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LH720 4000lms 1080P Conference
Let Your Innovation Shine through Accurate True Color
Application
How can I upgrade the firmware via LAN for the projector?
Please contact BenQ local service center for support. Our customer service professionals will help you upgrade the firmware.
Does the projector support change slides on PowerPoint using a remote which emulates page up and page down commands for both Windows PC and MacOS?
How do I clean my projector lens?
It is normal to have some dust on the lens surface.
Please refer to the below video for a guide to cleaning your projector's lens.
Learn more
Can I use split screen on other devices?
Specification
The Wired remote port is used to connect to a wired remote control. What is the maximum distance supported by the wired remote control?
Further Query
The lens shift knob could not be turned anymore after a clicking sound. What can I do to fix it?
If the clicking sound is heard during the adjustment, it is likely that the knob has passed its adjustment limit. Please stop adjusting it to avoid any unexpected damage and turn the knob in the opposite direction, at least to the last step before the click. If it doesn't work, please try to push down then turn the knob in the opposite direction.
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My remote control is not working. What can be done to fix it?
Please follow below steps for troubleshooting:
(1) Check if the remote receiver is turned off by accident in OSD. It should be turned to Front/Top/Front+Top.
(2) Check if the batteries are out of power. Replace both of the batteries with new ones.
(3) Make sure you are not too far away from the projector. Stand within 7 meters from the projector.
(4) Remove the obstacles between the remote control and projector.
For demo, please refer to the tutorial video Learn more
(1) Check if the remote receiver is turned off by accident in OSD. It should be turned to Front/Top/Front+Top.
(2) Check if the batteries are out of power. Replace both of the batteries with new ones.
(3) Make sure you are not too far away from the projector. Stand within 7 meters from the projector.
(4) Remove the obstacles between the remote control and projector.
For demo, please refer to the tutorial video Learn more
As Abobe Flash support ends at the end of Dec 2020, the Crestron network interface will no longer work after that. Is there any solution for this?
3D is not working or getting lost sync on my projector. How can I fix it?
How can I upgrade the firmware via LAN for the projector?
Please contact BenQ local service center for support. Our customer service professionals will help you upgrade the firmware.
Does the projector support change slides on PowerPoint using a remote which emulates page up and page down commands for both Windows PC and MacOS?
How do I clean my projector lens?
It is normal to have some dust on the lens surface.
Please refer to the below video for a guide to cleaning your projector's lens.
Learn more
Can I use split screen on other devices?