Asus BE24EQSK 23.8" 16:9 IPS Business Monitor with Webcam - Manual (Page 25)

2-11 ASUS BE Series LCD Monitor
If the USB cable and the HDMI or DP cable are connected from monitor to the
computer,
Click ASUS BE/C6 webcam series Set Default , the monitor speaker will be used
as the default setting.
Click OK to exit the Sound setting.
Sound setting set the BE/C6 webcam series as default.