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Sound issue
The volume is too low.
Adjust the volume.
If the volume is still low after turning it up to the maximum level, adjust the volume on your PC sound
card or software program.
Video is available but there is no sound.
If an HDMI cable is connected, check the audio output settings on the PC.
Go to Sound and change Speaker Select to Internal.
If a source device is used
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Make sure the audio cable is properly connected to the audio input port on the product.
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Check the audio output settings for the source device.
(For example, if an HDMI cable is connected to the SMART Signage TV, the audio setting for the
cable box may need to be changed to HDMI.)
If the product has a headphone port, make sure nothing is connected to it.
Reconnect the power cable to the device and then reboot the device.
There is static coming from the speakers.
Check the cable connection. Make sure a video cable is not connected to an audio input port.
Check the signal strength after connecting a cable.
Low signal level can cause corrupted sound.
Sound from the SMART Signage TV does not change after
Sound Mode is changed.
Audio settings for main speakers are separate from the internal speakers on the product.
Audio settings on a source device do not affect the internal speaker settings on the product.
There is an echo sound coming from the speakers.
When the built-in speakers are turned on, the built-in and external speakers make sound
simultaneously. This may cause an echo effect due to different decoding rates between these two
types of speakers. If this is the case, set Speaker Select to External.