Place the remote control within 10 cm from the device, and press the "Menu button" and "Home button" (the small house button) of the remote control at the same time.
Without changing the position of the remote control, wait for the indicator light on the remote control to flash before letting go; when you hear the "be" sound, it means that the remote control is connected successfully.
Projection: First, power off the equipment, then power on again, and the power light will turn off. If there is still no image, please contact the after-sales service to help.
Smart Box: First power off the device, then power on again, the power light will turn on. Check the HDMI cable connection, the TV interface, if above mentioned is confirmed to be no problem, contact the after-sales service
All projection side projections will have this phenomenon. Because the position and shape of the projection light source itself are fixed, the shape and size of the projection screen are adjusted through zoom and keystone correction, and the original light source position remains unchanged.
In the mobile storage device, you need to put the external subtitle file and the video file in the same folder, and then select the subtitle setting in the multimedia player to load the subtitle.
Automatic keystone correction is affected by different use environment factors, and the effect may be poor. In this case, manual adjustment can be used to ensure the effect. Specific steps: [Settings]-[Keystone correction]-[Manual keystone correction]
[Settings]---[Keystone Correction]---[Manual Keystone Correction], after entering the keystone correction page, select four points for adjustment according to the prompts on the page.
The projector is a spherical lens, it is impossible to achieve the absolute same refractive index in all places, so after focusing, it can only ensure that most of the picture is clear. This is also the case with other projectors on the market.
The thermal defocus phenomenon during the use of all smart projectors, you can manually adjust the focus after it is out of focus, and it will not lose focus again after it is stabilized. (Ensure that there is no obstruction at the cooling air outlet of the device when in use.)
First make sure that the mobile phone and the device are connected to the same local area network.
Open cast on the device, open the control center on the mobile phone and click screen mirroring, select the corresponding Dangbei device, and click start mirroring to start mirroring.
First make sure that the mobile phone and the device are connected to the same local area network.
Open cast on the device, open the control center on the mobile phone and click screen mirroring, select the corresponding Dangbei device, and click start mirroring to start mirroring.
When the projection device is turned on, press the shutdown button of the remote control, select the Bluetooth speaker, and then turn on the phone's Bluetooth to connect.
When the projection device is turned on, press the shutdown button of the remote control, select the Bluetooth speaker, and then turn on the phone's Bluetooth to connect.
Check if the device is turned on fast boot, if yes, please turn off this function.
Confirm whether the wireless at home is working normally, use the mobile phone to turn on the hotspot to the device, and observe whether the device is connected to the hotspot normally.
Shorten the distance between the router and the device as much as possible, forget the wireless network password and reconnect.
Restore factory settings and try.
If the problem persists after trying the above operation, ask servicer for help
If the slight dust inside and outside the lens does not affect the use, it is recommended not to wipe it arbitrarily.If have to,please use soft wip cleaning.