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wind cups need to be installed below the mounting bracket. 
• Cord: 
Check that the wind cord is in good repair, free of cuts, animal bites, pinch marks etc. Be sure it is secured 
from blowing around, by twist ties or zip ties. Do not use staples. Did you shorten, lengthen, splice or 
modify the cord in any way? Check that the port on the Thermo-hygro sensor where the wind cord plugs in 
free of corrosion or bent wires. 
• Interference: 
Are there sources of radio frequency or electromagnetic interference near the Base or the Wind sensor? Ham 
radios, Baby monitors, Cordless Phones, etc can cause loss of signal or erratic readings. 
• Direction is stuck but speed is correct: 
Check that nothing is binding the wind vane. Is it sticking in one particular direction? Check sources of 
interference above. 
• Direction is incorrect speed is fine: 
Be sure to observe the Directions listed on the sensor (N, S, E, W) The point of the vane will tell you where 
the wind is coming from. The large arrow on the compass rose of the base station will tell you the average of 
where the direction was coming from in the past 4.5 second update. The smaller arrows if they appear, 
indicate the directional changes during that same period.  
• Direction is fine but there is no Wind speed: 
Check that the cups are there and spinning freely. Please follow the Proper Restart listed above. 

– Minimum and Maximum Readings 

 
The weather station will record the Minimum and Maximum value of Outdoor Temperature, Dew Point, 
Wind Chill, and Relative Air Pressure with Time and Date of recording automatically. The weather station 
will also record Maximum Wind Speed, Wind Gust, and 24 hour Rain with Time and Date of recording 
automatically. 
 
MIN/MAX weather data can be viewed by pressing the MIN/MAX key in normal display mode. Keep 
pressing to toggle through the different Min and Max readings. 
 
• Reset the Min/Max data 
To reset the MIN/MAX weather data, you shall need to reset each of the data independently. 
1. Press MIN/MAX key to show the desired weather data. 
2. Press and hold the SET key for about 2 seconds, then the "RESET" icon will appear at the bottom part of 
the LCD. 
3. Press the PLUS key once, and then the stored value will be reset to the Current value and Current time. 
4. Press the ALARM key to return to normal display mode. 
 
• Reset Total Rainfall 
In normal display mode, press the MIN/MAX key 14 times to show the total rainfall value. The "RESET" 
icon will also be shown at the same time. To Reset the Rainfall reading, press the PLUS key once when the 
Rainfall value and "Reset" icon is shown. Then the total rainfall amount will be reset to 0, and the time 
updated to Current time. 

– History 

 
The WS1516IT can store up to 140 sets of weather data (not min/max values) which are recorded 
automatically at 3-hour intervals after the weather center is powered up, at the nearest time of 0:00, 03:00, 
06:00, 09:00, 12:00, 15:00, 18:00 and 21:00. Each History record includes the Wind Direction, Wind Speed 
in Beaufort Scale, Wind Chill Temperature, Wind Speed, Wind Gust, Outdoor Temperature and Humidity, 
Relative Pressure, 24 hour Rainfall, Total Rainfall, Pressure History and Weather Tendency. The Time and 
Date of history recording will be displayed. 
 

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