Yamaha FX500 FX500 Owners Manual Image - Page 4

1. Precautions !! PLEASE READ THIS BEFORE PROCEEDING !! 1.AVOID EXCESSIVE HEAT, HUMIDITY, DUST AND VIBRATION Keep the unit away from locations where it is likely to be exposed to high temperatures or humidity -- such as near radiators, stoves, etc. Also avoid locations which are subject to excessive dust accumulation or vibration which could cause mechanical damage. 2.AVOID PHYSICAL SHOCKS Strong physical shocks to the unit can cause damage. Handle it with care. 3.DO NOT OPEN THE CASE OR ATTEMPT REPAIRS OR MODIFICATIONS YOURSELF This product contains no user-serviceable parts. Refer all maintenance to qualified Yamaha service personnel. Opening the case and/or tampering with the internal circuitry will void the warranty. 4.MAKE SURE POWER IS OFF BEFORE MAKING OR REMOVING CONNECTIONS Always turn the power OFF prior to connecting or disconnecting cables. 5.HANDLE CABLES CAREFULLY Always plug and unplug cables - including the cord of the power supply - by gripping the connector, not the cord. 6.CLEAN WITH A SOFT DRY CLOTH Never use solvents such as benzine or thinner to clean the unit. Wipe clean with a soft, dry cloth. 7.ALWAYS USE THE CORRECT POWER SUPPLY Always use the supplied AC Adaptor to power your FX500 or, if the original adaptor is lost or broken, a replacement or equivalent type obtained from your Yamaha dealer. Also, make sure that the adaptor you have is appropriate for the AC mains supply voltage in the area where you intend to use the FX500 (the correct INPUT voltage is marked on the adaptor). 8.ELECTRICAL INTERFERENCE Since the FX500 contains digital circuitry, it may cause interference and noise if placed too close to TV sets, radios or similar equipment. If such a problem does occur, move the FX500 further away from the affected equipment. 9.MEMORY BACKUP The FX500 contains a special long-life battery that retains the contents of its internal RAM memory even when the power is turned OFF. The backup battery should last for approximately 5 years. When the battery voltage drops to a level that is too low to maintain the memory contents, the following message will appear on the FX500 display when the power is turned ON: ** WARNING ** MEMORY DATA If this display appears, have the backup battery replaced by qualified Yamaha service personnel. DO NOT ATTEMPT TO REPLACE THE BACKUP BATTERY YOURSELF! FCC CERTIFICATION (USA) This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturers instructions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference in a residential installation. However,there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient the receiving antenna. Relocate the equipment with respect to the receiver. Move the equipment away from the receiver. Plug the equipment into a different AC power outlet so that it and the receiver are on different branch circuits. If necessary, the user should consult the dealer or an experienced radio/television technician for additional suggestions. The user may find the following booklet prepared by the Federal Communications Commission helpful: "How to Identify and Resolve Radio-TV Interference Problems". This booklet is available from the U.S. Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345-4. 3