User’s Guide

78 Operating the Monitor
Click DELL C2423H/C2723H, and then click Set Default, the monitor speaker will
be used as the default setting.
Click OK to exit the Sound setting.
If the USB cable and the HDMI or DP cable are connected from the monitor to the
computer, two audio paths named DELL C2423H/C2723H and Echo Cancelling
Speakerphone (C2423H/C2723H) from the monitor will show in the Sound
setting interface. The DELL C2423H/C2723H monitor would show options for
two audio paths supported in the monitor.