kuando Busylight Combi
Troubleshooting
I can't get a dial tone in the headset
Step 1
Check installation(see installation guide)
Step 2

The two selection switches on the side of the Busylight box have the factory setting "I". Move them both to "II" and check if the problem is solved.
Busylight doesn't light up during conversation in the headset
Step 1
Check installation(see installation guide)
Step 2

Adjust the sensitivity controller on the turnwheel to find the level that suits your voice and your headset.