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What's Included
2
1
3
QSG
4
5
NEBULA Cosmos 4K SE
AC Cable
*The number of cables provided and the type of plug may vary by
region.
Remote Control
AAA Batteries
Quick Start Guide
01

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Do you have a question about the Cosmos 4K SE and is the answer not in the manual?

Questions and answers

Delbert
February 10, 2025

How to have rear screen casting

1 comments:
Mr. Anderson
May 14, 2025

To enable rear screen casting on the Nebula Cosmos 4K SE, set the projection mode to [Rear] in the settings. This mode is for when the device is located behind the projection surface.

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Summary of Contents for Nebula Cosmos 4K SE

  • Page 1 What’s Included NEBULA Cosmos 4K SE AC Cable *The number of cables provided and the type of plug may vary by region. Remote Control AAA Batteries Quick Start Guide...
  • Page 2: Front View

    At a Glance 1. Projector Front View Illuminance Sensor Image Sensor Lens ToF (Time of Flight) Speaker...
  • Page 3: Rear View

    Rear View AC IN HDMI1 HDMI2/eARC Handle AC IN • Connect to power supply. HDMI 1 • Connect to a playback device with HDMI output. HDMI 2 / eARC • Connect to a playback device with HDMI output and support the connection of external devices such as sound systems for audio return capabilities.
  • Page 4: Top And Bottom View

    Top and Bottom View Power Button 1/4" Tripod Socket • The 1/4" Tripod Socket can be used to connect a tripod, stand, ceiling mount, etc.
  • Page 5: Remote Control

    2. Remote Control Auto image adjustment Open Prime Video Status indicator Activate the Google Assistant Microphone Confirm a selection / pause / resume Power on / off / switch Access the home menu to standby mode Navigation Access more options Return button Volume up Volume down...
  • Page 6: Getting Started

    3. LED Light Guide Button LED Status Description Steady Blue Powered On Light Off Powered Off Steady Red Standby Mode Getting Started 1. Prepare Your Projector You can position your projector in the following ways. • Front: The projector is placed on the table in front of the screen. This is the most common way to position the projector for quick setup and portability.
  • Page 7 Screen Size Distance Between Projector Lens and Screen 60 inches 1.59m/ 5.22 ft 70 inches 1.86m/ 6.10 ft 80 inches 2.13m/ 6.99 ft 90 inches 2.39m/ 7.84 ft 100 inches 2.66m/ 8.73 ft 110 inches 2.92m/ 9.58 ft 120 inches 3.19m /10.47 ft 130 inches 3.45m/11.32 ft...
  • Page 8: Connect To Power

    2. Connect to Power Connect the power cord to NEBULA Cosmos 4K SE and then to the power supply. When successfully connected to the power supply, the power button on the projector will light up in red. AC IN HDMI1...
  • Page 9: Power On/Off

