaults 249-251 Fixture reset 99-100% 252-255 GT-1 User Manual...

  • Page 27: Optional Accessories

    German Light Products ® 9. Optional accessories Accessory Part Number Notes Omega bracket 87070 For attachment of rigging clamps. 2 required. Omega bracket with handle 87072 For lifting. 2 required. Trussbar call For sideways rigging. GT-1 User Manual...

  • Page 28: Cleaning And Maintenance

    Service) Cleaning GT-1 components require occasional cleaning to prevent the buildup of dust, dirt, and smoke fluid residue. Pay special attention to the air vents and front lens. Failure to keep the fixture clean will significantly reduce light output and may cause damage. Do not let optical parts come into contact with oil or grease or touch with bare fingers.

  • Page 29: Head Maintenance

    To remove the top head shell, orient the head as shown below with the front lens to the right and the yoke arm with the GT-1 logo facing you. To remove the bottom head shell, orient the head with the front lens to the left.
  • Page 30 Figure 15. Removing a glass gobo Insert the replacement gobo with the coated side facing the lamp. Replace the gobo spring and rotate the holder to verify that the spring is fully seated against the disc. Replace the top head shell. GT-1 User Manual...
  • Page 31 Tilt the head down to slide the zoom lens clear of the module, then lift the module up and out of the head (panel 6). Figure 16. Removing the gobo module When installing, insert the module plate into the slots behind the captive thumb screws. Figure 17: Module slot GT-1 User Manual...
  • Page 32 Remove the lamp and disconnect the lamp wires (8). Inspect the UV shield and have it replaced if it is cracked or damaged (9). All optical components must be in good condition to prevent injury from UV radiation. Figure 18. Lamp removal GT-1 User Manual...
  • Page 33 Install the top and bottom head covers. Reset the lamp hours counter from the display panel. Before installing the rear head cover, you may want to check lamp alignment and adjust if necessary as described below. Figure 19: Lamp installation GT-1 User Manual...

  • Page 34: Lamp Adjustment

    • GLP Germany: +49 (7248) 927 1955 • GLP N. America: +1 818 767-8899 • GLP U.K.: +44 1392 690140 • GLP Asia: +852 (3151) 7730 • GLP Nordic: +46 737 57 11 40 GT-1 User Manual...

  • Page 35: Technical Specifications

    Dimmer: 0-100% electromechanical Shutter: Electromechanical Connectors Signal connection: 5-pin XLR and 3-pin XLR input & output Power input: Neutrik PowerCon Electrical Mains voltage: 100-240 VAC, 50/60 Hz Power consumption (@ 230V): 720 W Fuse: 20 mm T 8 A GT-1 User Manual...
  • Page 36 Standard color: Black Options: Special colors on request Dimensions and weight Length: 229 mm / 9 in Width: 472 mm / 18.6 in Height (head vertical): 618 mm / 24.3 in Weight: 25 kg / 55 lbs GT-1 User Manual...

  • Page 37: Dimensions

    German Light Products ® 12. Dimensions Dimensions are given in millimeters 452 143 GT-1 User Manual...

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