User manual YAMAHA YPR30

[. . . ] · Disconnect all cables before moving the unit. · Physical shocks caused by dropping, bumping, or placing heavy objects on the unit can result in scratches and more serious damage. Cleaning · Clean the cabinet and panel with a dry soft cloth. · A slightly damp cloth may be used to remove stubborn grime and dirt. [. . . ] If you experience any hearing loss or ringing in the ears, you should consult an audiologist. IMPORTANT: The louder the sound, the shorter the time period before damage occurs. NOTICE: Service charges incurred due to a lack of knowledge relating to how a function or effect works (when the unit is operating as designed) are not covered by the manufacturer's warranty, and are therefore the owner's responsibility. Please study this manual carefully and consult your dealer before requesting service. ENVIRONMENTAL ISSUES: Yamaha strives to produce products that are both user safe and environmentally friendly. We sincerely believe that our products and the production methods used to produce them meet these goals. In keeping with both the letter and the spirit of the law, we want you to be aware of the following: 13 Battery Notice: This product may also use "household" type batteries. Make sure that the battery being charged is a rechargeable type and that the charger is intended for the battery being charged. When installing batteries, do not mix old batteries with new, or with batteries of a different type. Mismatches or incorrect installation may result in overheating and battery case rupture. FCC INFORMATION (U. S. A. ) 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. Always turn the power OFF when making AC power connections or replacing batteries. Using a Power Adaptor Please use the supplied power adaptor. *(adaptor not included in some countries) 1. Plug the DC output cable from the adaptor into the DC10-12V jack q on the top panel. Plug the AC adaptor into a convenient wall AC power socket. Using Batteries 1. Open the battery compartment, located on the back panel of the ST7. When using an AC adaptor, use the supplied AC adaptorPA-1D to power the ST7. The use of an incompatible adaptor may result in irreparable damage, or cause fire. The use of an incompatible adaptor may also void the warranty. It is recommended that batteries be replaced early. Run down batteries will result in the following: 2. Insert six AAA size 1. 5V batteries taking careful note of the polarity markings as shown in the illustration above. Place the batteries on top of the ribbon for easy removal at a later date. 1 Reverb does not function properly. 3 Noise becomes audible. When one of these symptoms appears, take note of the cautions below and replace the used batteries with a complete set of new batteries. Make sure to follow polarity indications on the battery compartment when replacing batteries. [. . . ] Use the PLAYER 1 VOLUME y and the MASTER VOLUME u to adjust the volume to a comfortable playing level. The PLAYER 1 VOLUME y controls the level of the PICKUP MUTE 1 w Jack. The MASTER VOLUME u controls the overall volume of the ST7 (PLAYER 1 VOLUME y , PLAYER 2 VOLUME i and AUX IN VOLUME o) simultaneously. (When the AUX IN VOLUME o is set to minimum, no sound will be produced from equipment (CD player, etc). [. . . ]