TFA 35.1117.IT User manual
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WIRELESS 868 MHz WEATHER STATION
Instruction Manual
Cat. No. 35.1117.IT
Thank you for choosing this wireless weather station from TFA.
BEFORE YOU USE IT
Please be sure to read the instruction manual carefully.
This information will help you to familiarise yourself with your new device, learn all of its
functions and parts, find out important details about its first use and how to operate it, and get
advice in the event of faults.
Following the instruction manual for use will prevent damage to the device and loss of your
statutory rights arising from defects due to incorrect use.
We shall not be liable for any damage occurring as a result of not following these
instructions. Likewise, we take no responsibility for any incorrect readings and for
any consequences which may result from them.
Please take particular note of the safety advice!
Please look after this manual for future reference.
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SCOPE OF SUPPLY:
Weather station (basic unit)
Outdoor transmitter
Instruction manual
FIELD OF OPERATION AND ALL OF THE BENEFITS OF YOUR NEW WEATHER
STATION AT A GLANCE
DCF-77 radio controlled time function with manual time setting options
DCF time reception ON/OFF
24 hour display
Calendar display
Time zone +/- 12 hours
Temperature display in degree Celsius (°C)
Indoor and outdor temperature with MIN/MAX records
Manual reset of MIN/MAX records
3 weather forecast icons with weather tendency indicator
Wireless transmission at 868 MHz
Signal reception interval at 4 seconds
Low battery indicators
Wall mounting or table standing (detachable stand)
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FOR YOUR SAFETY:
The product is exclusively intended for the field of application described above. The
product should only be used as described within these instructions.
Unauthorised repairs, modifications or changes to the product are prohibited.
Caution!
Risk of injury:
Keep the instruments and the batteries out of reach of children.
Batteries must not be thrown into the fire, short-circuited, taken apart or recharged.
Risk of explosion!
Batteries contain harmful acids. Low batteries should be changed as soon as possible
to prevent damage caused by a leaking battery. Never use a combination of old and
new batteries together or batteries of different types. Wear chemical-resistant
protective gloves and glasses when handling leaked batteries.
! Important information on product safety!
Do not expose the instrument to extreme temperatures, vibration or shock.
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The outdoor transmitter is protected against splash water, but is not watertight. Choose
a shady and dry position for the transmitter.
ELEMENTS
The weather station
LCD
display
Function
buttons
Hanging hole
Battery
compartment
cover
Detachable
stand
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The outdoor temperature transmitter
Remote transmission of outdoor temperature to weather
station by 868 MHz signals
Splash water proof casing
Wall mounting and table-standing
Mounting at a sheltered place. Avoid direct rain and
sunshine
INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE TRANSMITTER
The temperature transmitter uses 2 x AAA, IEC LR3, 1.5V batteries. To install and replace
the batteries, please follow the steps below:
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1. Remove the battery compartment cover at the back of the
transmitter.
2. Insert the batteries, observing the correct polarity (see marking).
3. Replace the battery compartment cover on the unit.
INSTALL AND REPLACE BATTERIES IN THE WEATHER STATION
The weather station uses 2 x AA, IEC LR6, 1.5V batteries. To
install and replace the batteries, please follow the steps
below:
1. Lift up the battery compartment cover.
2. Insert batteries observing the correct polarity (see
marking).
3. Replace compartment cover.
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Battery replacement
Replace the batteries when the battery symbol of the weather station appears above
the indoor temperature.
When the batteries of the transmitter are used up, the low battery icon appears above
the outdoor temperature display.
Note:
In the event of changing batteries in any of the units, all units need to be reset by following
the setting up procedures. This is because a security code is assigned by the temperature
transmitter at start-up and this code must be received and stored by the weather station in
the first 3 minutes of power being supplied to it.
SETTING UP:
Note: This weather station receives only one outdoor transmitter.
1. First, insert the batteries into the outdoor transmitter. (see “Install and replace
batteries in the temperature transmitter“).
2. Within 30 seconds, insert the batteries into the weather station (see “Install and
replace batteries in the weather station”). Once the batteries are in place, all
segments of the LCD will light up briefly. Then the time (default 0:00), the weather icon
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and the indoor temperature will be displayed. If these are not displayed after 1 minute,
remove the batteries and wait for at least 1 minute before reinserting them.
3. After inserting the batteries, the weather station will start receiving data from the
outdoor transmitter. The outdoor temperature and the signal reception icon should then
be displayed on the weather station. If this does not happen after 3 minutes, the
batteries will need to be removed from both units and reset from step 1.
4. In order to ensure successful 868 MHz transmission, this should under good conditions
be a distance no more than 100 meters between the final position of the weather
station and the transmitter (see notes on “Mounting” and “868 MHz Reception”).
5. Once the outdoor temperature has been received and displayed on the weather
station, the DCF time (radio controlled time) code reception is automatically started.
This takes typically between 3-5 minutes in good conditions.
NOTE FOR RADIO-CONTROLLED TIME DCF:
The time base for the radio-controlled time is a caesium atomic clock operated by the
Physikalisch Technische Bundesanstalt Braunschweig. It 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 clock receives this signal and converts it to
show the precise time. Changeover from summer time or winter time is automatic. The
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quality of the reception depends mainly on the geographic location. Normally there should be
no reception problems within a 1,500 km radius around 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.
Within ferro-concrete rooms (basements, superstructures), the received signal is
naturally weakened. In extreme cases, please place the unit close to a window and/ or
point its front or back towards the Frankfurt transmitter.
During nighttime, the atmospheric disturbances are usually less severe and reception
is possible in most cases. A single daily reception is adequate to keep the accuracy
deviation below 1 second.
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FUNCTION BUTTONS:
Weather station:
The weather station has four easy to use function buttons.
SET button
Press and hold to enter manual setting modes: time zone, manual time, calendar and
DCF time reception ON/OFF
+ button
To change any values in manual set modes
INDOOR/RESET button
To display the MIN/MAX indoor temperature records
SET button
INDOOR/RESET button
+button
OUTDOOR
button
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