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PROFESSIONAL WEATHER CENTER 

WS-1515U-IT

 

Instruction Manual 

 
 

Table of Contents 

Topic Page 

Features 3 

Setting up 

Function keys 

12 

LCD Screen 

14 

Manual Setting 

16 

Time alarm setting 

24 

Weather alarm operations 

25 

Hysteresis 31 

Weather forecast and weather tendency  

32 

Wind direction and wind speed measurement 

36 

Rainfall measurement 

37 

Viewing history data 

37 

Viewing the min/ max weather data 

39 

Switch On/ Off buzzer 

46 

Outdoor transmission 915 MHz reception 

48 

Positioning 49 

Care and Maintenance 

53 

Specification 54 

Warranty Info 

57 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

73 

 

Congratulations on purchasing this state-of-the-art Professional Weather 
Center as an example of excellent design and innovative technology. 
Featuring time, date, calendar, weather forecast, wind direction and speed, 
rainfall, indoor temperature, outdoor temperature and outdoor humidity, air 
pressure and various alarm settings for different weather conditions, this 
Weather Center will provide you with extensive weather information and 
forecast.  
 
 
 
 
 
 
 
 
 
 
 

 
FEATURES: 

 

Weather Center 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Time display (manual setting) 

 

12/24 hour time display 

 

Calendar display (weekday, date, month, year) 

 

Time alarm function 

 

Weather forecasting function with 3 weather icons and weather 
tendency indicator  

 

Dew point display in ºF/°C 

 

Outdoor temperature display in ºF/°C 

 

Outdoor Humidity display as RH% 

 

MIN/MAX value of outdoor temperature and humidity display with 
time & date of recording 

 

Indoor temperature display in ºF/°C 

 

Display MIN/MAX value of outdoor temperature, outdoor humidity, 
dew point, wind chill and relative pressure with time and date of 
recording 

INSTANT TRANSMISSION is the state-
of-the-art new wireless transmission 
technology, exclusively designed and 
developed by     LA CROSSE 
TECHNOLOGY. INSTANT 
TRANSMISSION

 

offers you an 

immediate update (every 4.5 seconds!) 
(6.5 SECONDS FOR RAIN) of all your 
outdoor data measured from the 
transmitters: follow your climatic 

This product offers: 

Function 
keys 

LCD

Stand 

Battery 
compartment 

Hanging hole 

Function keys 

 

74 

 

 

Low/High outdoor temperature and humidity alarm 

 

Relative air pressure displayed in inHg or hPa 

 

Air pressure tendency indicator for the past 12 hours (bar graph 
format) 

 

LCD contrast selectable 

 

Low battery indicator 

 

Wind direction displayed in 16 steps 

 

Wind speed and gust displayed in mph, km/h, or m/s, and Beaufort 
scale 

 

Wind chill displayed in 

°

F of 

°

 

High alarm function for wind speed 

 

Manual reset of outdoor temperature, outdoor humidity, dew point, 
wind chill, pressure, wind speed, gust, and 24h rainfall 

 

24h rainfall display in inch or mm 

 

Total rainfall display in inch or mm 

 

Storm warning alarm 

 

Buzzer on/off selectable 

 

Storage of 140 sets of history weather data recorded in 3-hour 
intervals 

 

Wireless transmission at 915 MHz 

 

Transmission range up to 330 feet (100 meters) 

 

Back –light? (To be confirmed by LCU) 

 

Thermo-hygro Sensor 

 

Remote transmission of the outdoor temperature 
and humidity to the Weather Center at 915 MHz 

 

Weather-resistant casing 

 

Wall mounting case (to be mounted in a sheltered 
place. Avoid direct rain and sunshine) 

 
 
 
 
 

Wind Sensor 

 

 

Connected to the thermo-hygro sensor 
by cable 

 

Can be installed onto a mast or a 
horizontal panel 

 
 
 

 
Rain Sensor 

 

Remote transmission of the rainfall 
data to the Weather Center at 915 MHz

 

 

To be mounted onto a horizontal panel

 

 
 
 
 

 

 
 
 
 

 

75 

 

Cable connection between the wind 
sensor and the thermo-hygro sensor 

Wireless transmission 

at 915 MHz - thermo-

hygro and rain sensor 

to the Weather Center

Weather Center 

Wind sensor 

Rain sensor

Sockets for wind sensor 

 
SETTING UP: 

 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Note:
 

When putting the Weather Center into operation, it is important to perform 
in close proximity (e.g. on a table) a complete wiring and set-up of the 
system. This step is important to test all components for correct function 
before placing and mounting them at their final destinations (See 

Positioning

 below) Spin the wind vane and tip the rain gauge to test. 

