La Crosse Technology Portable Radio WS 1612 User Manual

PROFESSIONAL WEATHER CENTER  
WS-1612  
Operation Manual  
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PROFESSIONAL WEATHER CENTER  
Instruction Manual  
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, 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.  
INSTANT TRANSMISSION is the  
state-of-the-art new wireless  
This product offers:  
transmission technology, exclusively  
designed and developed by LA  
CROSSE TECHNOLOGY. INSTANT  
TRANSMISSION offers you an  
immediate update (every 4.5  
seconds!) of all your outdoor data  
measured from the sensors: follow  
your climatic variations in real-time!  
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FEATURES:  
Weather Center  
Hanging hole  
Foldout stand  
LCD  
Battery  
compartment  
cover  
Function keys  
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  
Outdoor temperature display in ºF/°C  
Outdoor Humidity display as RH%  
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MIN/MAX value of outdoor temperature and humidity display with time & date  
of recording  
Low/High outdoor temperature and humidity alarm  
Relative air pressure displayed in inHg or hPa  
Air pressure tendency indicator for the past 12 hours (bargraph format)  
LCD contrast selectable  
Low battery indicator  
Wind direction displayed in 16 steps  
Wind speed displayed in mph, km/h, or m/s, and Beaufort scale  
Wind chill displayed in °F of °C  
Max wind speed displayed with time & date of recording  
High alarm function for wind speed  
Manual reset of outdoor temperature/ humidity, pressure and wind chill data  
Total rainfall displayed in mm or inch  
Storm warning alarm  
Buzzer on/off selectable  
Storage of 200 sets of history weather data recorded in 3-hour intervals  
Wireless transmission at 915 MHz  
Transmission range up to 330 feet (100 meters)  
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)  
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Wind Sensor  
Connected to the thermo-hygro sensor by cable  
Can be installed onto a mast or a horizontal panel  
Rain Sensor  
Connected to the thermo-hygro sensor by cable  
To be mounted onto a horizontal panel  
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SETTING UP:  
Wireless transmission at  
915 MHz - thermo-hygro  
sensor to the Weather  
Center  
Weather Center  
Rain Sensor  
Wind Sensor  
Cable connection between  
the wind sensor and the  
thermo-hygro sensor  
Cable connection between  
the rain sensor and the  
thermo-hygro sensor  
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  
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important to test all components for correct function before placing and mounting them  
at their final destinations (See Positioning below)  
1.  
Unwind the cables of the rain and the wind sensors. Connect the rain and the  
wind sensors to the thermo-hygro sensor by plugging the connector heads of  
the two sensors into the appropriate sockets of the thermo-hygro sensor.  
Sockets for wind  
and rain sensor  
2.  
3.  
First insert the batteries into the thermo-hygro sensor (see “How to install and  
replace the batteries into the thermo-hygro 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 be heard. It will then display the time as 12:00, the date as 1.1.05, the  
weather icons, and air pressure value. "- - -" will be shown for outdoor data.  
Afterwards, the Weather Center will start receiving data from the sensor. The  
outdoor temperature, humidity wind chill and wind speed should then be  
4.  
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displayed on the Weather Center. If this does not happen after 30 seconds, the  
batteries will need to be removed from both units. You will have to start again  
from step 1.  
5.  
You may then check all cables for correct connection and all components for  
correct function by manually turning the wind-gauge, moving the weather-vane,  
tilting the rain sensor to hear the impact of the internally moving seesaw, etc  
(See Positioning below).  
6.  
7.  
Time and date shall be manually set (See Manual Setting below).  
After the Weather Center has been checked for correct function with regard to  
the above points and found fit, the initial set up of the Weather Center system  
is finished and the mounting of the system components can take place. It must  
be verified, however, that all components work properly together at their  
chosen mounting or standing locations. If e.g. there appear to be problems with  
the 915 MHz radio transmission, they can mostly be overcome by slightly  
changing the mounting locations.  
Note:  
The radio communication between the receiver and the sensor in the open field  
reaches distances of max 330 feet, provided there are no interfering obstacles such  
as buildings, trees, vehicles, high voltage lines, etc.  
8.  
Radio interferences created by PC screens, radios or TV sets can in some  
cases entirely cut off radio communication. Please take this into consideration  
when choosing standing or mounting locations.  
