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Weather forecast 

The device calculates the weather forecast for approximately 12 hours in advance. The calculation is made on the 
pressure development basis. The forecast is only indicative and cannot be compared with large weather stations. This 
device  provides  only  an  approximate  indication  of  the  current  weather  trend  in  a  small  area.  The  forecast  is 
represented by the following icons: 

 

 

 

 

 

 

Sunny 

Slightly cloudy 

Frozen 

Rain 

Storms 

Snowfall 

 

Notes: 

 

The "Snowfall" icon will only appear if the outside temperature is below -

4 °C (+25 °F) and the forecast is for rain 

or thunderstorms.

 

 

The data for the forecast is collected from the first channel. If there is no signal on the first channel, then from the 
second channel and if there is no signal from either, then data from the third channel is used.

 

 

After 7 - 10 days of air pressure measurements, the forecast will be stable with an accuracy of 70 - 75%.

 

 

The forecast is valid for a radius of about 12 - 20 km.

 

 

In the INDOOR and OUTDOOR section, the symbol of increasing or decreasing pressure may be displayed. If no 
symbol is displayed, the pressure remains constant.

 

Radio signal reception

 

 

The clock will automatically start searching for a 

DCF 

signal 7 minutes after any reboot or battery change. The radio 

mast icon will start flashing. 

 

At 1:00 /2:00/3:00, the clock will automatically synchronise with the 

DCF 

signal to correct any deviations from the 

exact time. If this synchronization attempt is unsuccessful (the radio mast icon disappears from the display), the 
system will automatically attempt another synchronization at the next full hour. This procedure is automatically 
repeated up to five times in total.  

 

To start manual reception of the 

DCF 

signal, press and hold the 

"

" button for two seconds. If no signal is received 

within 7 minutes, the 

DCF 

signal search will stop (the radio mast icon will disappear) and start again on the next full 

hour.  

 

To  stop  searching  for  a  radio  signal  while  receiving a  DCF  radio  signal,  press  and  hold  the 

"

"  button  for  two 

seconds. 

Notes:

 

 

A flashing radio mast icon indicates that 

DCF 

signal reception has started

.

 

 

A continuously displayed radio mast icon indicates that the 

DCF 

signal has been successfully received. 

 

The "

DST" 

symbol indicates the time of daylight saving time adoption. 

 

We recommend a minimum distance of 2.5 metres from all sources of interference such as televisions  

 

Radio reception is weaker in rooms with concrete walls (e.g. basements) and in offices. In these extreme cases, 
place the system near a window. 

 

During  DCF  radio  reception  mode,  only  the 

"

"  button  works,  other  button  operations  can  only  turn  on  the 

backlight. To perform other operation functions, press the 

"

" button to exit the DCF radio receive mode. 

 

Note that the backlight will automatically turn off when  you switch to the radio time reception mode. This is a 
normal phenomenon. When you stop receiving radio time control, the backlight will automatically turn on. 

 

Summary of Contents for TE81XL

Page 1: ...warning display of minimum maximum humidity and air temperature display of indoor comfort and mold risk upper and lower outdoor temperature limit and frost warning wireless outdoor sensor can be wall...

Page 2: ...t index A5 Sunrise time A6 Selected city A7 Sunset time A8 Month and date A9 Time A10 Day of the week A11 Pressure histogram A12 Tidal level A13 Phases of the Moon A14 Atmospheric pressure A15 Outdoor...

Page 3: ...the OUTDOOR segment of the display Insert the batteries into the wireless sensor taking care to observe the marked polarity The wireless signal transmission will start automatically Set the desired ch...

Page 4: ...s follows AL1 Alarm 1 B1 AL2 Alarm 2 B2 AL1 HOUR AL1 MINUTE AL1 REPEAT AL1 SNOOZE AL2 HOUR AL2 MINUTE AL2 REPEAT AL2 SNOOZE EXIT REPEAT M F Monday to Friday S S Saturday and Sunday M S Monday to Sunda...

Page 5: ...can show maximum minimum temperatures and relative humidity Switch between the values with short presses of the down arrow To reset all values press and hold the down arrow for approx 2 seconds Setti...

Page 6: ...to correct any deviations from the exact time If this synchronization attempt is unsuccessful the radio mast icon disappears from the display the system will automatically attempt another synchronizat...

Page 7: ...uage is set to English NIGHT MODE BRIGHTNESS HR ENTRY TIME MIN ENTRY TIME HR EXIT TIME MIN EXIT TIME EXIT When night mode is on the icon will be displayed When the time for night mode to start is reac...

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