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Фрагмент инструкции
After winding, use the String Stopper Screw B to adjust the lever’s height. Rotor Stem Screw String Stopper Screw B String Stopper Screw A Lever Linkage Lowers the lever Raises the lever The YHR-567/567D is used in this illustration. ¦ Switching the 4th Lever Function . F/Bb Double Horn The Yamaha double horn is designed so that it normally plays in the key of F (open F) when the 4th lever is not depressed, and in the key of Bb when the 4th lever is depressed. However, by re-configuring the linkage as shown in the illustration below, this function can be reversed so that the horn plays in Bb (open Bb) when the lever is not depressed, and in the key of F when the lever is depressed. To use this setup, move the string and the string seat, then place the string over the string seat. String Stopper Screw B Rotor Stem Screw Lever Linkage String Stopper Screw A Open F Open Bb The YHR-567/567D is used in the illustration. 29 Other Adjustments You can change the stroke from long to short by changing the position of the bearing stopper screw on the YHR-567GDB. (Open F is shown in the illustration.) The 4th lever on the YHR-667V/VS, YHR-668D/ND, YHR-567/567GDB can be adjusted to better fit the players hand size and position. Use a screw driver and adjust the lever length as shown in the illustration below. Bearing stopper screw Install here for Open Bb. * When the bearing stopper screw is installed near the rotating center, the stroke will become short. When the screw is installed far from the rotating center, the stroke will become long. 30 Options . Eb Crook (optional) This optional main tuning slide is designed for the YHR-314 and transforms the single F horn into an Eb horn so that you can play Eb parts without transposing. The crook is designed so that the horn fits in the case when it is attached. Main Tuning Slide Eb Crook When using the Eb crook, the 1st through 3rd valve tuning slides should be pulled out a little. 31 Options . F Natural Slide (optional) Attached to the YHR-322’s 4th valve slide the F natural slide offers the sound of an open F horn. 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 32 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. . Contact the dealer from whom you purchased the instrument. The rotors are sluggish. • The string is loose. . Use...
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