To change Cosmos Laser's settings, try one of the following options:

1. Update the firmware of the 4K dongle and Cosmos Laser to the latest version:

- Press the Settings button on the remote and select Settings > Device Preferences > About > System Update.

- Press the Settings button on the remote and select Settings > Device Preferences > About > Projector Firmware Update.

2. Press the Settings button on the projector or press the Source button on the remote control.

3. Use Nebula Connect to control the settings.