Note:  
The thermo-hygro sensor should be placed in a dry, shaded area. The temperature  
sensor has a range of 330 feet. Keep in mind that the 330 feet is in open air with no  
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obstructions and that radio waves DO NOT curve around objects. Actual transmission  
range will vary depending on what is in the path of the signal. Each obstruction (roof,  
walls, floors, ceilings, thick trees, etc.) will effectively cut signal range in half.  
Example: A Professional Weather Center with a 330 feet range is mounted on an  
interior wall, so that the signal has to pass through one interior wall, one exterior wall,  
and across the 10 feet width of the room between the 2 walls. The first wall will  
reduce the range to 165 feet, and the second wall will reduce the range to 87 feet.  
Factoring in the 10 foot room, this leaves a maximum of 77 feet of remaining signal  
range.  
This allowance is typically enough for a frame wall with non-metallic siding; however  
certain materials can reduce range even further. Metal siding, stucco, and some  
types of glass can reduce signal range by as much as ¾ or more, compared to the ½  
reduction typical of most obstructions. It is possible to receive a signal through these  
materials, however maximum range will be much less due to their tendency to absorb  
or reflect a much larger portion of the sensor’s signal  
.
Note :  
After batteries are installed in the sensor, install the batteries in the Weather  
Center to receive the signal from the sensor as soon as possible. If the  
Weather Center is powered more than 5 hours after the sensor is powered, the  
Weather Center will never receive signal successfully from this sensor. In this  
case, user will need to reinstall the batteries from the sensor to redo set-up  
procedure.  
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After batteries are installed, there will be synchronization between Weather  
Center and the sensor. 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 in LCD) So  
the user can easily see whether the last reception was successful (icon on) or  
not (icon off). On the other hand, the short blinking of the icon shows that a  
reception is in progress.  
Sensor signal reception  
icon  
If the signal reception is not successful on the first frequency (915MHz) for 14  
seconds, the frequency is changed to 920MHz and the learning is tried another  
14 seconds. If still not successful the reception is tried for 14 seconds on  
910MHz. This will also be done for re-synchronization.  
HOW TO INSTALL AND REPLACE THE BATTERIES INTO THE WEATHER  
CENTER  
The Weather Center works with 3 x AA, IEC LR6, 1.5V 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:  
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1.  
2.  
Remove the battery compartment cover.  
Insert the batteries observing the correct  
polarity (see the marking in the battery  
compartment).  
3.  
Replace the battery cover.  
HOW TO INSTALL AND REPLACE THE  
BATTERIES INTO THE THERMO-HYGRO SENSOR  
The outdoor thermo-hygro sensor works with 2 x “AA”,  
IEC LR6 1.5V batteries. To install and replace the  
batteries, please follow the steps below:  
1.  
2.  
3.  
Uninstall the rain cover of the sensor.  
Remover the battery compartment cover.  
Insert the batteries, observing the correct polarity (see  
the marking in the battery compartment).  
Replace the battery cover and the rain cover onto the  
unit.  
4.  
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Note:  
In the event of changing batteries in any of the units, all units need to be reset 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 30 seconds of power being supplied to it.  
BATTERY CHANGE:  
It is recommended to replace the batteries in all units every 24 months to ensure  
optimum accuracy of these units.  
Please participate in the preservation of the environment. Return  
used batteries to an authorized depot.  
Note:  
The stored History record will not be kept after the battery change is done on the  
Weather Center.  
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FUNCTION KEYS:  
Weather Center:  
The Weather Center has 5 easy-to-use function keys.  
HISTORY key  
Set key  
MIN/MAX key  
+ key  
ALARM key  
SET key  
Press to enter manual setting modes: LCD contrast, Manual time setting, 12/24  
hour time display, Calendar setting, ºF/ºC temperature unit, Wind speed unit,  
Rainfall unit, Pressure unit, Relative pressure reference setting, Weather  
Tendency Sensitivity Value setting, Storm warning sensitivity setting and Storm  
Alarm On/Off setting  
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  
To switch on the backlight  
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+ key  
Press to change the calendar display to the preset alarm time, date, weekday +  
date or seconds in the time display  
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  
To switch on the backlight  
HISTORY key  
Press to display the weather data history records  
Stop the alarm during the time alarm or weather alarm ringing  
Press to exit manual setting mode and alarm setting mode  
To switch on the backlight  
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  
To switch on the backlight  
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  
To switch on the backlight  
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Note: The LED backlight will be on and last for 15 seconds for every simple key-  
press. The LED will keep lighting when the key is "pressed and held".  
