Sure, switching ports on CS782DP can be done in 4 different manners.
1. To toggle KVM and Audio focus between ports (Press "Scroll Lock" key twice + "Enter" key)
2. Only toggles the KVM focus (Press "Scroll Lock" key twice + letter "K" + "Enter" key)
3. Only toggles the Audio focus (Press "Scroll Lock" key twice + letter "S" + "Enter" key)
4. When the Mouse Switch function is activated, switches to the next PC (Press the mouse "Wheel or Scroll button" twice).
To activate Mouse Switch, press "Scroll Lock" key twice + letter "W" + "Enter" key (By default, this feature is off).
For details, please refer to below video clip.