La Crosse Technology Portable Radio TX31U IT User Manual

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QUICK SET UP MANUAL –  
PROFESSIONAL WEATHER CENTER  
Item:  
Consisting of:  
Fittings:  
Illustration:  
Base Station  
1) Main unit  
Using 915MHz wireless transmission of weather data, this unique weather station can  
be powered using batteries for all your weather needs in the home or office.  
INSTANT TRANSMISSION is the state-of-  
This product offers:  
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!)  
(every 6.5 seconds for rain!) of all your  
outdoor data measured from the  
transmitters: follow your climatic variations  
in real-time!  
Thermo-  
Hygro  
Sensor  
(TX31U-IT)  
1) Main unit  
2) Air Flow  
cover  
1) Wall mounting  
screws  
2) Plastic anchors  
for screws  
3) 2 x cable ties  
Wind Sensor  
(TX23U)  
1) Main unit  
with wind  
1) 1 x U-bolts for  
mast holder  
vane  
2) 32 ft cable  
(already  
2) 2 x Washers  
3) 2 x Nuts  
4) 2 x cable ties  
attached the  
main unit)  
3) Mast holder  
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2
Note:  
Rain Sensor  
(TX32U-IT)  
1) 2 x Screws  
and Plastic  
anchors  
1) Base and  
funnel  
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.  
SETTING UP:  
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. The cord should “click” into place.  
Wireless transmission  
at 915 MHz - thermo-  
hygro and rain sensor  
to the Weather Center  
Weather Center  
Sockets for wind sensor  
2.  
3.  
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).  
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  
Wind sensor  
Rain sensor  
Cable connection between the wind sensor and the thermo-hygro sensor  
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HOW TO INSTALL AND REPLACE THE BATTERIES INTO THE  
FUNCTION KEYS:  
WEATHER CENTER  
Weather Center:  
The Weather Center has 5 easy-to-use function keys.  
The Weather Center works with 3 x AA, IEC LR6, 1.5V  
Alkaline batteries. When the batteries need to be replaced,  
the low battery symbol will appear on the LCD. To install  
and replace the batteries, please follow the steps below:  
1.  
2.  
Remove the battery compartment cover.  
Insert the batteries observing the correct polarity  
(see the marking in the battery compartment).  
Replace the battery cover.  
SET  
key  
3.  
+ key  
HISTORY key  
BATTERY CHANGE:  
It is recommended to replace the batteries in all units every 24 months to ensure  
optimum accuracy of these units.  
ALARM key  
Please participate in the preservation of the environment. Return  
used batteries to an authorized depot.  
MIN/MAX key  
Note:  
The stored History record will not be kept after the battery change is done on the  
Weather Center.  
SET key  
Press and hold to enter manual setting modes: LCD contrast, Manual time  
setting, 12/24 hour time display, Calendar setting, ºF/ ºC temperature unit, Wind  
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speed unit, Rainfall unit, Pressure unit, Relative pressure reference setting,  
Weather tendency threshold setting, Storm warning threshold setting and Storm  
Alarm On/ Off setting  
Press to toggle between the display of Mode 1 or Mode 2:  
Mode 1: "Wind speed + outdoor temp + rel. pressure"  
Mode 2: "Gust + Dew Point temp + rainfall" If pressure is showing with wind  
gust, press the plus button to view 24 hour and total rain.  
(Mode 2 displayed will be shown for 30 seconds. Then it will return to normal  
display automatically.)  
In normal display mode, press and hold to switch on/ off the Buzzer  
In the weather alarm setting mode, press and hold to adjust different alarm  
value and switch the alarm On/ Off  
Press to activate the reset mode when max or min record is shown  
Stop the alarm during the time alarm or weather alarm ringing  
Press to exit manual setting mode and alarm setting mode  
ALARM key  
Press to enter the time alarm and weather alarm setting mode  
Confirm particular alarm setting  
Press to exit the manual setting mode  
Stop the alarm during the time alarm or weather alarm ringing  
Press to exit max/ min record display mode  
MIN/MAX key  
Press to display minimum and maximum records of various weather data  
Press to adjust (decrease) the level of different settings  
Stop the alarm during the time alarm or weather alarm ringing  
LCD SCREEN  
The LCD screen is split into 5 sections displaying the following information:  
+ key  
1.  
2.  
3.  
4.  
5.  
Time and date/ indoor temp/ second  
Wind data  
Outdoor temperature, Dew point and humidity,  
Air pressure, Rainfall data,  
In display Mode 1, press to toggle between the display of Preset alarm time,  
date, weekday + date, Indoor temp, or second in the time display  
In display mode 2, press to toggle between the display of Rel. Pressure, 24 hour  
rainfall and Total rainfall  
Press to adjust (increase) the level of different settings  
Stop the alarm during the time alarm or weather alarm ringing  
Press to confirm to reset the max/min record  
Air pressure history and Weather forecast icon.  
