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Helpline No. UK/Northern Ireland 020 79176050  

Helpline No. UK/Northern Ireland 020 79176050 

Helpline No. UK/Northern Ireland 020 79176050 

Helpline No. UK/Northern Ireland 020 79176050 

Rep. Ireland 0044 20 79176050 

Rep. Ireland 0044 20 79176050 

Rep. Ireland 0044 20 79176050 

Rep. Ireland 0044 20 79176050 

Web Support [email protected] 

Web Support [email protected] 

Web Support [email protected] 

Web Support [email protected] 

Page 5 

this is shown by an arrow pointing upwards or downwards. If there has 
been no change, this is shown by a horizontal arrow.

 

5.5.6

 

 External sensor 

A cable connection is not needed to transmit the signal from the external 
sensor to the base station. The external sensor transmits on a frequency 
of 433 MHz. The transmission range from the external sensor to the base 
station can be up to 40m in optimum conditions in the open. 
Transmission between the external sensor and the base station can be 
impaired by objects such as stonework, reinforced concrete, metal 
windows and fog or by placing the external sensor and base station on 
the floor, etc.

 

5.5.6.a

 

External sensor display 

 
After inserting the batteries in the external sensor (see point 4, Putting 
the device into operation), the external temperature and external 
humidity is shown on the external sensor’s display. 

5.5.6.b

 

Selecting °Celsius / °Fahrenheit 

 
To re-set the temperature display on the external sensor, press the C/F 
key on the back of the external sensor. (Please remove the battery 
compartment cover first as described in point 7.2.2 Changing the 
battery). Each time the key is pressed the display will change to °C or °F.

 

5.5.6.c

 

Registering a second or third external 
sensor 

 
Additional external sensors are not included. Please contact our service 

address or our webshop

  (

http://www.produktservice.info/shop/) if you 

would like to buy additional external sensors. 
Carry out the registration of the additional external sensors on a table 
where you can lay the base station and the external sensor(s) next to each 
other or stand them up. First set the channel selector on the back of the 
external sensor (remove battery compartment cover) to the required 
channel on which the external temperature and external humidity of this 
external sensor should be displayed on the base station (the first external 
sensor will normally be displayed on channel 1, therefore select channel 
2 or 3 for additional sensors).

 

 

Then insert the batteries in the external sensor as described in point 
7.2.2, Changing the battery. The selected channel number will be shown 
at the upper left of the external sensor’s display. The signal will transmit 
shown by the flashing of the red indicator on the front of the external 
sensor. If the selected channel number does not appear at the top left of 
the external sensor’s display, you can press the TX key to speed up the 
transmission of the signal. If registration is not possible, please refer to 
point 9, Troubleshooting.

 

5.5.6.d

 

Changing the channel display on the base 
station manually and automatically 

When you have registered 2 or 3 external sensors, press the CHANNEL 
key to change from one channel to the next. If a rounded arrow is shown 
on the display the channels will be displayed automatically one after the 
other.

 

 

Changing the channel display automatically 

 
 

Tip: 

If for structural or other reasons it is not possible to attach the external 
sensor to the windowsill or the house wall, you can use a sensor 
extension cable which will be connected to the external sensor’s 
connector. Place the external sensor on the windowsill in the living room 
for example and feed the sensor extension cable a few centimetres 
outside under the window. The temperature can be measured using the 
sensor extension cable. This sensor extension cable is however not 
included in this delivery. Please contact our service address or our 

webshop

  (

http://www.produktservice.info/shop/) if you would like to 

buy a sensor extension cable. 

 

5.5.7

 

Technical data, temperature and humidity

 

Base station temperature 
Range of measurement: 

0 to +50°C (+32 to +122°F)

 

Interval of measurement: 

every 10 seconds

 

Resolution:  

0.1°

 

Accuracy: 

+/- 1°C and +/- 1.8°F

 

 
External sensor temperature 
Range of measurement:  

-25 to +60°C (-13 to +140 °F)

 

Interval of measurement: 

every 30 seconds

 

Resolution:  

0.1°

 

Accuracy:  

+/- 1°C and +/- 1.8°F

 

 
Base station and external sensor humidity 
Range of measurement: 

20 to 99%

 

Resolution: 1%

 

Accuracy: 

+/- 10 %

 

 
External sensor’s transmission distance to base station: 

 

max. 40 metres in the open 
 
External sensor’s transmission frequency to base station: 433 MHz

 

5.6

 

Atmospheric pressure 

 

5.6.1

 

Atmospheric pressure display

 

 
 
 

 

Atmospheric pressure display 

After inserting the batteries, the base station will begin by displaying 
atmospheric pressure of 1013 hPa (factory setting). 
The atmospheric pressure will be measured hourly starting from the 
point that the batteries are inserted in the base station or from when the 
atmospheric pressure value is set manually. 

