# Keyboard Shortcuts

Navigation: Working with Nx Witness > Nx Witness User Interface > # Keyboard Shortcuts |

These keyboard shortcuts are for Windows and Ubuntu Linux, but most will also work for Mac OS by replacing "Ctrl" with "Command" key.

Shortcut | Command
--- | ---
Ctrl+Left | Previous Frame
Ctrl+Right | Next Frame
Z | Jump To Start of Segment
X | Jump To Next Segment
Ctrl+Up arrow | Volume Up
Ctrl+Down arrow | Volume Down
M | Toggle Mute
L | Jump to Live
S | Toggle Sync
Enter | Maximize Item
Alt+I | Show Info
Alt+G | Start Smart Search
Alt+C | Check File Signature
Alt+S | Take Snapshot
Alt+J | Adjust Video
F2 | Rename Resource
Alt+T | Toggle Showreel Mode
Ctrl+W | Close Layout
Ctrl+Tab | Switch Layout (similar to using tab in a browser)
Alt+R | Toggle Screen Recording
Esc | Close Current Dialog
Alt+Enter | Fullscreen
Ctrl+Alt+A | Open System Administration Dialog
Ctrl+B | Open Bookmarks Search
Ctrl+E | Open Alarm/Event Rules Dialog
F1 | About Nx Witness
Alt+F4 | Exit
[ | Start Time Selection (on Timeline over recorded segment)
] | End Time Selection (on Timeline if time selection has been started)