Datavideo DAC-45 Instruction Manual page 14

Set the Audio Mute, Audio Source and Audio Level.
Audio Mute
ON
•
• OFF
Audio Source
• Default
• SDI
HDMI
•
L/R Audio
•
Audio Level
• SMPTE(USA)
EBU(Europe)
•
Note: Audio Level allows the user to select EBU or SMPTE standards.
Click Apply after setting the Audio Mute, Audio Source and Audio Level.