    3. Power On/Off • Power On: Press the power button once. *When the projector is powered on, the power button will turn steady blue. • Power Off: Step 1: Press and hold the power button for 3 seconds (wait for on-screen prompt).
  • Page 10 4. Prepare the Remote ① Slide to open the battery compartment. ② Insert new batteries matching the polarity (+/-) and close the battery compartment. ③ For first-time use, follow the on-screen instructions to pair the remote with your projector. • The distance between the remote and the projector should not exceed 10 m / 33 ft.
  • Page 11 5. Connect the Projector with the Remote Control After powering on the projector, follow the on-screen instructions to pair your remote control with the projector. ① Place the remote control within 20cm of the projector. ② Press and hold the confirm and volume down buttons for several seconds until the prompt of successful Bluetooth connection appears.
  • Page 12 6. Auto Focus and Auto Keystone Correction How to trigger auto focus: a. Press the [Auto image adjustment] button on the remote control. b. Auto-trigger upon powering on. c. Auto-trigger after moving the projector. How to perform manual focus: Go to [Settings] > [Projector] > [Focus Settings] > [Manual Focus Correction].
  • Page 13 ① Download the Nebula Connect app from the App Store (iOS devices) or Google Play (Android devices). ② Enable Bluetooth on your smartphone. ③ Open the Nebula Connect app and select [NEBULA Cosmos 4K SE] as the device to be connected. ④ Follow the on-screen instructions to complete connection setup.
  • Page 14 2. Projector On the home page, select [Settings] > [Projector] and press confirm. Auto Keystone Correction Settings [Auto Keystone Correction By Remote]: Enable or disable auto keystone correction by remote. [Auto Keystone Correction At Startup]: Automatically perform keystone correction when the projector powers on.
  • Page 15 • [Fine Tuning Popup]: Receive a popup after Seamless Auto Keystone Correction. • [Nebula Smart Popup]: Receive prompts when the projector status changes. • [Laser Overheating Protection]: Detect obstacles at close range and automatically reduce brightness to prevent overheating .
  • Page 16 Picture [Brightness]: Adjust the brightness of the projector display. • Ambient Light Adaptation: Automatically adjusts brightness and contrast based on the surrounding light conditions. [Picture Mode]: The projector is preset with several predefined picture modes so that you can choose one to suit your environment and input source.
  • Page 17 [Advanced Settings]: Customize advanced settings to enhance image quality. • [Color Temperature]: Adjusts the warmth or coolness of colors. • [DNR]: Reduces noise for a clearer image. • [MPEG NR]: Minimizes compression artifacts. • [DI Film Mode]: Provides smoother transitions in movie scenes.
  • Page 18 Sound [Movie]: Creates a surround-sound listening experience for watching movies. [Music]: Enhances the treble for listening to music. [Outdoors]: Increases volume for playing audio / video outdoors. [Custom]: Manually set audio settings such as balance, bass, and treble. [Turn on the Bluetooth Speaker Mode]: Enable to use the projector as a Bluetooth speaker.
  • Page 19 3. Apps ① On the home page, select [Settings] > [Apps] ,and press confirm. ② Select an app and check the current version, open or force stop the app, check the storage used, clear data or cache, uninstall the app, or enable or disable notifications and permissions.
  • Page 20: Using Your Projector

    ② Open the streaming app on your device. ③ Play a video clip and tap the cast icon on the video screen. ④ Select NEBULA Cosmos 4K SE to connect. The projector will mirror the video screen on your device.
  • Page 21 3.2 Cast Device Screen You can cast the entire screen from your device to the projector. Before that, please ensure NEBULA Cosmos 4K SE and your device are connected to the same wireless network. For iOS devices: 1.
  • Page 22 Speaker Mode] to switch your Nebula projector from Projector Mode to Bluetooth Speaker Mode. Enable Bluetooth on your smartphone and select [NEBULA Cosmos 4K SE] as the device to be connected. To exit Bluetooth Speaker Mode, press the return button on the remote control.
  • Page 23: System Update

    6. Connect the Projector to an External Bluetooth Speaker Turn on your Bluetooth speaker and set it to pairing mode (refer to your speaker's manual for specific instructions as the process may vary). Go to [Settings] > [Remotes & Accessories] in the project's settings.
  • Page 24 ③ Blurry Image • Ensure that the Camera/TOF on the front panel is not blocked or dirty. • Slightly move the projector or press the auto focus icon on the remote to start auto focus. • To manually adjust the focus, go to [Settings] > [Projector] > [Focus Settings] >...
  • Page 25 ⑩ How to Control Netflix with Mouse Mode • Install Nebula Connect on your phone and connect with NEBULA Cosmos 4K SE. Select Mouse mode. Use one finger to move and click, or two fingers to scroll. ⑪ How to Play Videos without Wi-Fi •...
  • Page 26 Trademarks The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Anker Innovations Limited is under license. Other trademarks and trade names are those of their respective owners. HDMI, and HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI licensing LLC in the United States and other countries.

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