User manual YAMAHA SPX990

[. . . ] It may make repair impossible. · Avoid leaving the instrument in a car for any extended period of time. Extreme temperatures, such as during the summer and winter months, can be harmful to the instrument. 2 Cautions Relating to the Instrument The instrument's body is made from natural woods (spruce, maple, ebony, etc. ) that are held together with glue. For this reason, there may be some cases in which sudden changes in temperature or humidity cause the glue to fail, or tuning or performance related problems. [. . . ] · Make sure you wipe the rosin dust off from the instrument after you finish playing. The violin is a very delicate instrument. Any of the following can lead to damage and should be avoided. · Playing or leaving the instrument where it is exposed to direct sunshine. · Playing or leaving the instrument in places with high humidity. · Playing or leaving the instrument close to heat sources such as heaters, etc. · Playing or leaving the instrument where it is in direct contact with cold air coming from air conditioners, etc. Plated parts such as the adjusters, metal brackets on the chin rest, etc. , may tarnish over time due to the makeup of the metal plating. This, however, will have no influence on the performance of these parts. When tarnish first appears, normal maintenance and cleaning may be enough to remove the tarnish. (If the tarnish progresses normal cleaning may not be sufficient. ) As the instrument and many of its parts are made of natural wood, there may be some cases, where objects that come in contact with the wood (hands, parts of the body, cleaning cloth, etc. ) may become discolored. Color on body parts is not harmful to your health but you should wash and remove it with water. · After tuning is complete, make sure that the tailpiece side of the bridge is still properly aligned. If the bridge is leaning in either direction, slightly loosen the strings and carefully re-align the bridge using both hands. 6 Before Playing the Instrument · The fine tuner on the 1st string can be used for fine tuning the pitch of the string. Caution · · When tuning the strings, do not over loosen or over tighten the fine tuner. Doing so may result in damage to the instrument, or cause noise during performance. Please note that the fine tuner can come into contact with the body and cause damage if the bridge is removed from the instrument. · Periodic tuning during performance or practice may be necessary. Please tune the instrument in the following manner. [Holding the Pegs] The 3rd String [D] · Avoid contact or putting pressure on the 4th string (G) tuning peg with your thumb. The 2nd String (A) · Avoid contact or putting pressure on the 1st string (E) tuning peg with your thumb. The 4th String (G) · Avoid contact or putting pressure on the 3rd string (D) tuning peg with your index finger. The 1st String (E) · Avoid contact or putting pressure on the 2nd string (A) tuning peg with your index finger. 7 Changing Strings As the strings get old, sound quality will gradually decrease, and it will become difficult to tune the instrument. Change the strings as soon as you think they are getting old. Always change strings one at a time, even when changing all of the strings. Caution · · The end of the strings are sharp and can cut fingers. When changing or adjusting strings, do not put your face close to the instrument. [. . . ] When changing or adjusting strings, do not put your face close to the instrument. The string may suddenly break resulting in eye or other unexpected injuries. 1 Use a piano, tuning fork, tuner, etc. , and adjust the pitch of each string using the tuning pegs. Before you string the instrument, set the fine tuner so that it is in the middle of its adjustment range. [. . . ]