Dahua HD4-TD27, User Manual

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Figure 4-3
See Sheet 4-1 for the details of button functions.
Button Function
Open menu
、
Select menu item
、
Select menu value
Sheet 4-1
4.3 Set Audio Coax
From “Main Menu > Setting > Camera > Encode > Encode”, you need to set “Audio Format” as
“G711a” and the “Audio Source” as “HDAVS”. See Figure 4-4 for more details.