1. 

Unwind the cables of the Wind sensor. Connect the Wind sensor to 
the Thermo-hygro transmitter by plugging the connector head into the 
socket of the Thermo-hygro sensor. 

 
 
 
 
 
 
 
 
 
 
 
 

 

2. 

First insert the batteries into the Thermo-hygro sensor and Rain 
sensor “

How to install and replace the batteries into the Thermo-

hygro sensor

“ and “

How to install and replace the batteries into 

the Rain sensor

” below). 

3. 

Then insert the batteries into the Weather Center (see “

How to 

install and replace the batteries into the Weather Center

 

below

)

Once the batteries are installed, all segments of the LCD will light up 
briefly and a short signal tone will be heard. It will then display the 
time as 00:00, the date as 1.1.05, the weather icons, and air pressure 
value. "- - -" will be shown for outdoor data. 

Summary of Contents for WS-1515U-IT

Page 1: ...n displayed in 16 steps Wind speed and gust displayed in mph km h or m s and Beaufort scale Wind chill displayed in F of C High alarm function for wind speed Manual reset of outdoor temperature outdoor humidity dew point wind chill pressure wind speed gust and 24h rainfall 24h rainfall display in inch or mm Total rainfall display in inch or mm Storm warning alarm Buzzer on off selectable Storage o...

Page 2: ...eset by following the setting up procedures This is because a random security code is assigned by the thermo hygro sensor at start up 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 RAIN SENSOR The rain sensor works with 2 x AAA IEC LR3 1 5V batteries To install and replace ...

Page 3: ...the minute 5 Confirm the time with the SET key and enter the 12 24 HOUR TIME DISPLAY SETTING 12 24 HOUR TIME DISPLAY SETTING The time can be set to view as 12 hour or 24 hour format The default time display mode is 12 h To set to 24 h 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 ...

Page 4: ...SET key for about 2 seconds The temperature digit will start flashing Press the or MIN MAX key to set the high outdoor temp alarm value Keep holding the key will allow the value to increase faster 3 Press the ALARM key to confirm the setting The digit will stop flashing Press the SET key to switch on or off the alarm The showing of the icon y means that the alarm is switched on 4 Press the ALARM k...

Page 5: ...tory of the past 12 hours in five 3 hour steps The horizontal axis represents the last 12 hours air pressure recording 12 9 6 3 and 0 hour The bars are plotted at each of the 5 steps and give the trend over the recorded period The scale on the right compares the result The 0 in the middle of this scale determines the current air pressure The vertical axis represents the air pressure changes in inH...

Page 6: ...normal display mode 14 Total rainfall amount The total rainfall measurement is displayed in the fourth section of the LCD in the unit of mm or inch It shows the total rainfall accumulated since last reset of the weather station In normal display mode press the MIN MAX key fourteen times to show the total rainfall value The RESET icon will also be shown at the same time MAX icon MAX wind gust value...

Page 7: ... hygro sensor to the bracket and secure both parts by the use of the supplied screw and ensure that the cables from the wind and rain sensors are correctly plugged in otherwise data transmission errors could occur Rain Cover Main nit Wall Bracket 98 The Wind Sensor Firstly check that the wind cups and the wind vane can rotate freely before fixing the unit For correct and accurate readings it is im...

Page 8: ...re not covered by this warranty or if a product is examined which is not in need or repair you will be charged for the repairs or examination The owner must pay any shipping charges incurred in getting your La Crosse Technology Ltd product to a La Crosse Technology Ltd authorized service center La Crosse Technology Ltd will pay ground return shipping charges to the owner of the product to a USA ad...

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