ETOE Seal Pro Troubleshooting


  1. Go to Settings>>Device Preferences;
  2. Select "Sound"
  3. Turn off "System sounds"
Photo instructions
  1. Please try to upgrade it to the newest version. It will reduce the fan's noise. Here is the link of the upgrade file:
  2. Please also follow the video to upgrade it: After upgrading the projector, if the problem persists, please don't hesitate to contact us



The ventilation of the projector might be blocked. Move the stuff away and turns off the projector for half an hour to cool it down. Make sure that nothing is blocking the ventilation when you turn on the projector again.

The screen shows no signal. You might choose HDMI or USB accidentally.

    • Go to the projector system again with the switch button on the remote control.
    • Or press the home page button to switch the signal source.
    • Open the bottom of the projector and then press the connection cables of the little box inside tighter.Please find the video and it will show you how to fix it:

If you used Four Point Keystone before, it might influence effect of Auto Keystone. Please follow the below:

  • Step 1: If you have used adjust Four-point Correction before, go to Projector Settings Keystone Correction Reset, and click "OK"
  • Step 2: Re-adjust calibration: Go to Projector Settings>Calibration Settings Keystone Benchmark Correction
  • Step 3: Choose "Restore default" and wait till the notification shows the Restore is completed.
  • Step 4: Move the projector right face the wall /screen to have a rectangular picture, and then choose " Correct to current angle". Wait till the notification shows the action is completed


    • Ensure that the batteries in your remote are correctly placed and of power.
    • Check if the remote's indicator turns red/blue when you press the button.
    • Feel free to contact us if the remote still needs to be fixed.
    • Please make sure that the remote is connected so that the Bluetooth mode can work.
    • Please aim the remote at the back of the projector or the projected image as the receiver is on the back. Please don't aim it at the side of the projector. The projector has one IR remote control sensor located at the front and back of the projector. The remote control can only be used by pointing it directly at the IR sensor by reflecting the IR signal off of a wall/screen, making sure that there are no obstacles between the remote control and the IR sensor on the projector.
    • Replace with new batteries if it does not work well
    • Feel free to contact us if the remote still needs to be fixed.
    1. Check if the remote indicator turns blue when you press the button;
    2. If the button turns red when you press it, please re-pair your remote to the projector again.
    3. Pair: Go to Settings>Add accessories. Press the volume & OK buttons at the same time for the connection.
    1. Go to the Android TV settings>Add accessories;
    2. Choose the original remote and click unpair.
    3. The on-screen instruction for the new remote pair will appear. Just follow the instruction to pair the new remote.
    1. Plug in the Keyboard to the USB port, and use it to control the projector. (Click the "up, down, left, right" key to navigate on the menu, and press the "enter" key to click the "Home" key to go back to the Homepage of the projector.)
    2. Enter the Android TV homepage--Settings--TV Setting--HDMI CEC--turn on the CEC switch, and the remote control can control the projector normally



    Audio latency is the time it takes for audio move from your projector to your Bluetooth speaker. And Bluetooth connection spend a lot more time in the "processing" stage than a traditional wired connection. Plus, Bluetooth connection will be interfered by another signal source such as WiFi. There are some solutions below that you could decrease the latency:

    1. Disconnect other devices from your soundbar. As other devices might try to connect with it and influence the connection to the projector.
    2. Turn off other wireless connections close to the projector and Bluetooth signal.
    3. Keep your distance from other Bluetooth devices to avoid interference.
    4. Change the position or location of your device. It may need to be closer to the video.
    5. Feel free to contact us contact us if the problem still exist.




    1. Make sure the HDMI cable work and the Switch Base HDMI port work.
    2. Put the switch on the Switch Base. Connect the projector and the Switch via the HDMI cable.
    3. Make sure that the signal source is set to the HDMI signal source