LCD SCREEN  
The LCD screen is split into 5 sections displaying the following information:  
1.  
2.  
3.  
4.  
5.  
Time and date  
Wind data  
Outdoor temperature and humidity,  
Air pressure and Rainfall data  
Air pressure history and Weather forecast.  
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Low battery  
indicator  
Time alarm icon  
Time display  
Calendar display  
Buzzer off indicator  
Wind direction display and  
wind speed in Beaufort  
scale  
Wind speed Hi/ Lo alarm  
icon  
Wind Chill in °F or °C  
Wind speed in mph, km/h  
or m/s  
Outdoor relative  
humidity in %  
Outdoor temperature  
in °F or ºC  
Outdoor temp.  
alarm icon  
Outdoor Humidity  
alarm icon  
Relative air pressure  
display in inHg or hPa  
Total rainfall in inch or mm  
Weather tendency  
indicator  
Air pressure  
histogram  
Weather forecast  
TX  
icon  
Sensor signal reception  
icon  
Sensor low battery  
indicator  
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MANUAL SETTING:  
The following manual settings can be changed once the SET key is pressed:  
LCD contrast setting  
Manual time setting  
12/24 hour time display  
Calendar setting  
°F/ °C temperature unit setting  
Wind speed unit  
Rainfall unit setting  
Air pressure unit setting  
Relative pressure reference value setting  
Weather Tendency Sensitivity value  
Storm warning threshold value  
Alarm On/ Off setting  
LCD CONTRAST SETTING  
Digit flashing  
The LCD contrast can be set within 8 levels, from "LCD 1" to "LCD8" (default setting is  
LCD 5):  
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.  
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MANUAL TIME SETTING:  
You then may manually set the time of the clock by following the steps below:  
Minutes flashing  
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.  
12/24 HOUR TIME DISPLAY SETTING:  
Digit flashing  
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.  
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2.  
Confirm with the SET key and enter the CALENDAR SETTING.  
CALENDAR SETTING:  
"Date. Month." (for 24h time display)  
"Month. Date." (for 12h time display)  
Year  
The date default of the Weather Center is 1. 1. of year 2005. The date can be set  
manually by proceeding as follows.  
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).  
3.  
Press the SET key to confirm the year and enter the month setting. The month  
digit will start flashing.  
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.  
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  
TEMPERATURE UNIT SETTING.  
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°F/°C TEMPERATURE UNIT SETTING  
Flashing  
The temperature display can be selected to show temperature data in °F or °C.  
(default °F)  
1.  
2.  
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  
WIND SPEED UNIT SETTING  
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.  
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RAINFALL UNIT SETTING  
Flashing  
The total rainfall unit can be set as inch or mm. The default unit is inch.  
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  
RELATIVE AIR PRESSURE UNIT SETTING  
Flashing  
The relative air pressure can be set as inHg or hPa. The default unit is inHg.  
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.  
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RELATIVE PRESSURE REFERENCE VALUE SETTING  
Note:  
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).  
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.  
Flashing  
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.  
3.  
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Note:  
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  
Flashing  
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).  
The default value is 0.09 inHg.  
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 WARNING SENSITIVITY  
SETTING.  
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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).  
Flashing  
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.  
STORM ALARM ON/ OFF SETTING  
You may also choose to switch On or Off the acoustic storm warning alarm (Default  
OFF).  
1.  
2.  
3.  
The digit "AOF" will start flashing.  
Use the + key to switch On or Off the alarm. ("AOF" = OFF; "AON" = On)  
Confirm with the SET key and the normal display mode will be shown.  
Flashing  
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Note:  
In case a storm warning alarm is activated, the downward weather tendency arrow will  
be flashing. (Also see WEATHER TENDENCY INDICATOR below)  
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.  
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  
top right of the LCD.  
Alarm time  
digit  
Alarm-On icon  
2.  
3.  
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.  
Press the SET key to confirm and advance to the minute setting. The minute  
digit will be flashing.  
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4.  
5.  
Press the + or MIN/MAX key to set the minute of the alarm time. Press the  
ALARM key to confirm. 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 (((y))) 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.  