Press to reset the total rainfall amount to 0  
HISTORY key  
Press to display the weather data history records  
Stop the alarm during the time alarm or weather alarm ringing  
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* When the signal from the transmitter/ or Rain sensor is successfully received by the  
Weather Station, this icon will be switched on. (If not successful, the icon will not be  
shown on the LCD). User can therefore easily see whether 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.  
Time alarm icon  
Low battery Indicator (weather center)  
Time display  
Calendar display  
Buzzer off indicator  
*In normal display user may press the SET key shortly to toggle between Mode 1 and  
Mode 2 display:  
Wind direction display  
and wind speed in  
Beaufort scale  
Mode 1: Wind speed, outdoor temperature and relative pressure reading are shown.  
Wind speed icon  
Wind speed Hi  
alarm icon  
Wind Chill  
Wind speed or gust in  
mph, km/h or m/s  
in °F or °C  
Outdoor temperature  
or dew point  
In Mode 1, this  
reception icon is  
showing the  
Outdoor temp  
icon  
Outdoor relative  
humidity in %  
in °F or ºC  
condition of the  
reception of the  
signal from  
Thermo-hygro  
transmitter  
Outdoor temp.  
alarm icon  
Outdoor Humidity  
alarm icon  
Rel Pressure  
icon  
Relative air pressure  
display in inHg or  
hPa, or total and 24h  
rainfall display in inch  
Transmitter signal  
reception icon  
Weather tendency  
indicator  
or mm  
Air pressure  
Weather forecast  
icon  
histogram  
Low battery Indicator (rain sensor)  
Low battery Indicator (Thermo-hygro)  
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Mode 2 : Wind Gust, Dew Point temperature and Rainfall reading are shown.  
Storm warning threshold value  
Storm alarm On/ Off setting  
Wind gust icon  
LCD CONTRAST SETTING  
In Mode 2, this  
reception icon is  
Flashing  
Dew point icon  
showing the  
condition of the  
reception of the  
signal from Rain  
sensor  
The LCD contrast can be set within 8 levels, from "LCD 1" to "LCD 8" (default setting  
is LCD 5):  
Rainfall icon  
1.  
2.  
3.  
Press the SET key, the contrast level digit will start flashing.  
Use the + or MIN/MAX key to adjust the level of contrast.  
Confirm with the SET key and enter the MANUAL TIME SETTING.  
MANUAL TIME SETTING:  
MANUAL SETTING:  
The following manual settings can be changed once the SET key is pressed and hold  
for about 2 seconds:  
You then may manually set the time of the clock by following the steps below:  
Minutes flashing  
LCD contrast setting  
Manual time setting  
12/24 hour time display  
Calendar setting  
°F/ °C temperature unit setting  
Wind speed unit  
Hour  
flashing  
1.  
2.  
3.  
4.  
5.  
The hour digit will start flashing.  
Use the + or MIN/MAX key to set the hour.  
Press the SET key to switch to the minutes. The minute digit will start flashing.  
Use the + or MIN/MAX key to set the minute.  
Confirm the time with the SET key and enter the 12/24 HOUR TIME DISPLAY  
SETTING.  
Rainfall unit setting  
Air pressure unit setting  
Relative pressure reference value setting  
Weather tendency threshold value  
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6.  
7.  
Use the + or MIN/MAX key to set the date.  
Confirm all calendar settings with the SET key and enter the °F/°C  
12/24 HOUR TIME DISPLAY SETTING:  
TEMPERATURE UNIT SETTING.  
Digit flashing  
°F/°C TEMPERATURE UNIT 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:  
Flashing  
1.  
2.  
Use the + or MIN/MAX key to toggle the value.  
Confirm with the SET key and enter the CALENDAR SETTING.  
The temperature display can be selected to show temperature data in °F or °C.  
(default °F)  
CALENDAR SETTING:  
"Date. Month." (for 24h time display)  
"Month. Date." (for 12h time display)  
1.  
2.  
3.  
The temperature unit is flashing  
Use the + or MIN/MAX key to toggle between “°F” or “°C”.  
Confirm with the SET key and enter the WIND SPEED UNIT SETTING.  
Année  
WIND SPEED UNIT SETTING  
The date default of the Weather Center is 1. 1. of year 2005. The date can be set  
manually by proceeding as follows.  
Flashing  
1.  
2.  
The year digit starts flashing.  
Use the + or MIN/MAX key to set the year. The range runs from "00" (2000) to  
"99" (2099).  
Press the SET key to confirm the year and enter the month setting. The month  
digit will start flashing.  
