Cosmos Laser 4K | Portable 4K Laser Projector

1. Open the back cover of the projector by pushing and sliding it up.
2. Connect to the micro-USB connector and micro-HDMI connector.
3. Close the back cover.

Use these two methods to pair the remote with Cosmos Laser 4K:
- During the setup process, hold the remote near the projector. On the remote, press the "Home" and "Back" buttons simultaneously for about 10 seconds per the on-screen instructions.
- During the pairing process, point the remote at the infrared receiver. Go to Settings > Remotes & Accessories > Add Accessory to search and pair.
Note:
The distance between the remote control and the projector should not exceed 10 m / 33ft.

Go to Settings > Device Preferences > About > System Update.

Go to Settings > Device Preferences > About > Projector Firmware Update.

Go to Settings > Device Preferences > About > Status > MAC address.

To reset via the 4K dongle, go to Settings > Device Preferences > Reboot.
To reset via the projector, tap the Projector Settings on the top panel of your projector or press the Source button on the remote, then go to Advanced Settings > Back to default

1. Go to Settings > Set up remote buttons > Add device > TV or Press the Settings button on the remote.
2. Select Nebula as the brand of TV.
3. Complete the setup by following the on-screen instructions.

Position your projector with one of the following methods:
- Front: The projector is placed on a table in front of the screen. This is the most common way to position the projector for quick setup and portability.
- Rear: The projector is placed on a table behind the screen. A special rear projector screen is required.
- Front Ceiling: The projector is suspended upside-down in front of the screen. A ceiling/wall mount kit is required.
- Rear Ceiling: The projector is suspended upside-down from behind the screen. A special rear projector screen and ceiling/wall mount kit are required.

Notes:
- After turning on the projector, press the Projector Settings button on top of the projector, then go to Advanced Settings > Projector Mode to select a setting.
- It is unnecessary to tilt the projector toward the projection surface. Your projector has autofocus and auto keystone correction to create a well-sized and clear image.
- For more control over projector height, you can place it on a tripod (sold separately).
- The distance between the projector lens and the screen determines the projector screen size.

Nebula Connect allows you to easily control your projector. Here's how to use it:

1. Download Nebula Connect from the App Store (iOS devices) or Google Play (Android devices).
2. Turn on your phone's Bluetooth.
3. Open Nebula Connect on your phone and click the + in the top right to connect with Cosmos Laser.
4. Once connected, select Mouse Mode or Controller Mode to operate.

Try the following steps to see if they help:
1. Uninstall Nebula Connect.
2. Update the Cosmos Laser firmware to the latest version. Go to Settings > Device Preferences > About > System Update > Check for Update.
3. Go to your phone's Bluetooth settings and remove your pairing with your projector.
4. Restart your phone.
5. Reinstall Nebula Connect and try connecting again.

Yes, you can. Note, there are more than 7,000 native apps on Google Play you can download directly to Cosmos Laser. For apps not available on Google Play, download the APK file and install them on a USB drive. Make sure the File Explorer app is installed on Cosmos Laser so your USB drive is recognized.

Go to Settings > TV Settings > Droid Settings > Display > Screen Resolution.

1. Go to Settings > TV Settings > Droid Settings > Display > Screen position > Zoom in screen/Zoom out screen.
2. Go to Projector Settings > Image Correction > Screen Zoom.

You can use Cosmos Laser 4K as a standalone Bluetooth speaker via the following steps.
1. Access Projector Settings from the top panel of the projector or press the Source button on the remote, then go to Bluetooth Speaker Mode to enter Bluetooth Speaker Mode. You can also enter Bluetooth Speaker Mode in Nebula Connect by pressing the Settings button.
2. Enable Bluetooth on your phone and select "Nebula-XXXXXX" to connect.
After connecting, the projector light will shut off shortly. When you're finished with Bluetooth Speaker Mode, just press the back button on the top of your projector.

First, you'll need to install AirPlay on your projector. Install the Nebula Manager app from Google Play, then install the AIrScreen app from Nebula Manager. That will enable AirPlay on your projector.

Once completed, follow these steps to mirror or stream video from your iOS device.

