Set Hotkey options
On the Hotkey tab, you can set keyboard shortcuts for starting, pausing, and stopping your recording, and also for toggling zoom.
To set Hotkey options
On the Microsoft Expression Encoder Screen Capture main window, click Edit Options .
Click the Hotkey tab.
To create a shortcut, click the box that corresponds to the shortcut that you want to change, and, on your keyboard, press the key or keyboard shortcut that you want to represent the new shortcut.