• WASD or Arrow Keys: Pan table camera around the workbench.
• Right Mouse Drag or Middle Drag: Rotate table orbit camera.
• Mouse Wheel: Zoom in to inspect micro HO-scale voxel details.
• Drag Throttle Knob: Smoothly vary DC transformer voltage from 0 to 100%.
• Spacebar: Pull the steam locomotive whistle cord.
• B: Toggle continuous locomotive brass bell.
• R: Reverse locomotive direction (FWD / REV).
• U: Energize track decoupling magnet to shunt freight cars.
• 1 / 2 / 3: Flip track turnouts (switches).
• C: Cycle camera (Table Orbit → Railfan View → Locomotive Cab View).