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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?
Can I leave my projector turned on 24/7?
Can I push web multimedia content from Android or iPhone to QCast? What kinds of apps can support this pushing function?
Can I use mirror my screen from my Windows 8.1 tablet?
Does BenQ QCast support Windows phones?
Does QCast support BenQ tapN’show Android Apps?
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?
Which Android device or the minimum required Android version is supported by BenQ QCast function?
What screen resolution does QCast support?
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 I am operating the Miracast function, the display screen show PIN code verification?
Why my QCast didn’t power on when I use the USB Type A as power supply from TV/Projector?
Why the keystone value can not be saved after turning off the projector?