Tip: 

To obtain a useful weather forecast you must input the current 

atmospheric pressure value for your region (see next point 5.6.1a, 
Inputting the atmospheric pressure value. You can obtain the current 
atmospheric pressure value from the weather pages on video text or the 
weather sites on the Internet, eg.: www.meteo24.de or www.wetter.com. 

 

5.6.1.a

 

Setting the atmospheric pressure value 

Press and hold the CLEAR/SET BARO key until the atmospheric 
pressure display begins to flash. You can alter the atmospheric pressure 
from 850 to 1050 hPa using the B

 or B

 key.  Press the CLEAR/SET 

BARO key quickly to confirm your setting. The base station will now 
show the current atmospheric pressure in hPa.

 

5.6.1.b

 

Atmospheric pressure diagram

 

 
 

 

 

- Atmospheric pressure diagram 

 
 

The atmospheric pressure graphic shows the development of the 
atmospheric pressure over the past 12 hours in 5 stages, i.e. the 
respective settings for 0 hours ago, 1 hour ago, 3 hours ago, 6 hours ago 
and 12 hours ago. The column value is given for each of the 5 stages as a 
diagram which reflects the trend over the stored period of time. A scale 
on the right-hand side compares the results. The ‘0” in the middle of the 
scale indicates the current atmospheric pressure, each change is shown in 
hPa (+/- 2, 4, 6 and 8 hPa), how high or low the pressure was earlier in 
comparison to the current pressure, which is shown in the right-hand 
column. One bar equals 2 hPa. 

Tip: 

Please note that the atmospheric pressure diagram is always re-

configured  from left to right (flashes)!

 

5.6.1.c

 

Atmospheric pressure min./max memory  

To read off the maximum and minimum values of atmospheric pressure, 
press the MIN/MAX key once to read off the maximum value and once 
again to read off the minimum value and once again to return to the 
normal display. The minimum and maximum atmospheric pressure value 
cannot be deleted as it is a recording of the minimum and maximum 
values over the past 12 hours.

 

5.6.2

 

Weather forecast 

The weather forecast is an approximate statement which is calculated for 
the next 12-24 hours over a radius of approximately 30-50 km.  The 
weather forecast is based on the fluctuations of the atmospheric pressure 
and agrees with the actual weather with a probability of approximately 
70-75%. As it is not possible to predict the weather with 100% accuracy, 
we do not accept any liability for damage which may occur as a result of 
an incorrect weather forecast. The weather is forecast using the 
following symbols: 

 

 

  

 

            Sunny 

             Light cloud 

           Cloudy

 

        

               

          Rain 

 

         Snow 

If the measured temperature on an external sensor is b1°C and -
1°C, the snowflake symbol and an exclamation mark will flash to warn 
of frost. A snowflake symbol and an exclamation mark are displayed 
constantly if the measured temperature on an external sensor falls below 
-1°C.

 

 

 

Bad weather / storm warning 

If the weather forecasting symbols flash, this is an indication of pending 
bad weather or a storm front, together with falling atmospheric pressure. 
It is a pre-requisite that the relative atmospheric pressure is set correctly 
for your region. If the atmospheric pressure rises again, the weather 
forecast remains constant. At the top left of the display, the weather 
tendency is shown and is updated every hour. If the atmospheric pressure 
changes by more than 1 hPa within an hour, this will be indicated by an 
arrow which points upwards or downwards. If there has been no change, 
this is shown by a horizontal arrow.

 

horizontal arrow = constant atmospheric pressure 
arrow pointing upwards  = rising atmospheric pressure 
arrow pointing downwards = falling atmospheric pressure 

 

Tip: 

After setting the basics, it takes approximately 12 to 24 hours before you 
receive a useful weather forecast. 

5.6.3

 

Technical data for atmospheric pressure 

Range of measurement: 

950 to 1,050 hPa

 

Channel 
1, 2 ,3 

Bars 

    = 2 

Columns 

Atmospheric pressure  in hPa

Hours 

Scale 

in hPa 

Current atmospheric 
pressure (=Basis for 
the diagram)

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