An engineer is configuring the brightness on a Cisco SX10 endpoint with default configuration via the CLU with the xConfiguration Cameras Camera 1 Brightness Level: 1 command but notices no changes to the local display brightness level. Which is the reason for the issue?
A. The default brightness level is 1.
B. The display brightness was changed from the remote end.
C. The brightness mode must be set to manual.
D. The codec must be rebooted for the changes to take effect.
