Frequently Asked Questions

D2140 Cosmos FAQ
Display Related
How do I use the keystone correction?
Cosmos supports both automatic (vertical ±40°) and manual (horizontal ±40°) keystone correction.
When adjusting the horizontal keystoning, go to Settings>Projector Settings to turn off auto keystone
correction and adjust manually.
How to I activate Cosmos's autofocus?
You can slightly move the device or press the focus button on the remote to trigger the autofocus. If
necessary, you can press the "left" and "right" buttons to manually adjust the focus.
How to do zoom the image in and out? Go to Settings>Projector Settings>Zoom
Adjusting the Brightness Go to Settings>Projector Settings>Brightness to adjust the brightness from 0 to 100%
How do I adjust the HDR settings?
Cosmos is compatible with HDR10, Please check if the content played is HDR content. HDR mode is
automatically on, so you do not need to switch it on unless you've turn it off manually. Go to open
Settings>Projector Settings>HDR to adjust the HDR.
How do I adjust the color display?
If you find the color temperature is too slightly blue, please adjust color temperature by going to:
Settings>Projector Settings>Color Temperature, and choose between “normal”, “cool”, and “warm”.
How do I adjust the image contrast, saturation,
and sharpness?
Long press the "Settings" button on the remote when playing a video and set the picture mode as
"Custom" by going to Settings>Picture Settings>Picture Mode>Custom. Then go to "Custom Settings"
to adjust the brightness, contrast, saturation, and sharpness ratio.
What's Cosmos's maximum projection
distance?
The distance between this device and the projection surface must be a minimum of 31 inches (0.8
meters) and a maximum of 157 inches (3.98 meters) to get a projection image between 30 and 150
inches. For the best results, set the projector between 63 and 104 inches away.
Operation Related
How do I cast content from my phone to
Cosmos?
Method 1: Chromecast
You can use Chromecast to cast content from both an iPhone and Android phone.
Please note that:
1) Ensure that your phone/computer and Cosmos are connected to the same Wi-Fi network.
2) Chromecast can only open applications that support Chromecast, such as YouTube and Prime
Video.
3) When the app is playing a video, click the Chromecast button at the top to search for a Chromecast-
compatible device. Select Cosmos and you can cast the screen.
Method 2: Screen Mirror
For iPhone: Please download the Nebula Manager from the app store and download Airpin Pro from
the Nebula Manager. Open Airpin, make sure the projector and your phone are connected to the same
Wi-Fi network, and then choose screen mirroring.
For Android: Go to Settings>Connected Devices>Connection Preferences>Cast on your phone and
select Nebula to start screen mirroring. Note: The method varies for different Android phones.
How do I play videos when no Wi-Fi is
available?
- Download the videos to a USB drive
- Install the File Explorer app from Google Play Store on Cosmos
- Install a media player app such as VLC or Kodi
- Plug the USB drive into Cosmos to play
How do I pair the remote with Cosmos?
There are two ways of pairing the remote with Cosmos:
- During the setup process, you can press the "OK" and "Volume-" buttons at the same time per screen
instruction to pair the remote
- Go to Settings>Remotes & Accessories>Add Accessory, to search and pair.
How do I switch to Bluetooth speaker mode? You can press the Bluetooth button or go to: Settings>Projector Settings>Bluetooth Speaker Mode
Software Related
How can I get Netflix on my Cosmos?
Go to the Google Play Store on Cosmos and install the Nebula Manager app. Once installed, you can
install Netflix through the Nebula Manager.
How do I control Netflix on Cosmos?
Try the following steps:
1) Install the Nebula Connect app on your phone to connect with Cosmos
2) Select mouse mode
3) Use one finger to move and click, and two fingers to scroll up and down
How do I download Nebula Connect app? Download the app from Google Play Store on your Android devices or the App Store on iOS devices.
How do I use the Nebula Connect app？
1. Make sure that your phone's Bluetooth is turned on
2. Open the Nebula Connect app on your phone and click the "+" on the top right to connect with
Cosmos
3. Once connected, you can select either mouse mode or controller mode to operate
How do I upgrade the firmware? Go to Settings>Device Preferences>About>System Update
How do I recover/reset Cosmos? Go to Settings>Device Preferences>Reset
Can I sideload Android apps to Cosmos?
There are more than 7,000 native apps on Google Play that you can download directly to Cosmos. If
you want to install apps that are not available on Google Play, you can download the APK file for the
app from the Internet and install them via a USB drive. For Cosmos, please ensure you've first
installed the "File Explorer" app, otherwise the USB drive might not be recognized.
External Device
connection
related
What USB drive formats are supported? FAT32/NTFS/exFAT
Does Cosmos support HDCP? Yes. We are a member of HDMI, and the interface of HDMI supports HDCP protocol.
What are the supported interfaces? USB/HDMI ARC/Bluetooth
What is the maximum supported hard drive
size?
Up to 2TB