Screen Mirroring From iPhone or iPad:
1. Make sure that your iOS device and Cosmos Laser are on the same Wi-Fi network. Your phone's hotspot is also OK.
2. Swipe to display the control console and tap the AirPlay icon.
3. Select Cosmos Laser as the device you want to cast to.

Screen Mirroring From Mac:
1. Make sure that your Mac and Cosmos Laser are on the same Wi-Fi network. Your phone's hotspot is also OK.
2. Click the AirPlay icon on the Mac and select your projector to start mirroring. The AirPlay icon in the menu bar will turn blue when AirPlay is active.
3. To stop mirroring, click the AirPlay icon again and then select Turn AirPlay Off.
Note: For MacBook Air, MacBook Pro, and iMac, the AirPlay icon will only be displayed in the menu bar when AirPlay mirroring is available.

Streaming Video From iPhone or iPad:
1. Make sure that your iOS device and Cosmos Laser 4K are on the same Wi-Fi network. Your phone's hotspot is also OK.
2. Open the streaming apps you want to cast on the Nebula projector and select a video to play.
3. Click the AirPlay or cast icons in the top right corner to cast to the projector.

Cosmos Laser supports Chromecast, so you can mirror or stream videos from your Android devices that use Chromecast.

Note that Chromecast uses a Wi-Fi connection, not a Bluetooth connection.
Also note that copyrighted content CANNOT be mirrored or cast. If you want to watch Netflix, you can directly download it from Google Play onto your projector.

For a guide to mirror or stream videos, please follow these instructions:

Screen Mirroring
1. Make sure your Android device and Cosmos Laser are on the same Wi-Fi network. You can use your phone's hotspot.
2. Go to Settings > Connected Devices > Connection Preferences > Cast on Your Phone.
3. Select Cosmos Laser as the device you want to cast to.

Streaming Videos
1. Make sure your Android device and Cosmos Laser 4K are on the same Wi-Fi network. You can use your phone's hotspot. Then use Chromecast to stream.
2. Open the app you want to stream from. Note, Chromecast can only open apps that support Chromecast, such as YouTube and Prime Video. For more information about apps that support Chromecast, install the Google Home app onto your phone.
3. While the video is playing, click the Chromecast button at the top to search for a Chromecast compatible device. Select Cosmos Laser.

Use the Chrome browser to stream videos from a Windows 10 PC to your projector. Here's how:

1. Make sure your Windows 10 PC and projector are connected to the same W-Fi. You can use your phone's hotspot.
2. Open Chrome on your Windows 10 PC. In the top right corner of Chrome, go to More > Cast.
3. Choose the Chromecast device you want to watch content from, and then watch it on your projector.

To play from a USB storage device:
1. Download the File Manager app from Google Play.
2. Insert the USB storage device into the projector.
3. Select the music, videos, or photos from the USB drive that you want to play.
4. Open them with a multimedia player. If you don't have an app, download one from Google Play.

Note:
The maximum supported memory capacity of your USB storage device is 4TB.

1. Download videos to a USB drive.
2. Install the File Explorer app from the Google Play Store on Cosmos Laser.
3. Install a media player app
4. Plug a USB drive into Cosmos Laser to play.

Press the Settings button on the projector or press the Source button on the projector, then go to Image Correction > Auto Screen Fit. Cosmos Laser 4K will automatically adjust the screen size to your space.

Press the Projector Settings button on top of the projector or, then go to Brightness.

Press the Projector Settings button on top of the projector or press the Source button on the remote, then go to Picture. You can choose from one of several picture modes to best suit your environment and input source.

- Standard: Keeps natural-looking colors with a balance of warm and cool tones.
- Vivid: Provides more picture details and color sharpness.
- Soft: Provides warm colors with lower light.
- Movie: Provides the best colors for watching movies.
- Game: Increases the brightness and response time level for playing video games.
- Custom: Manually set the contrast, saturation, sharpness, color temperature, and gamma, or reset the values.

Press the Projector Settings button on top of your projector or press the Source button on the remote, then go to Picture > HDR. You can turn HDR on or off, as well as check if the content being played is HDR content.

HDR stands for high-dynamic range and automatically detects the brightest and darkest points of the input source, then optimizes the settings to reproduce the contents under a high dynamic range.

