ViewEra V191 BN Series Car Video System User Manual


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