Sennheiser UI770 Amplifier Troubleshooting Steps*

Sennheiser UI770 Amplifier Troubelshooting Steps

No Audio in the headset

- Verify set up

- Verify compatibility setting ( ‘A’ being most common)

- Make sure that the handset button is UP

- Make sure all cords are plugged in all the way

No Speaker or No Mic Audio

- Verify Set up

- Verify compatibility setting

- Make sure the speaker/mic volume is turned up

- Make sure all cords are plugged in all the way

- Try a different headset or qd cord

- Check to see if the handset has 2 way audio when plugged into the amp. If it does it is either the headset or quick disconnect cord.