Press the Projector Settings button on top of the projector or press the Source button on the remote, then go to Picture > Aspect. You can select from Auto, 16:9, 16:10, and 4:3.

Press the Projector Settings button on top of the projector or press the Source button on the remote, then go to Audio.

Press the Projector Settings button on top of the projector or press the Source button on the remote, then go to Audio Mode.

You can choose from one of several preset sound modes to choose the best one for your environment and input source.
- Standard: Keeps original sound.
- Music Enhances the treble for listening to music.
- Movie: Creates a surround-sound listening experience for watching movies.
- News: Makes voices more clear and dynamic for listening.
- Custom: Manually set audio settings, such as bass, midrange, and treble.

Press the Projector Settings button on top of your projector or press the Source button on the remote, then go to Audio > Dolby > Dolby ARC Mode. You can choose between OFF, LINE, and RF.

- Press the Projector Settings button on top of your projector or press the Source button on the remote, then go to Image Correction > Manual Focus Correction.
- Press the focus button while using Nebula Connect.

Note: When you power on the projector or move it to another location, the projector automatically focuses and performs keystone correction. You can turn on Autofocus by pressing the Projector Settings on top of your projector, then going to Image Correction > Auto Focus.

- Press the Projector Settings button on top of your projector or press the Source button on the remote, then go to Image Correction > Manual Keystone Correction.
- Access the settings via Nebula Connect and choose Manual Keystone Correction.

Note: When you power on the projector or move it to another location, the projector automatically focuses and performs keystone correction. You can turn on Auto Keystone Correction by pressing the Projector Settings button on top of your projector, then going to Image Correction > Auto Keystone Correction at Startup / Auto Keystone Correction After Movement.

Adjust the color temperature by going to Settings > Projector Settings > Picture> Picture Custom > Color Temperature. You can choose between standard, cool, and warm settings.

Hold the Settings button on the remote when playing a video and set the picture mode to Custom. To do this, go to Settings > Projector Settings > Picture> Picture Custom . Then, go to set it.

Try the following steps to see if they help:
1. Switch between various projection modes to see if your projector can play sound.
2. Hit the Volume Up button on top of your projector.
3. Restore the default settings of the projector. Go to Settings > Devices Preferences > Restart.
4. In Projection Mode, connect your projector to an external Bluetooth speaker. Go to Settings > Remotes & Accessories > Add Accessory.

1. Use a different HDMI cable.
2. Connect your projector with another device with your HDMI cable.
3. Disconnect from your projector and try connecting your device with your TV via HDMI.
4. Adjust the HDMI output resolution/Hz of the connected device to match your projector.

Try one of the following options:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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 don't see Auto Screen Fit on your Cosmos Laser 4k, try one of the following options:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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, and select Image Correction > Auto Screen Fit. Cosmos Laser will automatically adjust the screen size to your space.

If you are having trouble controlling the volume or find that Cosmos Laser 4K's volume is too low, try the following:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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. Pair the remote with Cosmos Laser 4K.
3. Set up the Cosmos Laser 4K remote buttons:
- Go to Settings > Set up Remote Buttons > Add Device > TV or press the Settings button on the remote.
- Select Nebula as the TV brand.
- Follow on-screen instructions to finish the setup.

If you're having issues connecting Cosmos Laser 4K to Wi-Fi, try the following:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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. Try your phone's personal hotspot.
3. Try your router's 2.4G and 5G settings.

If you still have questions, please contact Nebula Customer Support for further assistance.

If Cosmos Laser is not recognizing the 4K dongle, try one of the following options:

1. Use a pin to tap the hole on the dongle and reset it.
2. Unplug the dongle, then plug it back in.
3. Test the dongle by connecting it with another TV or projector.

If you still have questions, please contact Nebula Customer Support for further assistance.

Try one of the following options if you are noticing focus issues with Cosmos Laser:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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. Wipe away any dirt on the lens. We recommend a soft, clean, and dry cloth for eyewear or lenses. You can also use a clean, dry tissue. IMPORTANT: Do not dampen the cloth or tissue to avoid damaging the lens.
3. Press the Settings button on the projector or the Source button on the remote, and select Advanced Settings > ToF - Calibration to calibrate the autofocus.
4. Place the projector between 5-13 ft (1.5-4 m) away from your screen.

