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4000lm Full HD Network Business Projector | MH733
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Why does the projector not respond to any command when powering on or turning off?
When inputting my RS232 commands, why do I get "Illegal Format" in return?
May I use USB reader to charge my cell phone or portable device?
When I try to access internet in Qcast application, after connecting my projector to the router, why I still could not access internet successfully?
Can I leave my projector turned on 24/7?
Could USB reader support HDD?
How to clean the lens?
May I know the storage limitation on the USB flash drive?
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 corner fit is greyed out in OSD?
Why does projector not turn on successfully via LAN?
Why keystone is greyed out in OSD?
Why the keystone value can not be saved after turning off the projector?