3D is not working or getting lost sync on my projector. How can I fix it?

07-09-2024

1. Check if the HDMI cable you use supports ARC/eARC

• If the cable does not support ARC/eARC, please change an HDMI cable
that support ARC/eARC

• If the cable supports ARC/eARC, please go to step 2.

2. Check if the HDMI port on the projector and your device both support
ARC/eARC

• If they don’t, please change to HDMI port which supports ARC/eARC

• If ARC/eARC is supported, please go to step 3.

3. Check if both SPDIF and Audio Return are enabled on the projector

• If SPDIF and Audio Return are not enabled, please enable SPDIF and
Audio Return on the projector.

• If they are already enabled, please go to step 4.

4. Check if Audio Return is enabled on your video source device.

• If Audio Return is not enabled, please enable it on your video source
device.

• If it is already enabled, please go to step 5

5. Check if the audio format you would like is supported by your device

• If the audio format is not supported, please contact the manufacturer of
your device.

• If audio format is supported, please contact BenQ with the following
information for further investigatio if there is still no audio from your
speaker even with the above process.

- The setting of ARC/eARC on the BenQ projector, input source device,
and audio output device

- How devices and projectors are connected

- The model number of the video source device and audio output device

- Cable length and material

- The audio format from the input source

- Media platform of input source

- Firmware version running on the projector

Please visit the link below and follow the instructions provided to set up ARC/eARC functionality.

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3D is not working or getting lost sync on my projector. How can I fix it?