Blank or dark viewport

When the 3D view shows nothing or looks too dark.

• Check fixtures are receiving DMX (see No DMX coming in).
• Check intensity and shutter on the console.
• Try a lower render tier (Draft) to rule out GPU limits.

Adjusting exposure

Click in the viewport, then press - to darken or = to brighten, in quarter-stop steps. Exposure is saved with look presets.