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WIRELESS WEATHER STATION  

 

Ref.: SM121 + SM121-B 

 

 

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O

PERATION  

I

NSTRUCTION 

 
 

1/ MAIN FUNCTIONS 

 

1. Radio-controlled 

clock 

2.  Weather forecast for 4 states: sunny, semi-sunny, cloudy, rainy  

3.  Seven languages to show the day: English, Germany, French, Italian, Spanish, Dutch, Danish 

4.  Indoor temperature range: 0°C to 50°C, sampling cycle: 12 seconds 

5.  Indoor humidity range: 20% to 95% 

6.  Outdoor temperature/ humidity with RF :  up to 3 channels 

7.  In/out trend indication of temperature/humidity 

8.  Alarm function for upper or lower limit of outdoor temperature 

9.  Indication of the comfort index  

10.  The function of Alarm/ Snooze 

11. Summer time 

12. Moon phase 

 
2/ POWER-ON AND RESET 
2.1 Setting up batteries  
a) Open the battery compartment on the back of the station and remove plastic protections of 2 batteries.  
b) Place the batteries based polarity, and properly close the door.  
c) Then open the door to stack probe back and remove plastic protections of batteries. 
d) Place the batteries based on polarity, and properly close the compartment. 
e) Then wait for about 7 minutes time is automatically displayed.   
    Note: for manual tuning, see paragraph 3.3.  
2.2   When Power-On and reset, LCD full display for 3 seconds 

  enter

 

the normal state after “Beep”  

 check temperature 

and humidity  
 

1.   The calendar defaults 0:00 January 1, 2004 

 

2.   Alarm defaults 0:00 

 

3.   The weather icon defaults semi-sunny 

 

4.   Temperature scales defaults Celsius degree °C.  

 

5.   Time system defaults 24Hr. 

 
3/ INSTRUCTION OF OPERATING THE KEYS 
 
3.1  Key functions  

  Six  functional keys: DOWN, UP, SET, ALARM, CHANNEL, SNOOZE. 

 

 

 

 

 

 

 

 

 

 

 

English 

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