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WEATHER TENDENCY THRESHOLD VALUE SETTING

 

 
 
 
 
 
 
 
 
 
You may select a definite switching sensitivity value, .06, .09, or .12 inHg (2-4 hPa) for the 
change in the display of weather icons. This represents the "sensitivity" of the weather 
forecast (the smaller the value selected, the more sensitive the weather forecast).  The 
default value is 0.09 inHg (3 hPa). 
 
1. 

The threshold value will start flashing 

2. 

Use the + or MIN/MAX key to select the value. 

3. 

Confirm with the SET key and enter the 

STORM WARNING THRESHOLD VALUE 

SETTING

 

STORM WARNING THRESHOLD VALUE SETTING

 

You may also define a switching sensitivity value for the Storm warning display at a 
decrease of air pressure from .09 inHg to .27 inHg (3-9 hPa) over 6 hours (Default 0.15 
inHg (5 hPa)). 
 
 
 
 
 
 
 
 
 
1. 

The threshold value will start flashing. 

2. 

Use the + or MIN/MAX key to select the value. 

3. 

Confirm with the SET key and enter the 

STORM ALARM ON/ OFF SETTING

Flashing 

Flashing 

Summary of Contents for WS- 1910TWC-IT

Page 1: ...1 WS 1910TWC IT WEATHER CENTER Instruction Manual ...

Page 2: ...screen 12 Manual settings 14 Weather forecast and weather tendency 18 Wind speed measurement 21 Rainfall measurement 21 Viewing history data 22 Viewing the MIN MAX weather data 23 Outdoor transmission 915 MHz reception 29 Positioning 30 Care and maintenance 33 Specifications 34 Warranty information 35 ...

Page 3: ...ecast Pages after pages you will discover that the operation of your weather station is really simple INVENTORY OF CONTENTS 1 Wireless Weather Station WS 1910U IT 2 Wireless Thermo hygro Sensor TX31U IT and Wind Sensor TX55U IT with mounting bracket 3 Instruction Manual INSTANT TRANSMISSION is the state of the art new wireless transmission technology exclusively designed and developed by LA CROSSE...

Page 4: ...yed in C of F Wind gust displayed in km h mph or m s Wind speed displayed in km h mph or m s 24 hour and total rainfall displayed in mm or inch optional Display MIN MAX value of outdoor temperature outdoor humidity dew point wind chill and relative air pressure with time date of recording Display MAX wind speed and gust with time date of recording Relative air pressure displayed in hPa or inHg Air...

Page 5: ...mission of the outdoor temperature and humidity to the Weather Center at 915 MHz open air Rain resistant casing Wall mounting case to be mounted vertically in a sheltered place Avoid direct rain and sunshine The TX55U IT Wind sensor Connected to the thermo hygro transmitter by cable Can be installed onto a mast or a horizontal panel with the cups on the bottom The TX32U IT rain sensor optional sol...

Page 6: ...SET UP NOTE When first operating the Weather Station it is important to completely set up the wiring and rest of the system in close proximity e g on a table 5ft 10ft from display and test all components for correct function before mounting them at their final destinations See Positioning below Allow all sensors to sit with the display unit for 15 minutes before mounting 1 First unwind the cables ...

Page 7: ...p 2 5 The transmitter reception icon is now blinking again to indicate that the station is trying to get the rain sensor data It will stop blinking once the rain sensor has been detected If this does not happen after 135 seconds you will need to start again from step 2 6 You should check the cable for correct connection and test all the components for correct functionality by manually turning the ...

Page 8: ...nstall the batteries from all the transmitters to redo set up procedure After batteries are installed there will be synchronization between Weather Center and the transmitters At this time the signal reception icon will be blinking When the signal is successfully received by the Weather Center the icon will be switched on If it is not successful the icon will not be shown The short blinking of the...

Page 9: ...s all units need to be reset by following the setting up procedures This is because the thermo hygro sensor at start up assigns a random security code and this code must be received and stored by the Weather Center in the first several minutes of power being supplied to it HOW TO INSTALL AND REPLACE THE BATTERIES INTO THE WEATHER STATION The Weather Station works with 3 x AA IEC LR6 1 5V batteries...

Page 10: ...lowing the setting up procedures This is because the transmitter and rain sensor optional assign a random security code at start up and these codes must be received and stored by the Weather Station in the first 90 seconds of power being supplied to it BATTERY CHANGE It is recommended to replace the batteries in all units regularly to ensure optimum accuracy of these units For battery life informa...

