Yes, Microsoft wireless desktop 3000 keyboard/mouse combo will work with CS1792 and CS1794, by modifying the KVM settings: 

1. Connect a wired keyboard/mouse to port 1 of the KVM

2. Place your first finger on the [Num. Lock] key on the number pad

3. Place your ring finger on the minus [-] key

4. Press down and hold the [Num. Lock] key

5. Press and release the [-] key

6. Release the [NUM LOCK] key

NOTE: The caps LED should be blinking on your keyboard

7. Tap the [F1] key then [Enter]

8. Repeat step 2~7 on each port of the KVM

9. Connect the KB/Mouse receiver to the keyboard port of the  KVM

Note: Please make sure the firmware is v1.2.119 and above. If not, please upgrade it. 
The firmware file is attached below.