PRYSMA Clock Sensor RTHN129/RTGN130 Atomic Signal Search

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Activating the atomic clock (RF) signal:


  1. The main unit and the wireless sensor must first be connected and the temperature from the sensor should be displayed on the main unit. If they are not connected please follow the Sensor Reset procedure first.
  2. In the battery compartment press and hold the “Search” button for 2 – 3 seconds. The internal LED will flash three times indicating the atomic clock(RF) signal is de-activated.
  3. Press and release the “Search” button. The internal LED will flash two times indicating that the atomic clock(RF) signal is re-activated.
  4. Note: If you have the BAR292A you will also need to press the "RCC" button on the back of the BAR292A display to search for the atomic signal.
  5. It can take up to 24hrs to get the atomic clock signal. If the main unit and the sensor are properly connected, the atomic clock(RF) signal indicator on the main unit will display one to three signal bars. Each main unit is different, please reference your user manual for the location of the atomic clock signal indicator on your display.
  6. Additionally please see the the notes under Atomic Signal Tips for more details.    Atomic Signal Tips