The following article applies to the speaker system KWS-750.
There is 2 ways to enable 5.1CH in your KWS-750.
1. In your remote control you can press the PRO-LOGIC button as illustrated in point 6 of the diagram below.
2. You can press the PRO-LOGIC button in the front part of the KWS-750.
3. When the PRO-LOGIC effect is OFF, only the front left/right speaker and Subwoofer will work. Refer to image below when PRO-LOGIC is OFF. Therefore the rear left/right surround speaker and center channel cannot be configured or set.
4. To get the full 5.1CH experience, the PRO-LOGIC feature must be set to ON.