1. Your z sensor should have arrived from the factory pre-paired. Quickly hit the power button on the z screen to search for its paired sensor. If this doesn't work or the z sensor and z screen become un-paired, follow steps 2-6.
2. Hold the power button on the z screen until you hear two sets of beeps, then release. You may need to hold the z screen to your ear to hear the beeps. If you still can't hear the beeps, hold the button for about 6 seconds then release.
3. The z screen display should show a message indicating it has entered pairing mode.
4. Quickly press and release the power button on the z sensor. The lights will turn on and off. A green light will start flashing, indicating that the sensor is searching for a connection.
5. You'll know the z screen and z sensor are paired when the z screen displays the temperature. Confirm the z screen is paired with the correct z sensor by matching the 20-digit ID located on the z screen and the side of the z sensor underneath the barcode.
6. You can switch from a Fahrenheit display to Celsius by holding the z screen power button for 3 seconds, or until you hear a beep, and let go.