Zn-401s Manual ((install)) [Desktop]

“Place the sensor probe against the affected housing. Rotate the tuning dial until the 'Null Point' is achieved. Note: The ZN-401S does not fix errors; it translates them. Listen to the translation.”

This device operates via signals, meaning it requires a direct line of sight to the TV’s sensor. It does not use Bluetooth or RF frequencies, which makes it simple to set up but requires that you point the remote directly at the television. zn-401s manual

Power on the unit. The display will show the current reading. “Place the sensor probe against the affected housing