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General Questions

How do I connect external speaker(s) to my projector?
1.Wired connection:   1.1 via 3.5mm audio out:       If the projector is equipped with a 3.5 mm audio out mini jack, usually it is  green and marked as   ...
Sun, 24 Jan, 2021 at 12:26 PM
What to do if there is spot on the projected image?
1.If spot is only visible when projected image in defocus, it would not impact usage.   2.If spot is visible when projected image in focus, please contact...
Sun, 24 Jan, 2021 at 12:08 PM
How to mirror an iPad or an iPhone screen to a projector?
There are 2 ways to mirror from iPad, iPhone (4 or later), or iPod Touch (4th Gen or later):   1. Use an Apple original "Lightning Digital AV Adapter...
Tue, 27 Apr, 2021 at 3:42 PM
There is no video when using HDMI port
If you are experiencing problems using HDMI input: Confirm the HDMI input is selected. Plug in the projector first, and then turn on the PC. Replace the...
Sat, 21 Apr, 2018 at 12:35 AM
What to do if there is high pitched noise coming from the projector?
Please connect the projector to a different AC outlet.   Connect the projector to another computer/player.   In case above crosscheck remains the ...
Sun, 24 Jan, 2021 at 12:19 PM
How to change the projector lamp in a projector?
The methods for changing the projector lamp (bulb) differ depending on the model of the projector. For accurate instructions, you can find lamp swapping ins...
Sun, 24 Jan, 2021 at 12:15 PM
The image is out of focus
Make sure that you have set it to its native resolution. Check the user guide to determine what the native resolution of the display is and set it to the n...
Sat, 21 Apr, 2018 at 1:10 AM
What to do if remote control does not work properly?
  Please do the following check: Make sure there are no obstructions in the way of the IR receiver on the device. Move closer to the receiver (within 23...
Sun, 24 Jan, 2021 at 11:56 AM
What to do if there is a shadow or double image on the projector screen?
Analog extension cables, adapters, docking stations and longer cables may be prone to generate ghosting, lines, double images, or poor focus. The improper ...
Sun, 24 Jan, 2021 at 12:28 PM
Why are certain options greyed out in OSD menu?
When a digital signal is connected (e.g. HDMI, DisplayPort, DVI), there are certain options greyed out in OSD menu as preset settings that cannot be changed...
Sun, 24 Jan, 2021 at 12:13 PM