6.  
Note:  
The alarm ringing duration is 2 minutes. To stop the alarm, press any key during the  
alarm ringing.  
WEATHER ALARM OPERATIONS  
The weather alarms can be set when certain weather conditions are met according to  
your requirements. For example, you can set the thresholds for the outdoor  
temperature to +104°F (high) and 14°F (low), while only enabling the high alarm and  
disabling the low alarm (i.e. temperatures <14°F won’t trigger alarm, but temperatures  
>+104°F will).  
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High wind  
speed Alarm-  
On icon  
Outdoor temp  
Alarm-On icon  
Outdoor humidity  
Alarm-On icon  
The Weather Center can be set to alert when a specific weather condition is reached.  
The following Weather Alarm settings can be adjusted in the ALARM setting  
mode.  
High outdoor temperature alarm  
Low outdoor temperature alarm  
High outdoor humidity alarm  
Low outdoor humidity alarm  
High wind speed alarm  
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Default alarm values:  
Low  
32°F  
104°F  
45%  
70%  
62.0mph  
Temperature  
High  
Low  
High  
High  
Relative  
Humidity  
Wind speed  
HIGH AND LOW OUTDOOR TEMPERATURE ALARM SETTING  
Note:  
The High and Low outdoor temperature alarm can be set On/Off independently,  
according to your needs.  
Set the Outdoor temperature alarm value (High or Low alarm value) :  
1.  
In the normal display mode, press the ALARM key twice. The High Outdoor  
Temperature alarm display will be shown.  
High alarm  
icon  
Alarm-On  
icon  
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2.  
3.  
Press and hold the 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.)  
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.  
5.  
Press the ALARM key once. The Low Outdoor Temperature alarm display will  
be shown.  
Press and hold the SET key for about 2 seconds. The temperature digit will  
start flashing. Press the + or MIN/MAX key to set the low outdoor temp alarm  
value. (Keep holding the key will allow the value to increase faster.)  
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.)  
6.  
7.  
Press the HISTORY key or wait for about 30 seconds and the display will  
return to normal display mode automatically.  
In case the temperature value meets the condition for high alarm or low alarm, the  
value will be blinking, along with the corresponding icon ("HI AL"/ "LO AL").  
And the buzzer will ring for 2 minutes. User then may press any key to stop the ring.  
User may quit the alarm setting and return to the normal display mode by pressing the  
HISTORY key.  
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HIGH AND LOW OUTDOOR HUMIDITY ALARM SETTING  
Note:  
The High and Low outdoor humidity alarm can be set On/Off independently according  
to your needs.  
Set the Outdoor temperature alarm value (High or Low alarm value):  
1.  
In the normal display mode, press the ALARM key 4 times. The High Outdoor  
Humidity alarm display will be shown.  
2.  
3.  
Press and hold the SET key for about 2 seconds. The humidity digit will start  
flashing. Press the + or MIN/MAX key to set the high outdoor humidity alarm  
value.  
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.  
5.  
Press the ALARM key once. The Low Outdoor humidity alarm display will be  
shown.  
Press and hold the SET key for about 2 seconds. The humidity digit will start  
flashing. Press the + or MIN/MAX key to set the low outdoor humidity alarm  
value.  
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6.  
7.  
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.)  
Press the HISTORY key or wait for about 30 seconds and the display will  
return to normal display mode automatically.  
In case the humidity value meets the condition for high alarm or low alarm, the value  
will be blinking, along with the corresponding icon ("HI AL"/ "LO AL"). And the buzzer  
will ring for 2 minutes. User may press any key to stop the sound.  
WIND SPEED ALARM SETTING  
The high wind speed alarm can be set by following the steps below.  
1.  
In the normal display mode, press the ALARM key six times. The High wind  
speed alarm display will be shown.  
2.  
3.  
Press and hold the SET key for about 2 seconds. The wind speed digit will start  
flashing. Press the + or MIN/MAX key to set the high wind speed alarm value.  
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.)  
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4.  
Press the ALARM key once to return to the normal display mode.  
In case the wind speed exceeds the condition for high wind speed alarm, the value  
will be flashing, along with the corresponding high alarm icon ("HI AL"). And the  
buzzer will ring for 2 minutes. User may press any key to stop the sound.  