The wind speed unit can be set as mph (mile per hour), km/h (kilometer per hour), or  
m/s (meter per second). The default unit is mph.  
1.  
2.  
Use the + or MIN/MAX key to toggle between the unit “mph”, “km/h” or “m/s”  
Confirm with the SET key and enter the RAINFALL UNIT SETTING.  
3.  
4.  
5.  
Use the + or MIN/MAX key to set the month.  
Press the SET key to confirm the month and enter the date setting mode. The  
date digit will start flashing.  
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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.  
RAINFALL UNIT SETTING  
Flashing  
The rainfall unit can be set as inch or mm. The default unit is mm.  
Flashing  
1.  
2.  
Use the + or MIN/MAX key to toggle between the unit “inch” or “mm”  
Confirm the unit with the SET key and enter the RELATIVE AIR PRESSURE  
UNIT SETTING  
1.  
2.  
The current relative pressure value will start flashing  
Use the + or MIN/MAX key to increase or decrease the value. Continually  
holding the key will allow the value to increase faster.  
Confirm with the SET key and enter the WEATHER TENDENCY SENSITIVITY  
VALUE SETTING.  
RELATIVE AIR PRESSURE UNIT SETTING  
3.  
Note:  
Flashing  
The relative air pressure can be set as inHg or hPa. The default unit is inHg.  
This feature is useful for those who live at elevations above sea level, but want their  
air pressure display to be based on sea level elevation.  
WEATHER TENDENCY SENSITIVITY LEVEL SETTING  
1.  
2.  
Use the + or MIN/MAX key to toggle between the unit “inHg" or “hPa”  
Confirm the unit with the SET key and enter the RELATIVE PRESSURE  
REFERENCE VALUE SETTING.  
Flashing  
RELATIVE PRESSURE REFERENCE VALUE SETTING  
Note:  
Flashing  
The default reference pressure value of the barometer is 29.91inHg when batteries  
are first inserted. For an exact measurement, it is necessary to first adjust the  
barometer to your local relative air pressure (related to elevation above sea  
level). Ask for the current atmospheric pressure of your home area (Local weather  
service, www, optician, calibrated instruments in public buildings, airport).  
You may select a definite switching sensitivity value, .06, .09, or .12 inHg 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).  
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The default value is 0.09 inHg. Select lower numbers in high humidity areas, i.e.  
Oceanside. Select high numbers in arid areas, i.e. Desert.  
3.  
Confirm with the SET key and the normal display mode will be shown.  
1.  
2.  
3.  
The sensitivity value will start flashing  
Flashing  
Use the + or MIN/MAX key to select the value.  
Confirm with the SET key and enter the STORM WARNING SENSITIVITY  
SETTING.  
Note:  
In case a storm warning alarm is activated, the downward weather tendency arrow will  
be flashing. (Also see WEATHER TENDENCY INDICATOR below)  
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 over 6 hours (Default 0.15 inHg).  
TO EXIT THE MANUAL SETTING MODE  
To exit the manual setting anytime during the manual setting modes, press the  
ALARM key (or HISTORY key) or wait for the automatic timeout. The mode will return  
to the normal time display.  
Flashing  
Flashing  
TIME ALARM SETTING  
The alarm time can be set by the use of the ALARM and SET key.  
1.  
Press the ALARM key once. The “ALARM” icon and time digits are shown at the  
1.  
2.  
3.  
The sensitivity value will start flashing.  
Use the + or MIN/MAX key to select the value.  
Confirm with the SET key and enter the STORM ALARM ON/OFF SETTING.  
top right of the LCD.  
Alarm time digit  
STORM ALARM ON/ OFF SETTING  
You may also choose to switch On or Off the acoustic Storm warning alarm (Default  
OFF).  
Alarm-On icon  
1.  
2.  
The digit "AOF" will start flashing.  
Use the + or MIN/MAX key to switch On or Off the alarm. ("AOF" = OFF; "AON"  
= On)  
2.  
Press and hold the SET key for about 2 seconds. The hour digit of the alarm  
time will start flashing. Press the + or MIN/MAX key to set the hour of the alarm  
time.  
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3.  
4.  
Press the SET key to confirm and advance to the minute setting. The minute  
digit will be flashing.  
Important: Ensure all signals can be received and/or all cable distances meet with  
your requirements at the point of fixing particularly before you start drilling any  
mounting holes.  
Press the + or MIN/MAX key to set the minute of the alarm time. Press the  
ALARM key to confirm. Press the HISTORY key or wait for about 30 seconds  
and the display will return to normal display mode automatically.  
In the normal display mode, press the ALARM once key to go to the time alarm  
setting mode again. Then press shortly the SET key to switch on or off the time  
alarm. (The showing of the icon ((())) means that the time alarm is switched on.)  
