While RX includes default keyboard shortcuts, you can customize them to your liking.
Presets menu - save groups of key assignments with this tool
Show commands containing - lets you search by keyword for a command you want to assign to a keystroke
Shortcuts for selected command - shows if there are any keystrokes assigned to the command selected in the above menu
Remove - removes the currently assigned keystroke from a command
Press Shortcut Key - to assign a new keystroke to a command, select the command from the menu, then click in this field and press a key or combination of keys
Assign - assigns the entered keystroke to the current command
Shortcut key currently used by - lists commands that the current keystoke is assigned to
Reset - returns settings to defaults