HYSTERESIS  
To compensate for fluctuation of the measured data, which may cause the weather  
alarm to sound constantly if the measured reading is close to your set level, a  
hysteresis function has been implemented for each weather alarm. For example, if the  
high temperature alarm is set to +77°F and the current value moves to +77°F, the  
alarm will be activated (if it has been enabled). Now when the temperature drops to  
+76.8°F or below and thereafter again increases to beyond +77°F, the data will be  
blinking, but no alarm will be activated. It has to drop to below +75.2°F (with a pre-set  
hysteresis of 1.8°F) so that the alarm can be produced again. Hysteresis values for  
the various weather data types are given in the following table:  
Weather data  
Temperature  
Humidity  
Hysteresis  
1.8°F  
3% RH  
Wind speed  
3.1 mph  
Note:  
The temperature or humidity data will keep on flashing even after a key has been  
pressed to stop the alarm or buzzer has been switched off, to indicate that the current  
weather condition is out of the pre-set limit(s)  
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WEATHER FORECAST AND WEATHER TENDENCY  
WEATHER FORECASTING ICONS:  
Weather forecasting icons is displayed in any of the following combinations at the right  
bottom part of LCD:  
TENDENCY  
TENDENCY  
TENDENCY  
Cloudy with sunny  
intervals  
Sunny  
Rainy  
For every sudden or significant change in the air pressure, the weather icons will  
update accordingly to represent the change in weather.  
(Every time a new average pressure value has been obtained (once per minute), this  
value is compared with an internal reference value. If the difference between these  
values is bigger than the selected weather tendency sensitivity, the weather-icon  
changes, either for worse or for better. In this case, the current pressure value  
becomes the new weather tendency reference.)  
If the icons do not change, either the air pressure has not changed or the change has  
been too small for the Weather Center to register. So you may adjust the "sensitivity"  
of the pressure change checking in the setting mode –see WEATHER TENDENCY  
SENSITIVITY VALUE SETTING above.  
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However, if the icon displayed is a sun or raining cloud, there will be no change of  
icon if the weather gets any better (with sunny icon) or worse (with rainy icon) since  
the icons are already at their extremes.  
The icons displayed forecasts the weather in terms of getting better or worse and not  
necessarily sunny or rainy as each icon indicates. For example, if the current weather  
is cloudy and the rainy icon is displayed, it does not mean that the product is faulty  
because it is not raining. It simply means that the air pressure has dropped and the  
weather is expected to get worse but not necessarily rainy.  
Note:  
After setting up, readings for weather forecasts should be disregarded for the next 12-  
24 hours. This will allow sufficient time for the Weather Center to collect air pressure  
data at a constant altitude and therefore result in a more accurate forecast.  
Common to weather forecasting, absolute accuracy cannot be guaranteed. The  
weather forecasting feature is estimated to have an accuracy level of about 75% due  
to the varying areas the Weather Center has been designed for use. In areas that  
experience sudden changes in weather (for example from sunny to rain), the Weather  
Center will be more accurate compared to use in areas where the weather is stagnant  
most of the time (for example mostly sunny).  
If the Weather Center is moved to another location significantly higher or lower than  
its initial standing point (for example from the ground floor to the upper floors of a  
house), discard the weather forecast for the next 48-60 hours, as the Weather Center  
may mistake the new location as being a possible change in air-pressure when really  
it is due to the slight change of altitude.  
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WEATHER TENDENCY INDICATOR  
Working together with the weather icons is the weather tendency indicators (arrow  
located on the left and right sides of the weather icons). When the indicator points  
upwards, it means that the air-pressure is increasing and the weather is expected to  
improve, but when indicator points downwards, the air-pressure is dropping and the  
weather is expected to become worse.  
Taking this into account, one can see how the weather has changed and is expected  
to change. For example, if the indicator is pointing downwards together with cloud and  
sun icons, then the last noticeable change in the weather was when it was sunny (the  
sun icon only). Therefore, the next change in the weather will be cloud with rain icons  
since the indicator is pointing downwards.  
Note:  
Once the weather tendency indicator has registered a change in air pressure, it will  
remain permanently visualized on the LCD.  
AIR PRESSURE HISTORY (ELECTRONIC BAROMETER WITH BAROMETRIC  
PRESSURE TREND)  
The bottom section of the LCD also shows the relative air pressure value and the air  
pressure history.  
