Shortcut Keys
Command
Ctrl+R
Start recording
Ctrl+S
Stop recording
Ctrl+P
Pause recording
Ctrl+M
Mute/Unmute
Ctrl+D
Open/close Recorder List
Shift+Left-click
Select a range of Recorders. For example, select a Recorder, then choose a second one in the next row to highlight each Recorder in-between.
Ctrl+Left-click
Select multiple Recorders in the grid area.
Ctrl+A
Select all Recorders in the grid area. Press Esc to deselect all.
Ctrl+(+), Ctrl+(-)
Adjust the Recorder grid area dimensions.
Ctrl+Mouse wheel up, Ctrl+Mouse wheel down
Adjust the Recorder grid area dimensions.
Alt+Up Arrow (↑), Alt+Down Arrow (↓)
Adjust the gain for an analog audio input device.
Arrow Keys (↑↓←→)
Use the arrow keys to scroll through Recorders in the grid area or Recorder List.
Tab
Cycle through each option in the user interface.
Spacebar/Enter
Press the Spacebar to select or de-select a
highlighted option in the user interface. If Multi-select 
is enabled, you can use
the arrows and the Spacebar to select multiple items.
When using keyboard navigation, press the Spacebar or Enter to select a highlighted option in the user interface.
When a Recorder window is selected in the grid, press Enter view full-screen mode.
Page Up/Down
Move up/down page in the Recorder grid view.
Home
Highlight the first Recorder in the grid area.
End
Highlight the last Recorder in the grid area.