User Manual

29
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Switching the 4th Lever Function
●
F/B
b
Double Horn
e 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 B
b
when the 4th lever is depressed. However, by re-conguring the linkage as shown
in the illustration below, this function can be reversed so that the horn plays in B
b
(open B
b
) 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 F
Open B
b
Open B
b
e YHR-567/567D is used in the illustration.
e YHR-668/668D is used in the illustration.
Adjusting the Rotary String and the Lever Function