Depending on programming conditions, display of the history of air pressure in form of  
a graph consisting of vertical bars.  
The bar graph of the electronic barometer shows the air pressure history of the past  
12 hours in five 3-hour steps.  
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Air pressure  
Air pressure  
changes in inHg  
changes in hPa  
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 inHg (+0.12, +0.06, 0, -0.06, -  
0.12. The “0” represents the current air pressure). The newly 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 to get worse from the present time "0".  
At every full hour the current air pressure is used as a basis for the display of a new  
graph bar. The existing graph is then moved one column to the left.  
Note:  
For accurate barometric pressure trend, the Weather Center should operate at the  
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same altitude. For example, it should not be moved. Should the unit be moved, for  
instance from the ground to the second floor of the house, the readings for the next  
12-24 hours shall be discarded.  
WIND DIRECTION AND WIND SPEED MEASUREMENT  
In normal display mode, the second section of the LCD shows the following wind data.  
Wind direction (shown on the a compass scale of 16 divisions) and wind speed  
in Beaufort scale  
Wind chill in °F or °C  
Wind Speed in mph, km/h or m/s  
Text showing wind speed in  
Beaufort scale  
Pointer indicates the  
currently detected wind  
direction  
This alarm symbol  
indicates that the alarm is  
set On  
Wind speed  
Wind chill  
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RAINFALL MEASUREMENT  
The total rainfall measurement is displayed in the fourth section of the LCD, in the unit  
of mm or inch. (see VIEWING THE MIN/MAX WEATHER DATA below)  
VIEWING THE HISTORY DATA  
The Weather Center can store up to 200 sets of weather data 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. For instance, if user  
has manually set the time as 14:52 after installing batteries, the first history record will  
be made at the coming 15:00 automatically. Then the second record will be on 18:00  
and so on.  
Each weather record includes the wind direction, wind speed in Beaufort scale, Wind  
chill temperature, wind speed, outdoor temperature and humidity, relative pressure  
and total rainfall, pressure history and weather tendency. Also, the time and date of  
recording will be displayed.  
Note:  
In order to acquire the correct time of recording of the history records, you shall  
manually set the current time as soon as installing batteries to the Weather Center.  
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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.  
Press the HISTORY key. The latest weather record will be shown with the date  
and time of recording. The "HISTORY" icon will be displayed at the bottom of  
the LCD.  
HISTORY icon  
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2.  
Press MIN/ MAX to view older records.  
(Press MIN/MAX and + key to view "Previous" and "Next" record respectively.  
The records are made at 3-hour intervals)  
Note:  
The stored history records will not be retained after battery change or whenever  
battery is removed.  
The total rainfall value will be exhibited in whole number (no decimal place) in  
the history record.  
VIEWING THE MIN/MAX WEATHER DATA  
The Weather Center will record the maximum and minimum value of the various  
weather data with time and date of recording automatically. The following stored  
MIN/MAX weather data can be viewed by pressing the MIN/MAX key in normal  
display mode.  
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1.  
Min outdoor temperature with the date and time of recording  
Time and date or  
recording  
MIN outdoor  
temperature  
value  
MIN icon  
2.  
3.  
Max outdoor temperature with the date and time of recording  
Min outdoor humidity with the date and time of recording  
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4.  
Max outdoor humidity with the date and time of recording  
Time and date or  
recording  
MAX outdoor  
humidity value  
MAX icon  
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5.  
Min Wind chill temperature with the date and time of recording  
Time and date or  
recording  
MIN wind chill  
value  
MIN icon  
6.  
7.  
Max wind chill temperature with the date and time of recording  
Min relative pressure with the date and time of recording  
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8.  
Max relative pressure with the date and time of recording  
Time and date or  
recording  
MAX relative  
pressure value  
MAX icon  
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9.  
Maximum wind speed  
Time and date or  
recording  
MAX wind speed  
value  
MAX icon  
RESET THE MIN/MAX WEATHER DATA  
To reset the aforementioned MIN/MAX weather data 1. to 9., you shall need to reset  
each of the data independently.  
1. Press MIN/MAX key to show the desired weather data. For instance, if you want  
to reset the minimum humidity, in the normal display you shall press the  
MIN/MAX key 3 times to show the min humidity value.  
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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 + key once, 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.  
10.  
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  
Center.  
