[. . . ] The color of the beams changes all the time using laser blanking technology. Several working modes: DMX-control: 1channel for easy operation or 10 channels for full control Standalone: sound activated (internal mic) or automatic Master/slave: wonderful synchronized shows Optional CA-8 remote controller available Built-in microphone 3-digit LED display for easy menu navigation Optional CA-8 controller for additional functions available Key actuated on/off switch and emergency switch (interlock) input for additional safety Complies to EN/IEC 60825-1 Ed2, 2007-03 for Laser Safety This symbol means: indoor use only. The minimum distance between light-output and the illuminated surface must be more than 1 meter. To protect the environment, please try to recycle the packing material as much as possible. [. . . ] The legal instructions for using a laser product vary from country to country. The user must always inform himself on the legal instructions valid in his country and apply them to his situation. the parent document and cornerstone of laser safety standards ANSI Z136. 1 (2007) provides guidance for the safe use of lasers and laser systems by defining control measures for each of the four laser classes. Org Please note that JB SYSTEMS cannot be made liable for damages caused by incorrect installations and unskilled operation!INTERNAL MICROPHONE: The built-in microphone is used to synchronize the laser show to the beat of the music. DMX OUTPUT: 3pin female XLR-connector used to connect the TWIN EFFECT LASER with the next unit in the DMX chain. Apart from DMX-mode you can also select 4 other working modes, see further to learn more about these modes. CONTROL PANEL: Used to select the different functions of the laser, see further to learn how to operate the unit. REMOTE CONTROLLER INPUT: Input for the CA-8 remote hand controller, see further for more information on this issue. SAFETY EYE: used to attach a safety cable when the unit is rigged (see paragraph "overhead rigging" 10. MUSIC INPUT SENSITIVITY: This potentiometer is used to adjust the music input sensitivity. INTERLOCK input: used to connect the optional emergency stop switch (see picture). For your own safety we strongly recommend to connect this optional switch!SOUND LED: flashes to the sound of the music detected by the internal microphone. HANGING BRACKET: with 2 knobs on both sides to fasten the unit and a mounting hole to fix a mounting hook. LASER OUTPUT: Here the laser beam leaves the enclosure, make sure to NEVER look inside the unit through this opening while the laser effect is switched on!LASER WARNING SIGN: warns against a potentially dangerous laser when not used by skilled operators. Use the keys to make sure only a skilled operator is able to switch the laser on. 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. [. . . ] When an optical lens is visibly damaged due to cracks or deep scratches, it must be replaced. 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. [. . . ]