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Nexus / Sinus / Duo – Frequently asked questions

To quickly reset a transmitter, first make sure that it is fitted with proper 1.5 V batteries. Then place the transmitter directly next to the station. Now hold down the “down arrow” key for 3 seconds to activate a manual transmitter search. Please observe whether the transmitter can be received again when it is directly next to the station – and therefore radio interference can be largely excluded. If this is the case, there is currently a deterioration of the radio signal possibly due to the distance (or where the transmitter is located).

Also, in this case, the transmitter can be tested by temporarily placing it next to one of the other transmitters (assuming they are received by the base station easily / permanently). If a transmitter cannot be found even with the manual search, we unfortunately have to assume a defect.

To perform a reset of the base station (model Nexus, Sinus or Meteo Time Duo) back to factory settings, please follow the steps below: 

  1. Push and hold the “Snooze” button and then in addition push and hold the “Arrow key up” button. Hold both buttons simultaneously for 4 seconds. 
  2. Once the background light starts flashing, release the two buttons. Now please push the “Set” button in order to confirm the reset. 
  3. The Nexus or Meteo Time Duo start to beep for about 2 minutes, the Sinus only for a few seconds. 
  4. Finally – after the base unit stops to beep – it has to be switched-off. In order to do this, please take away the power supply. You have to take off the batteries of Nexus, Sinus and Meteo Time Duo. In addition you also have to unplug the main supply for Nexus and Meteo Time Duo. 
  5. After a moment without power supply the batteries can be re-inserted. The reset is complete.

The floating-point error message indicates an abnormality in the data memory.
We recommend downloading the latest software version from the download area in our homepage. From version 1.3 onwards, the software has an automatic correction for possible irregularities and also a repair tool with which already existing irregularities can be solved.

The TFA Nexus / Sinus software is generally compatible with Windows Vista. But make sure that the TFA Nexus / Sinus software is run under an administrator account login. Unfortunately, the format of the usual help file is no longer supported by Windows Vista. However, the help file is nothing else than the instructions for use, and the software also comes with a PDF file with corresponding links.

To do this, the rain transmitter must be restarted individually first (remove batteries for 1 minute and then insert them back again). Immediately after restarting the transmitter, the manual transmitter search must be activated on the base station. With the next record being saved, the total rainfall is reset to 0. The display of the rainfall for the periods shown on the base station (Last Hour, Last 24H, Yesterday, …) is not affected.

Unfortunately, this is not possible. The recording intervals are determined by the base station unit and cannot be set at random. However, since this is dependent on the time when the initialization of the external transmitter took place, the recording time can be changed with a new restarting of the transmitter or influenced by the activation of a manual transmitter search on the base station.

To to start a new history file, you must first remove (copy and rename or just delete) the current history file “Nexusorg.dbf” or “Sinusorg.dbf” from the folder “Data” in the installation directory of the software. A new history file is automatically created next time you start the software.

This is usually related to the display settings of Windows.

For correct display of the software, go to Windows display setting on your computer and check the settings. The DPI scaling for the symbol and font size display should always be set to “Normal – 96 DPI”.

The wind transmitter direction is set by default, so that when mounting on a mast (recommended) you just have to align the sensor support arm to the north, and then install the wind transmitter. A setting with the “Set” button is then not necessary, even after a battery change. Only if an alignment of the support arm to the north is not possible, after installing the wind transmitter, the wind vane must be aligned to the north and after each use the “Set” button (found in the battery compartment) with a sharp object to be operated around the wind direction correctly adjust.

After restarting, the current relative air pressure (SEA LEVEL) must be set. Since you can adjust your current relative air pressure directly, the sea level is only an issue if you cannot find a reference value.

You can get this information from the Internet, public authority bodies or from your local weather service. To set the reference value, select “SEA LEVEL” on the “Weather / Pressure” display by simply pressing the “SET” button, then press the “SET” button for 3 seconds until the value flashes. Now you can use the ‘arrow keys’ to set the current reference value.

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