You can change whether staff labels show instrument or player names for each player in each layout independently, and on either all systems or only the first system in each flow. For example, you can show the player names for percussionists in full score layouts and instrument names in percussion part layouts.
Procedure
Result
Player names are shown for players when their checkbox is activated. Instrument names are shown for players when their checkbox is deactivated.
Full and short player names are used according to your staff label settings.
If you chose On first system only, activated player names are only shown on the first system in each flow, with instrument names shown on all other systems.
After Completing This Task
You can change the full and short names for each instrument and player.