What can I do if there is no signal at all?
1. Ensure that a 5V/1A power adapter or above is connected to the HDMI switch.
2. To achieve different resolutions, ensure the cables AWG and length can meet the requirements.
3. To lower the devices resolution to get the stable signal.
What should I do when it suddenly displays a black screen?
If the screen goes black, please check the indicator on the box to confirm whether you have switched to the HDMI source that is not connected to any device by mistake.
Does it support Automatic Switching?
No, it cannot be automatically switched to the latest activated HDMI port, but only can be switched by buttons or remote control.
What is the remote control distance?
When the remotes battery is sufficient, the distance can reach 33ft if it is straight, and the distance should be within 20ft if the angle is 55 degrees. Do not use the remote with an angle exceeding 55 degrees.