If you still have questions, please record a short video of the issue and contact Nebula Customer Support for further assistance.

If you notice not all of your screen is focusing when using Autofocus with Cosmos Laser, try the following:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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. Place the projector between 5-13 ft (1.5-4 m) away from your screen.
3. Press the Settings button on the projector or the Source button on the remote, and select Image Correction > Manual Keystone Correction.
4. Press the Settings button on the projector or the Source button on the remote, and select Image Correction > Auto Screen Fit.

If you still have questions, please record a short video of the issue and contact Nebula Customer Support for further assistance.

If you notice frequent autofocusing with Cosmos Laser 4K, you can try one of these options to reduce the frequency:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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 the Source button on the remote, select Image Correction, and turn off these features: Auto Keystone Correction after Move, Manual Keystone Correction, and Auto Screen Fit.

If you still have questions, please record a short video of the issue and contact Nebula Customer Support for further assistance.

If you find that manual keystone correction isn't working properly on Cosmos Laser, try the following options:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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 the Source button on the remote, select Image Correction, and turn off Auto Screen Fit.

If you still have questions, please record a short video of the issue and contact Nebula Customer Support for further assistance.

If you find that the Eye Guard prompt "To protect your eyesight, keep out of the projector light" is appearing too frequently, try the following options:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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. Remove any objects in front of the projector.
3. Place the projector between 5-13 ft (1.5-4 m) away from your screen.
4. Press the Settings button on the projector or the Source button on the remote, select Advanced Settings, and turn off Eyesight Protection (Eye Guard).

If you still have questions, please record a short video of the issue and contact Nebula Customer Support for further assistance.

If you find that the prompt "To guarantee auto-keystone precision, clean the ToF sensors" is appearing too frequently, try the following options:

1. Update the firmware of the 4K dongle and Cosmos Laser 4K 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. Remove any objects in front of the projector.
3. Place the projector between 5-13 ft (1.5-4 m) away from your screen.
4. Press the Settings button on the projector or the Source button on the remote, select Image Correction, and turn off the following features: Auto Keystone Correction after Move, Manual Keystone Correction, and Auto Screen Fit.

Go to Settings > Remotes & Accessories > Add accessory.

This projector can also be connected to external sound output devices, including headphones and speakers; when connected to external speakers, the built-in speaker system is disabled.
To play sound through external sound devices:

1. Use a 3.5mm audio cable or an adapter (not provided) to connect your headphones or external speaker.
2. Connect the other end of the audio cable to the AUX port on this projector.
3. You will hear audio from your external sound devices.

Note:
Before connecting headphones, turn down the volume to avoid hurting your ears.

1. Use a different HDMI cable.
2. Connect your projector with another device with your HDMI cable.
3. Disconnect from your projector and try connecting your device with your TV via HDMI.
4. Adjust the HDMI output resolution/Hz of the connected device to match your projector.

For the 4K Streaming Dongle serial number, go to Settings > Device Preferences > About > Status> Serial number
For the projector serial number, access Projector Settings from the top panel of your projector or press the Source button on the remote, then go to About > Projector Info > SN.

Anytime a person walks in front of the projector light, the projector dims the light to protect eyesight. It works thanks to 2 time-of-flight (ToF) sensors underneath the projector lens that measure the distance between the projector and the screen. If they detect something in front of the projector, they'll activate Eye Guard and send you an alert on your phone.

To turn on Eye Guard, press the Projector Settings button on top of the projector, then go to Advanced Settings > Eyesight Protection > On.

The distance between the projector and the projection surface must be a minimum of 5 ft (1.68 m) and a maximum of 13.85 ft (4.22 m). This ensures a projection image between 60 and 150".

Screen Size Distance Between Projector Lens and Screen
60" - 1.68 m / 5.51 ft
70" - 1.97 m / 6.46 ft
80" - 2.25 m / 7.38 ft
90" - 2.53 m / 8.30 ft
100" - 2.81 m / 9.22 ft
110" - 3.10 m / 10.17 ft
120" - 3.37 m / 11.06 ft
130" - 3.65 m / 11.98 ft
140" - 3.93 m / 12.89 ft
150" - 4.22 m / 13.85 ft