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MA320U & MA270U 4K Monitors - Show Your Mac Colors 🍏

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MA320U & MA270U 4K Monitors - Show Your Mac Colors 🍏

GP520: The Ultimate Smart 4K Projector for Every Entertainment Need

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GP520: The Ultimate Smart 4K Projector for Every Entertainment Need

How can I apply the bi-directional CEC function on the projector?

07-08-2025

Regarding the CEC (Consumer Electronics Control) functionality on BenQ projectors. We understand your expectation for full bi-directional CEC support. However, after careful consideration of usage scenarios, we have designed our projector to limit CEC control to one-way communication.

This approach helps avoid unintended behaviors such as powering on all connected source devices simultaneously when the projector sends a CEC power-on command. In certain setups, this could cause user inconvenience or confusion. Additionally, it is important to note that not all source devices respond consistently to CEC commands—some may ignore power-on signals altogether.

We truly appreciate your understanding, and we will continue to work on the possible implementation of bi-directional CEC features in future updates and models. Should you have any further questions or suggestions, please feel free to reach out.



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