3
Button under the cover of the battery compartment
°C/°F – toggling the temperature units
Commissioning of the station
1. Insert batteries to the thermometer rst and then to the wireless sensor.
2. When inserting the batteries, respect the proper polarity. Use only alkali batteries of the same
type and do not use rechargeable batteries.
3. Wait till the thermometer automatically nds and reads the signal from the wireless sensor.
4. It will display the outer temperature data.
5. We recommend placing the sensor on your house’s northern side. Do not place the sensor on
metal objects, it would shorten its broadcast range. The sensor is resistant to weather, but
do not put it on direct sunlight, snow and rain. If a depleted battery icon appears in the outer
temperature eld, replace the batteries in the sensor. When replacing the batteries, follow the
station commissioning procedure.
Setting the time and date
1. Push and hold the SET button for 3 seconds – you will get into the setting mode and the “00”
value will go blinking.
2. Use the buttons and to set the time zone.
3. After pushing the SET button the hour data will start blinking. Use the and buttons to set
the hours.
4. After another push of the SET button, the minutes will go blinking. Use the and buttons
to set the minutes.
5. Push SET to conrm this setting.
6. If you do not perform any operation within 20 seconds, the display will return to its normal mode.
DCF77 radio signal reception
1. After inserting the batteries and after nding the sensor signal, the thermometer automatically
starts searching for a DCF signal. It takes 7 minutes. The
icon in the bottom right corner is
blinking. Once the DCF signal has been found, the
icon will be shown.
2. You can start a manual search for the DCF signal, if you hold the button. If the DCF signal is
not found, wait overnight and the signal will be found automatically. The DCF77 radio signal is
broadcast on radio waves from a location near Frankfruct am Mein in Germany within a 1500 km
radius. This radio time signal automatically accounts for winter and daylight-saving-time, leap
years and date change. Under normal conditions (in safe distance from sources of interference
such as television sets or computer screens) the time signal is intercepted within minutes.
If the clock fails to nd the signal, proceed as follows:
1. Move the weather station to a dierent location and try a new search for the DCF signal.
2. Check the distance of the clock from sources of interference such as computer screens and
television sets. The distance should be at least 1.5 m to 2 m when the signal is searched for.
When receiving the DCF signal, do not place the weather station near metal doors, window frames
or other metallic structures and objects (washing machines, spin-dryers, refrigerators etc.).
3. In areas with reinforced concrete structures (cellars, high-rise buildings etc.) the DCF signal is
weaker. In extreme situations you will need to place the weather station near a window towards
the signal source.
The DCF77 radio signal is aected by the following factors:
• Strong walls and insulation, basements and cellars
• Unsuitable local geography (cannot be estimated in advance)
• Atmospheric disturbances, storms
• Not properly insulated electric appliances
• Televisions and computers located near the DCF radio receiver
Displaying the 12/24h time format, temperature units °C/°F
You can toggle the 12/24 time format by the button.
You can toggle the °C/°F temperature units by the button.
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