Alto dpa 2500 400 user manual

Page 1

1SAFETY RELATED SYMBOLSCAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN¡ã This symbol, wherever used, alerts you to the pre- sence of un-insulated and dangerous voltages with- in the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death. Protective Ground Terminal AC mains (Alternating Current) Hazardous Live Terminal ON: Denotes the product is turned on. This symbol, wherever used, alerts you to impo- rtant operating and maintenance instructions. Please read. OFF: Denotes the product is turned off. WARNING Describes precautions that should be observed to prevent the possibility of death or injury to the user. CAUTION Describes precautions that should be observed to prevent damage to the product. £»Power Supply Ensure that the mains source voltage (AC outlet) matches the voltage rating of the product. Failure to do so could result in damage to the product and possibly the user. Unplug the product before electrical storms occur and when unused for long periods of time to reduce the risk of electric shock or fire. £»External Connection Always use proper ready-made insulated mains cabling (power cord). Failure to do so could result in shock/death or fire. If in doubt, seek advice from a registered electrician. £»Do Not Remove Any Covers Within the product are areas where high voltages may present. To reduce the risk of electric shock do not remove any covers unless the AC mains power cord is removed. Covers should be removed by qualified service personnel only. No user serviceable parts inside. £»Fuse To prevent fire and damage to the product, use only the recommended fuse type as indicated in this manual. Do not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is OFF and disconnected from the AC outlet. £»Protective Ground Before turning the product ON, make sure that it is connected to Ground. This is to prevent the risk of electric shock. Never cut internal or external Ground wires. Likewise, never remove Ground wiring from the Protective Ground Terminal. £»Operating Conditions Always install in accordance with the manufacturer's instructions. To avoid the risk of electric shock and damage, do not subject this product to any liquid/rain or moisture. Do not use this product when in close proximity to water. Do not install this product near any direct heat source. Do not block areas of ventilation. Failure to do so could result in fire. Keep product away from naked flames. IMPORTANT SAFETY INSTRUCTIONS Read these instructions Follow all instructions Keep these instructions. Do not discard. Heed all warnings. Only use attachments/accessories specified by the manufacturer. £»Power Cord and Plug Do not tamper with the power cord or plug. These are designed for your safety. Do not remove Ground connections! If the plug does not fit your AC outlet seek advice from a qualified electrician. Protect the power cord and plug from any physical stress to avoid risk of electric shock. Do not place heavy objects on the power cord. This could cause electric shock or fire. £»Cleaning When required, either blow off dust from the product or use a dry cloth. Do not use any solvents such as Benzol or Alcohol. For safety, keep product clean and free from dust. £»Servicing Refer all servicing to qualified service personnel only. Do not perform any servicing other than those instruc- tions contained within the User's Manual.WARNING

Page 2

2PREFACEDear Customer:For ¡¶LTO AUDIO TEAM, music and audio are much more than a job, they are a passion and an obsession! By purchasing our ¡¶LTO products you become the most important member of our ¡¶LTO AUDIO TEAM. We would like to share with you our passion for what we design and we invite you to make suggestions, which will aid us in developing future products for you. We guarantee you our commitment to quality, continual research and development, and of course the best performance/price ratio. Thank you very much. ¡¶LTO AUDIO TEAM We have been designing professional audio products for a long time in cooperation with many of the world's major brands. We would like to thank all the people that worked with us to make a vision real! Our designers and ¡¶LTO staff made the DPA2500/4000 Stereo Power Amplifier, a very reliable and high quality product ready for all your venues. And thanks to their passion for music and professional audio it has been possible for us to offer you, our most important team member, our continued support too. Our ¡¶LTO DPA2500/4000 Stereo Power Amplifier is the result of many hours of listening and tests involving common people, area experts, musicians and technicians. The result of this effort is the sophisticated circuit design featuring high power and superb quality together with superior reliability and stability to provide the highest possible audio performance. The ¡¶LTO line represents unparalleled analogue and digital products made by musicians, for musicians. With our design centres in Italy, the Netherlands, and the United Kingdom we provide you with world-class designs, while our software development teams continue to develop an impressive range of audio specific algorithms.endeavors. Thanks for choosing ¡¶LTO DPA2500/4000 Stereo Power Amplifier which is the result of our ¡¶LTO AUDIO TEAM's