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.

If you still have any questions or concerns regarding charging settings, contact us for further assistance.