Steinberg HALION4 Mode D'emploi page 218

Option
Solo
Undo
Global
In the Global category, the following key commands are available:
Option
Down
Import Samples
Left
Enable MIDI Mapping Selection
Options
Right
Up
Media
In the Media category, the following key commands are available:
Option
Open
Navigate
In the Navigate category, the following key commands are available:
Option
Bottom
Down
Left
Less
More
Right
Toggle Selection
Top
Up
Zoom
In the Zoom category, the following key commands are available:
Option
Zoom In
Zoom Out
Key command
[S]
[Ctrl]/[Command]-[Z]
Key command
[X]
[Ctrl]/[Command]-[I]
[A]
[Ctrl]/[Command]-[M]
[D]
[W]
Key command
[Return] or [L]
Key command
[End] (Win)
[Down Arrow]
[Left Arrow]
[Ctrl]/[Command]-Num [-]
[Ctrl]/[Command]-Num [+]
[Right Arrow]
[Ctrl]/[Command]-[Space]
[Home] (Win)
[Up Arrow]
Key command
[H]
[G]
218
Key Commands Reference
The Default Key Commands