Speaker/Receiver Unit Tester Type 2120A

Ensure BK2120A is properly connected
Ensure Model File is correctly set up (see manual)
Calibrate (see manual). Enter Limit References
Seat DUT on Coupler
Enter Noise Reference at the beginning of each shift or if noise level changes
Connect DUT (Testing will start if autostart is active)
Press             or click the foot pedal. Testing starts.