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problems may occur. In the event of changing batteries in any of the units, all units need to be reset by
following the setting up procedures.
SETTING UP
Note: This weather station receives only one outdoor transmitter.
1.
First, insert the batteries in the transmitter (see “How to install and replace batteries in the
temperature transmitter” above).
2.
Within 30 seconds of powering up the transmitter, insert batteries in the weather station (see
“How to install and replace batteries in the weather station” above). Once the batteries are in
place, all segments of the LCD will light up briefly and a short signal tone will sound. Then the
indoor temperature and the time as 0:00 will be displayed. If these information are not displayed
on the LCD after 60 seconds, remove the batteries and wait for at least 60 seconds before
reinserting them. Once the indoor data is displayed user may proceed to the next step.
3.
After the batteries are inserted, the weather station will start receiving data signal from the
transmitter. The outdoor temperature should then be displayed on the weather station. If this does
not happen after 60 seconds, the batteries will need to be removed from both units and reset from
step 1.
4.
In order to ensure successful 868 MHz transmission, the distance between the weather station
and the transmitter should be within 100 meters (see notes on “Positioning” and “868 MHz
Reception”).
5.
Once the outdoor data reception test period is completed, the DCF tower icon in the clock display
will start flashing in the upper left corner. This indicates that the clock has detected that there is a
radio signal present and is trying to receive it. When the time code is received, the DCF tower
becomes permanently lit and the time will be displayed.
DCF RADIO CONTROLLED TIME
The time base for the radio controlled time is a Cesium Atomic Clock operated by the Physikalisch
Technische Bundesanstalt Braunschweig which has a time deviation of less than one second in one
million years. The time is coded and transmitted from Mainflingen near Frankfurt via frequency signal
DCF-77 (77.5 kHz) and has a transmitting range of approximately 1,500 km. Your radio-controlled
weather station receives this signal and converts it to show the precise time in summer or wintertime.
The quality of the reception depends greatly on the geographic location. In normal cases, there should
be no reception problems within a 1,500km radius of Frankfurt.
DCF reception is done twice daily at 02:00 and 03:00 am. If the reception is not successful at 03:00 am,
then the next reception takes place the next hour and so on until 06:00am, or until the reception is
successful. If the reception is not successful at 06:00 am, then the next attempt will take place the next
day at 02:00 am.
If the tower icon flashes, but does not set the time or the DCF tower does not appear at all, then please
take note of the following:
•
Recommended distance to any interfering sources like computer monitors or TV sets is a
minimum of 1.5 - 2 meters.
