COP-USA CD28IR-IP - Manual (Page 5)

snapshot
speaker/mic （can not be open at the same time）
birghtness/contrast
restore the default
resolution : VGA（640×480）QVGA（320×240）
ratio
cruise
Flip /Mirror
close
touch screen to control PTZ
Chapter 4 PC Software Instruction
4.1 Find “DeviceClient.msi” in the CD and run it like below pic.