Lexibook SM1760 Manual De Introducción

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Copyright © Lexibook 2006 
SM1760IM0036 GB15
English
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15
COMFORT LEVEL ICON
PRESSURE HISTORICAL BAR GRAPH
Copyright © Lexibook 2006 
SM1760IM0036 GB16
16
Low pressure
Why study barometric pressure? 
Generally, bad weather is associated with low barometric pressure and fine 
weather with high pressure. A low pressure area is surrounded by air of 
higher pressure. As the higher pressure air cannot move in the low pressure 
area, it will move upwards, causing condensation of water in the air and 
producing clouds. The opposite is true for high pressure: in a high pressure 
area, air of lower pressure will move downwards, warming up the air and 
evaporating the water in the air.
Pressure trend 
The trend pointer displayed at [A2] indicates the trend of the barometric pressure.
Indicates that the barometric pressure trend is increasing.  
Indicates that the barometric pressure trend is steady.
Indicates the barometric pressure trend is decreasing.
The bar graph lets you see the pressure trend over a period of 12 hours. The bar graph will show the 
pressure trend by default. To view the indoor temperature trend or the outdoor temperature trend, press 
Snooze [5] in Clock1 mode. 
The sequence is:  
     Pressure Trend         
      
     Inside Temperature Trend
          
     Outside Temperature Trend
Note: 
The weather forecast, by the means of the animated icons, depends on the evolution of the barometric 
pressure. By consulting the barometric pressure historical graph you can evaluate the likeliness or the 
strength of the weather forecast currently displayed. For example, if the pressure has steadily increased 
over the past 12 hours but decreases slightly in the next 3 hours, the weather station might forecast rain, 
but you could expect the probability of rain to remain low. On the other hand, if you observe a sudden 
and large shift in pressure, the weather forecast is more likely to be extreme. For example, if the 
forecast is rain, and you observe a large and sudden downward shift of pressure, the rain is likely to be 
heavy. 
The comfort level will be established based on the data collected from indoor temperature/humidity. The 
indicator below will display whether the level is comfortable, normal or uncomfortable.
Comfort Level         Description
It shows that the current environment is within 
the ideal range for indoor temperature and 
relative humidity.
It shows that the current environment is 
acceptable.
It shows that the current environment is containing 
inadequate moisture, too cold or too hot.