3.2.1 Audio menu

Press “1”to get the OSD, press “”or ““to move the highlight to Audio menu, and then press “1”to

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enter Audio adjustment,which is done by pressing “”or ““.

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1)Volume

a. Press “”or ““to increase or decrease the volume of the built-in speakers. Then press “1”to confirm the adjustment and back to Audio menu.

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ViewEra V151, V191, V172 user manual Audio menu, Volume