This document describes the features and usage of the adjustable trigger hook and provides a basic fingering chart for the lower register on YTR9825.
This document provides a basic fingering chart specifically for the lower register of the Yamaha YTR9825 trumpet. It explains how to adjust the trigger hook (movable fingerhook) according to the position of the finger to facilitate fingering.
The chart details the fingering for a whole step down, instructing the user to pull the trigger in combination with the 3rd piston. It also includes a table mapping notes in Bb, Eb, and D keys to their corresponding concert pitch equivalents.
The trigger hook can be adjusted according to the position of your finger.
Pull the trigger (on the 3rd slide rotor) in combination with the 3rd piston.