[. . . ] Locate the fixture in a well ventilated spot, away from any flammable materials and/or liquids. Don't cover any ventilation openings as this may result in overheating. Make sure the area below the installation place is free from unwanted persons during rigging, de-rigging and servicing. Allow the device about 10 minutes to cool down before replacing the bulb or start servicing. [. . . ] If you touched the lamp, clean it with a cloth and a little denatured alcohol. Important: The installation must be carried out by qualified service personal only. Improper installation can result in serious injuries and/or damage to property. Working load limits should be respected, certified installation materials should be used, the installed device should be inspected regularly for safety. Make sure the area below the installation place is free from unwanted persons during rigging, de-rigging and servicing. Locate the fixture in a well ventilated spot, far away from any flammable materials and/or liquids. The device should be installed out of reach of people and outside areas where persons may walk by or be seated. Before rigging make sure that the installation area can hold a minimum point load of 10times the device's weight. Always use a certified safety cable that can hold 12times the weight of the device when installing the unit. This secondary safety attachment should be installed in a way that no part of the installation can drop more than 20cm if the main attachment fails. The device should be well fixed; a free-swinging mounting is dangerous and may not be considered!Don't cover any ventilation openings as this may result in overheating. The operator has to make sure that the safety-relating and machine-technical installations are approved by an expert before using them for the first time. The installations should be inspected every year by a skilled person to be sure that safety is still optimal. never unscrew the screws of the rotating gobo as the ball bearing will be opened. Open the plastic top cover (4screws) Locate the gobo wheel and remove the fixation ring of the gobo you want to change with an appropriate tool. Press the fixation-ring together and insert it in the front of the gobo. REMOTE CONTROL INPUT: Used to connect a optional CA-8 hand controller while the unit is used in standalone or master/slave mode. SENSITIVITY: Used to adjust the sensitivity of the micro when the unit is used in standalone or master/slave mode. (or automatically return to the main functions without any change after 8 seconds) To go back to the functions without any change press the MENU button again. Split colors: you can select full colors and 2 colors that are next to each other on the color wheel. (or automatically return to the main functions without any change after 8 seconds) To go back to the functions without any change press the MENU button again. [. . . ] The mains cables must be in impeccable condition and should be replaced immediately when even a small problem is detected. In order to protect the device from overheat the cooling fans (if any) and ventilation openings should be cleaned monthly. The interior of the device should be cleaned annually using a vacuum cleaner or air-jet. The cleaning of internal and external optical lenses and/or mirrors must be carried out periodically to optimize light output. [. . . ]