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TFA_30.3035_Anleitung
03.03.2008
THERMO-LIGHT
– Wireless thermometer
3. Getting started
3.1 Insert batteries
• Open the battery compartment of the transmitter. For this purpose remove the
bracket stand and unlock the protection cover by pushing inwards the two lat-
ches at the bottom. Slide down the battery door at the rear side.
• Open the battery compartment of display unit and place both instruments on
a desk with a distance of approximately 1.5 meter. Check that no other electro-
nic devices are close.
• Insert the batteries (3 x 1,5 V AAA) first into the battery compartment of the
display unit and immediately afterwards 2 x 1,5 V AAA batteries in the trans-
mitter, observing the correct polarity.
• Connect the display unit to the attached power adapter.
Attention: The light in continuous operation only works with power adapter.
3.2 Reception of outdoor temperature
• The display unit automatically starts scanning the 433 MHz signal to register
the thermo sensor unit after batteries are inserted.
the display unit and the channel number flashes on the LCD of the receiver.
• If the reception of outdoor values fails, "- -" appears on the display. Check the
batteries and try it again. Check if there is any source of interference.
• Manual initialization can be helpful. Hold "CH" button on the display unit for
2 seconds. Use a pin to press the "RESET" button on the thermo sensor unit to
transmit temperature to the main unit manually (e.g. for testing or in case of
loss of transmitter signal).
3.3 Radio controlled time reception:
• The clock will then scan the DCF (radio controlled clock) frequency signal. The
DCF symbol flashes on the LCD and appears permanently when the signal is
received successfully.
Important: Light will be switched off while scanning the DCF signal.
• The wave display shows the signal receiving status of the main unit:
Very weak
Weak
• The clock is able to scan the time signal manually by holding " " button for
3 seconds.
• Hold " " button for 3 seconds again to stop scanning DCF time signal.
• In case the clock cannot detect the DCF-signal (for example due to distur-
bances, transmitting distance, etc.), the time can be set manually. The clock
will then work as a normal quartz clock. (see 4.1 Setting of clock and calendar).
• The time base for the radio controlled time is a Caesium Atomic Clock opera-
ted 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 clock 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 pro-
blems within a 1,500 km radius around Frankfurt.
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16:02 Uhr
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flashes on the LCD of
Medium
Strong
THERMO-LIGHT
– Wireless thermometer
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 metres.
• Within ferro-concrete rooms (basements, superstructures), the received signal
is naturally weakened. In extreme cases, please place the unit close to a win-
dow and/or point its front or back towards the Frankfurt transmitter.
• During night-time, 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.
4. How to operate
• Important: Buttons will not function while scanning DCF or outdoor tempera-
ture signal unless they are well received or stopped manually.
• During operation, all successful settings will be confirmed by an acoustical
signal.
• The instrument will quit the setting mode, if there is no button used within
10 seconds.
• Holding " " or " " buttons, you will enter fast mode.
4.1 Setting of clock and calendar
• Hold "MODE" button for 2 seconds. The "24Hr" indicator is flashing. Press " "
or " " buttons to choose 12 HR or 24 HR system.
• Confirm with "MODE" button.
• The setting sequence is shown as follows: Hour, Minutes, Year, Month/day
sequence, Month, Date, °C or °F as temperature unit.
• In "month/day sequence" the two different date displays can be selected:
month/date (American version) or date/month (European version).
4.1.1 Display of clock, calendar and alarm time
Each press on the „MODE" button will change the display between:
• Clock
• Date
• Alarm time
4.2 Alarm clock function
• Press "MODE" button two times in normal mode. The alarm time appears on
the LCD. Hold "MODE" button for 2 seconds to enter Alarm Time setting. Press
" " or " " buttons to adjust hours. Confirm hours with "MODE" button and
switch to minutes setting. Confirm with "MODE" button. The alarm is activat-
ed.
• Press " " button to switch the alarm off (the alarm symbol disappears) or on.
• When alarm is sounding, press any button to stop the alarm.
• You can activate the snooze function by pressing the top of the instrument.
The alarm symbol is flashing and the alarm will be interrupted for 5 minutes
4.3 Temperature
4.3.1 Indoor outdoor temperature
• By using the "CH" button on the base station you can scroll between the
indoor ("IN") and outdoor (channel 1-3) readings. You can also choose an
alternating channel display. Press "CHANNEL" button. After the last registered
channel a circle symbol appears
for alternating channel.
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