Press the HISTORY key or wait for about 30 seconds and the display will return  
to normal display mode automatically.  
Wind sensor  
5.  
Secure the main unit to the shaft of the mast holder using the single screw provided  
with the front of the sensor (marked E) facing in the East-West direction otherwise  
wind direction will not be accurate. Now fix the entire unit to a suitable mast using the  
U-bolt, washers and nuts found in this set.  
6.  
Note: For best results mount the wind sensor onto a mast to allow the wind to freely  
travel from all directions to enable an accurate reading (ideal mast size should be  
from Ø 5/8” to 11/4”). Ensure that the cable of the wind sensor meets your distance  
requirements  
Note:  
The alarm ringing duration is 2 minutes. To stop the alarm, press any key during the  
alarm ringing.  
Rain sensor  
Important Note:  
The rain sensor should be mounted horizontally about 2-3ft off from the ground (or  
higher) in an open area away from trees or other coverings to allow rain to fall  
naturally for an accurate reading.  
After you have followed the aforementioned set-up procedures, you shall read the  
main manual for the following important functions of the weather station in details:  
Setting Weather alarm  
Viewing wind/ rainfall and air pressure data  
Viewing Max/ Max weather data  
Viewing History data record  
Note: For best results ensure the base is horizontal to allow maximum drainage of  
any collected rain  
Thermo-hygro Sensor  
Mounting the units:  
To wall mount the thermo-hygro sensor, fix the wall holder onto the desired wall (2  
screws are supplied), plug the sensor firmly into the wall holder and then carefully  
replace the rain cover back over the thermo-hygro sensor.  
Using 915MHz wireless transmission gives users little restriction on placement as that  
all units can be positioned virtually anywhere to within a 330 ft radius of the base  
station. Please ensure that the cable included in this set meets with your distance  
requirements (see accessories in the main user manual for adding extension cables).  
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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 address only.  
Note: After mounting the units, should the weather data not be received, user may  
need to remove the batteries from all units and redo the set-up procedures after about  
5 minutes.  
Your La Crosse Technology, Ltd warranty covers all defects in material and  
workmanship with the following specified exceptions: (1) damage caused by accident,  
unreasonable use or neglect (including the lack of reasonable and necessary  
maintenance); (2) damage occurring during shipment (claims must be presented to  
the carrier); (3) damage to, or deterioration of, any accessory or decorative surface; (4)  
damage resulting from failure to follow instructions contained in your owner’s manual;  
(5) damage resulting from the performance of repairs or alterations by someone other  
than an authorized La Crosse Technology, Ltd authorized service center; (6) units  
used for other than home use (7) applications and uses that this product was not  
intended or (8) the products inability to receive a signal due to any source of  
interference.  
WARRANTY INFORMATION  
La Crosse Technology, Ltd provides a 1-year limited warranty on this product against  
manufacturing defects in materials and workmanship.  
This limited warranty begins on the original date of purchase, is valid only on products  
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 to  
La Crosse Technology, Ltd or La Crosse Technology, Ltd’s authorized service center.  
La Crosse Technology, Ltd will repair or replace this product, at our option and at no  
charge as stipulated herein, with new or reconditioned parts or products if found to be  
defective during the limited warranty period specified above. All replaced parts and  
products become the property of La Crosse Technology, Ltd and must be returned to  
La Crosse Technology, Ltd.  
This warranty covers only actual defects within the product itself, and does not cover  
the cost of installation or removal from a fixed installation, normal set-up or  
adjustments, claims based on misrepresentation by the seller or performance  
variations resulting from installation-related circumstances.  
LA CROSSE TECHNOLOGY, LTD WILL NOT ASSUME LIABILITY FOR  
INCIDENTAL, CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES  
ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS PRODUCT.  
THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR  
PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP OUT OF  
CHILDREN’S REACH.  
Replacement parts and products assume the remaining original warranty, or ninety  
(90) days, whichever is longer. La Crosse Technology, Ltd will pay all expenses for  
labor and materials for all repairs covered by this warranty. If necessary repairs are  
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.  
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This handbook may contain mistakes and printing errors. The information in this handbook is  
regularly checked and corrections made in the next issue. We accept no liability for technical  
mistakes or printing errors, or their consequences.  
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.  
All trademarks and patents are acknowledged.  
For warranty work, technical support, or information contact:  
La Crosse Technology, Ltd  
2809 Losey Blvd. S.  
La Crosse, WI 54601  
Phone: 608.782.1610  
Fax: 608.796.1020  
e-mail:  
(warranty work)  
(information on other products)  
web:  
For more information, please visit:  
All rights reserved. This handbook must not be reproduced in any form, even in excerpts, or  
duplicated or processed using electronic, mechanical or chemical procedures without written  
permission of the publisher.  
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