Page 11: ... is shown for 30 seconds Then it returns to the normal display Press to activate the reset mode when MAX or MIN record is shown key In display Mode 1 press to toggle between the display of date weekday date Indoor temp or second In display Mode 2 press to toggle between the display of Relative Pressure 24 hour rainfall and Total rainfall only if there is a rain sensor optional Press to adjust incr...

Page 12: ...er the last reception was successful ON icon or not OFF icon On the other hand the short blinking of the icon shows that a reception is being done at that time In normal display mode user may press the SET key to toggle between Mode1 and Mode 2 display Wind speed gust in mph km h m s Calendar indoor temperature seconds display Weather tendency Indicator Time display Outdoor relative humidity in We...

Page 13: ...d icon Outdoor temp icon Rel Air Pressure icon Wind gust icon Dew point icon In Mode 1 this reception icon is showing the condition of the reception of the signal from Thermo hygro transmitter In Mode 2 this reception icon is showing the condition of the reception of the signal from Rain sensor only if a rain sensor is being used Note if no rain sensor is used the reception icon will always be dis...

Page 14: ...e pressure reference value setting Weather tendency threshold value Storm warning threshold value LCD CONTRAST SETTING The LCD contrast has 8 levels from LCD 1 to LCD8 default setting is LCD 5 1 Press the SET key the contrast level digit will start flashing 2 Use the or MIN MAX key to adjust the level of contrast 3 Confirm with the SET key and enter the MANUAL TIME SETTING MANUAL TIME SETTING You ...

Page 15: ...et to 24h time display 1 Use the or MIN MAX key to toggle the value 2 Confirm with the SET key and enter the CALENDAR SETTING CALENDAR SETTING The date default of the Weather Station is 1 1 of year 2009 The date can be set manually by proceeding as follows 1 The year digit starts flashing 2 Use the or MIN MAX key to set the year pressing and holding the key will forward the digit by 5 The range ru...

Page 16: ...ilometer per hour or m s meter per second The default unit is mph 1 Use the or MIN MAX key to toggle between the unit mph km h or m s 2 Confirm with the SET key and enter the RAINFALL UNIT SETTING RAINFALL UNIT SETTING OPTIONAL Note the rain unit setting is only available if there is a rain sensor Skip this setting by pressing the SET key again to enter the Relative Air Pressure Unit Setting The t...

Page 17: ...tion above sea level Ask for the current atmospheric pressure of your home area Local weather service www calibrated instruments in public buildings airport The relative air pressure can be manually set to another value within the range of 27 14 to 31 90 inHg 919 to 1080 hPa for a better reference 1 The current relative pressure value will start flashing 2 Use the or MIN MAX key to increase or dec...

Page 18: ...shold value will start flashing 2 Use the or MIN MAX key to select the value 3 Confirm with the SET key and enter the STORM WARNING THRESHOLD VALUE SETTING STORM WARNING THRESHOLD VALUE SETTING You may also define a switching sensitivity value for the Storm warning display at a decrease of air pressure from 09 inHg to 27 inHg 3 9 hPa over 6 hours Default 0 15 inHg 5 hPa 1 The threshold value will ...

Page 19: ...layed in any of the following combinations For every sudden or significant change in the air pressure the weather icons will update accordingly to represent the change in weather If the icons do not change then it means either the air pressure has not changed or the change has been too slow for the Weather station to register However if the icon displayed is a sun or raining cloud there will be no...

Page 20: ... from the ground floor to the upper floors of a house discard the weather forecast for the next 48 60 hours By doing this the Weather Station will not mistake the new location as being a possible change in air pressure when really it is due to the slight change of altitude WEATHER TENDENCY INDICATOR Working together with the weather icons is the weather tendency indicators located on the left and ...

Page 21: ...measured pressure was compared to the previously recorded pressure reading The pressure change is expressed by the difference between the current 0h and the past readings in division of 2 hPa or 0 06 inHg If the bars are rising it indicates that the weather is getting better due to an increase in air pressure If the bars go down it indicates a drop of the air pressure and the weather is expected t...

Page 22: ...rainfall measurement is displayed in the last section of the LCD where pressure is normally displayed in the unit of mm or inch To View the 24 hour rainfall or the Total rainfall reading 1 In normal display press SET key once and the display will shift to Mode 2 2 Press key consecutively key to toggle between the 24 hour rainfall Total rainfall and Rel pressure reading Wind speed or Gust will be s...

Page 23: ... history records you shall manually set the current time as soon as installing batteries to the weather station Afterwards you should avoid changing the pre set time as it will also alter the recorded time of recording of each history record which may lead to confusion To view the weather history 1 In normal display press the HISTORY key The latest weather record will be shown with the date and ti...

