Trombone

Before Playing■ Tuning the InstrumentSlide the main tuning slide in or out to tunethe instrument. Since temperatures have an effecton the instrument’s pitch, blow some warmair through the instrument to warm it up beforetuning.On trombones with double rotary valves, thelevers can be used to change the pitch fromBb-F, Bb-G, or Gb (when a D attachment isused), Bb-Eb (when a D attachment is used).First LeverAdjust the length of the main tuning slide untilyou achieve the desired pitch.SecondRotary ValveFirstRotary ValveSecond LeverMain Tuning SlideAbout the rotary valveOn trombones with a single rotary valve, engagingthe valve with the lever will changethe pitch from Bb to F.BbFFirst Lever Second Lever Pitch Using DAttachmentX X Bb -O X F -X O G GbO O Eb DO ... When the lever is engagedX .... When the lever is disengagedOffset rotary valvesFirst LeverRotary ValveRotary Valve LeverSecondRotary ValveFirstRotary ValveSecond LeverFirst Lever Second Lever Pitch Using DAttachmentX X Bb -O X F -X O (Bb) -O O Eb DO ... When the lever is engagedX .... When the lever is disengaged23