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Corporate Laser Projector with 4000lm, Full HD | LH720

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Why can't the projector detect 3D signal?
How long is the suggested working time for models which light source is UHP lamp?
How many pairs of 3D glasses can BenQ projectors sync with at once?
For projectors that use an anamorphic lens, there are Anamorphic 2.4:1/Anamorphic 16:9 options in the Aspect Ratio setting. May I know what they are for?
How do I mute the projector?
Why can’t I use a QR code to log in to the AMS system when the projector is turned on?
How do I clean my projector lens?
Which types of BenQ projectors require a power cycling process?
How to change the lamp and reset the lamp timer?
How should I choose a projection screen?
How do I use a RS232 cable to power on or power off the projector?
How do I use a RS232 cable to control the volume and sound on the projector?
Does the projector support changing slides on PowerPoint using a remote which emulates page up and page down commands for both Windows PC and MacOS?
Can I change the projector lamp myself?
Can I control the BenQ projector with a remote control designed by other manufacturers?
Which reminder messages will stop being displayed after "Reminder Message" is switched off?
Which 3D glasses are recommended for BenQ projectors with 3D features?
My remote control is not working. What can be done to fix it?
Why does the projector not respond to any command when powering on or turning off?
How to resolve the "Illegal Format" message that popped up when I was inputting RS232 commands?
Can I leave my projector turned on 24/7?
How to clean the lens?
May I use QPresenter in my mobile phone?
Please don't place the projector in any of the following environments.
The lamp is not on but the fan remains running, what is happening?
Why is there slight scent of burning or plastic smell when using projectors？
Why I cannot use PointDraw on my ChromeBook?
What is LAN Web Control?
Projection is rather blurry, what can I do?
The eco mode is much darker than SmartEco mode. Is it normal?
Why the keystone value can not be saved after turning off the projector?
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