The shortcut to the PC4K S-Type Expander/Gate found under the Windows Start menu does not pull up the help manual correctly. This manual, titled "PC4K-ExpGate.chm", can be located by navigating on your computer to C:\Program Files\Cakewalk\Shared Utilities\Internal\PC4kGate

You can also bring up the help by focusing the PC4K S-Type Expander/Gate in SONAR and pressing F1 on your keyboard.

This is also available as a .pdf from the link below.

Download the PC4K S-Type Expander/Gate Documentation (Approx. 350 KB)