Page 24: ...e will be exhibited in whole number no decimal place in the history record VIEW THE MAXIMUM MINIMUM WEATHER DATA The weather station will record the minimum and maximum value of the various weather data with time and date of recording automatically The following stored maximum and minimum weather data can be viewed by pressing the MIN MAX key in normal display mode 1 MIN outdoor temperature with t...

Page 25: ...int temperature 4 MAX dew point temperature 5 MIN outdoor humidity with the date and time of recording 6 MAX outdoor humidity with the date and time of recording MIN icon MIN Dew Point temp Time and date or recording MIN icon MIN outdoor humidity value Time and date or recording ...

Page 26: ...emperature with the date and time of recording 9 MIN Relative pressure with the date and time of recording 10 MAX Relative pressure with the date and time of recording MIN icon MIN wind chill value Time and date or recording MAX icon MAX relative pressure value Time and date or recording ...

Page 27: ... MAX wind speed with the date and time of recording 12 MAX Gust with the date and time of recording MAX icon MAX wind speed value Time and date or recording MAX icon MAX Gust value Time and date or recording ...

Page 28: ...con will appear at the bottom part of the LCD 3 Press the key once then the stored value will be reset to the current value and current time 4 Press the HISTORY key to return to normal display mode Total rainfall amount optional with the date and time of recording The total rainfall measurement is displayed in the last section of the LCD in the unit of mm or inch It shows the total rainfall accumu...

Page 29: ... and the transmitter will be displayed in the second section and the low battery icon for the rain sensor optional will be shown on the last section of the LCD respectively when the battery power is low It is recommended to replace the batteries in all units on an annual basis to ensure optimum accuracy of the system NOTE After battery change both the Weather Station and the transmitters need to b...

Page 30: ...t least 5 to 6 5 feet 1 5 to 2 meters away from any interfering sources such as computer monitors or TV sets 2 Avoid positioning the Weather Center onto or in the immediate proximity of metal doors or window frames 3 Using other electrical products such as headphones or speakers operating on the same signal frequency 915 MHz may prevent correct signal transmission and reception 4 Neighbors using e...

Page 31: ...e cables or connections may damage your sensors because phone cables and connections have more resistance than the La Crosse Technology extension cable Phone cables or connections are not recommended for use NOTE Using extension cables will shorten battery life Warning Never cut splice shorten or modify your sensor cables or extension cables Doing so may damage your sensors and will void your warr...

Page 32: ...tions Be sure to mount vertically To wall mount use the 2 screws to affix the wall bracket to the desired wall plug in the thermo hygro sensor to the bracket and secure both parts by the use of the supplied screw and ensure that the cable from the wind sensor is correctly plugged in otherwise data transmission errors could occur The Wind Sensor Wind cups Horizontal panel Rain Cover Main Unit Wall ...

Page 33: ...t use staples Using PVC pipe or metal as a mast may cause static Wood is recommended The Rain Sensor optional For best results the rain sensor should be securely mounted onto a horizontal surface about 39 37 1 meter above the ground or higher and in an open area away from trees or other coverings where rainfall may be reduced causing inaccurate readings When securing into place check that rain exc...

Page 34: ...pecial care shall be taken when handling a damaged LCD display The liquid crystals can be harmful to user s health Do not make any repair attempts to the unit Return them to their original point of purchase for repair by a qualified engineer Opening and tampering with the unit may invalidate their guarantee Never touch the exposed electronic circuitry of the device as there is danger of electric s...

Page 35: ... 1000mm for mm unit only the resolution is changed to 1mm Outdoor data reception Every 4 5 seconds from thermo hygro transmitter Every 6 25 seconds from rain sensor optional Air pressure checking interval Every 15 seconds Transmission range Up to 330 feet 100 meters in open space Power consumption Weather Center 3 x AA IEC LR6 1 5V Thermo hygro transmitter 2 x AA IEC LR6 1 5V Rain sensor optional ...

Page 36: ...cts purchased and used in North America and only to the original purchaser of this product To receive warranty service the purchaser must contact La Crosse Technology Ltd for problem determination and service procedures Warranty service can only be performed by a La Crosse Technology Ltd authorized service center The original dated bill of sale must be presented upon request as proof of purchase t...

Page 37: ... NOT TO BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC INFORMATION THIS PRODUCT IS NOT A TOY KEEP OUT OF CHILDREN S REACH This warranty gives you specific legal rights You may also have other rights specific to your State Some States do no allow the exclusion of consequential or incidental damages therefore the above exclusion of limitation may not apply to you For warranty work technical support or i...

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