User manual YAMAHA T-100

[. . . ] Take care as to where and how you place the instrument. Be aware of climatic conditions such as temperature, humidity, etc. Keep the instrument away from heat sources such as heaters, etc. Also, do not use or store the instrument in any extreme conditions of temperature or humidity. Doing so may result in damage to key balance, linkage, or pads, resulting in problems during performance. Do not modify the instrument. Besides voiding the warranty, modification of the instrument may make repairs impossible. In regards to brass instruments with a plate finish, the color of the finish may change over time however, it should be of no concern in regards to the instrument's performance. Discoloration in its early stage can easily be removed with maintenance. [. . . ] When the hand stopping technique is used, the 4th valve on the YHR-332 lets you use regular fingerings in combination with this technique. Also, when setup as shown in the illustration below, it can be used in the same way as the 2nd valve, lowering the pitch a half-step. * What is Gestopft or hand stopping?This is a technique used on F Single or Double Horns(using F side) where the hand is placed further into the bell to raise the horn's pitch by a half-step and change the tone of the instrument. But doing so requires the player to transpose the score down a half step to produce the correct pitch. The 4th valve on the YHR-322 compensates for the difference in pitch when using the hand stop technique, so you can read the score as is and still get the correct pitch. 24 Maintenance Caring for your instrument after playing To keep your instrument both looking and playing well, make sure you take proper care of it after you have finished playing. When caring for the instrument, place it on a table or, hold it securely in your hands, taking care not to drop it. Valve Slide Maintenance Body Maintenance Use a polishing cloth to gently wipe the instrument's surface. If dirt or tarnish is obvious, the following products can be used. 1. Remove the valve slides to remove any moisture. * Removing the valve slide without holding the corresponding lever down creates a drop in air pressure within the pipe, creating a suction that can result in poor rotor function or damage to the inside of the pipe. 2. If the instrument has a water key, remove moisture from the water key too. For lacquer finishes. . . Polishing cloth + lacquer polish For silver plate. . . Silver cloth + silver polish For a beautiful shine, buff the instrument with a silicone cloth. Once a Week Maintenance Rotor Maintenance 1. * The valve slides are made of brass or nickel silver, which are both excellent at resisting corrosion. However, corrosion may appear if moisture is left in the instrument for an extended period of time. It enhances clarity in the mid-low range such as C (actual F) or G (actual C) and stable intonation. The F Natural Slide is designed so that the horn fits in the case when attached. F Natural Slide 31 Troubleshooting Tone is not clear and pitch is poor. · Dirt has accumulated inside the tubing. Use the procedure described in the "Valve Slide Maintenance" section and wash out the insides of the tubing. · The water key cork is cracked causing air to leak. Replace the water key cork with a new one. · The mouthpiece is loose and rattles, and air is leaking from around the mouthpiece. · There is a large dent in the tubing, and air is leaking from the ferrules where the tubing connects. · There is a foreign object in the tubing. · Holes in the rotors are not aligned with holes in the valve casing branches. Bei der Auslieferung des Instruments ist dieses Ventil so eingerichtet, dass das Horn beim Betätigen des Hebels von der F-Seite zur B-Seite wechselt. La 4ème palette des cors doubles sert à faire passer l'instrument de Fa en Si b. [. . . ] Les doigtés de gauche doivent être utilisés pour les notes à double doigté. Les doigtés de droite représentent un autre doigté possible. Algunas partes de a clave de bajos de música clásica y romántica, etc. , están escritas especialmente una octava menos. El digitado de la izquierda debe tocarse para notas que tienen doble digitado. [. . . ]