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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?
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 options of Color/Tint are always greyed out no matter using HDMI connection or VGA connection. Is it normal?
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 HDCP version is installed in W2000?
What is LAN Web Control?
What is HDMI input lag timing of W2000?
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?