In normal display mode, press the MIN/MAX key 10 times to show the total rainfall  
value. The "RESET" icon will also be shown at the same time.  
The total rainfall value is counted  
from this time and date  
Total rainfall  
value  
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To reset the rainfall reading, press the + 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.  
Note:  
After power up, the time and date and total rainfall is displayed as "- - -". After time is  
adjusted manually, the set time will be shown.  
SWITCHING ON/OFF THE BUZZER  
User may choose to turn off the buzzer so that when the time alarm is switched on  
and activated, the buzzer will not sound but we can still see the alarm icon (((y)))  
flashing on the LCD for time alarm.  
On the other hand, when the buzzer is turned off and any weather alarm is activated,  
the particular weather digits will flash to show user that the weather condition is being  
out of the preset threshold value, yet the buzzer will not sound.  
To switch off the buzzer:  
1.  
2.  
In normal display mode, press and hold the SET key until the icon "BUZZER  
OFF" is shown at the right side above the Wind direction scale. The LCD will  
change to setting mode.  
Press ALARM key once to return to the normal display mode. The "BUZZER  
OFF" icon will still be shown.  
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BUZZER OFF icon  
To re-enable the buzzer:  
1.  
When the BUZZER OFF icon is shown on LCD, press the SET key shortly and  
the BUZZER OFF icon will disappear.  
2.  
Press ALARM key once to return to the normal display mode. The "BUZZER  
OFF" icon will no longer be shown. Then the alarm will sound normally.  
LOW BATTERY INDICATOR  
The low battery indicator of the Weather Center and the Thermo-hygro sensor will be  
displayed at the top and bottom portion 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 Center and the thermo-hygro sensor  
need to be reset (see note ”Setting up”)  
The history data record will be clear after the battery change.  
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OUTDOOR SENSOR 915 MHz RECEPTION  
The outdoor temperature, humidity, wind data and rainfall are transmitted from the  
thermo-hygro sensor about every 4.5 seconds. The Weather Center will then be  
synchronized to the thermo-hygro sensor to receive outdoor data. The transmission  
range (up to 330 feet) of the thermo-hygro Sensor may be affected by the ambient  
temperature. At cold temperatures the transmitting distance may be decreased.  
Please keep this in mind when placing the sensor.  
If the outdoor data are not being received within 60 seconds after setting up (or the  
outdoor display shows “- - -“ in the outdoor section of the Weather Center after  
consecutive failed attempts during normal operation). Please check the following  
points:  
1.  
2.  
3.  
The distance of the Weather Center or sensor should be at least 5 to 6.5 feet  
away from any interfering sources such as computer monitors or TV sets.  
Avoid positioning the Weather Center onto or in the immediate proximity of  
metal doors or window frames.  
Using other electrical products such as headphones, speakers, or cordless  
phones operating on the same signal frequency (915 MHz) may prevent  
correct signal transmission and reception.  
4.  
5.  
Neighbors using electrical devices operating on the 915 MHz signal frequency  
can also cause interference.  
“Visibility” of Weather Center and thermo-hygro sensor (e.g. through a window)  
increases the range.  
Note:  
When the 915 MHz signal is received, do not re-open the battery compartment  
cover of either the sensor or Weather Center, as the batteries may spring free  
from the contacts and force a false reset. Should this happen accidentally then  
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reset all units (see Setting up above) otherwise transmission problems may  
occur.  
During normal operation, after the outdoor display shows "- - -", the Weather  
Center will change to receive the outdoor data every 15 minutes, until the data  
is read again. Then the reception period will return to 4.5 seconds.  
The transmission frequency may be switching between 910, 915 and 920 MHz  
to enable successful signal reception by the Weather Center.  
If no reception is possible despite the observation of these factors, all system  
units have to be reset (see Setting up).  
POSITIONING  
Prior to permanently affixing any of the units, please ensure the following points are  
considered:  
Cable lengths of the units meet with your distance requirements at the point of  
fixing  
Signals from the sensors can be received by the base center at points of  
mounting  
Weather Center  
The Weather Center has been designed to be hung onto wall or free standing with the  
2 kinds of foldout stand.  
To wall mount  
Before wall mounting, please check that the outdoor temperature and humidity values  
can be received from the desired locations. To wall mount:  
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1.  
2.  
Fix a screw (not supplied) into the desired wall, leaving the  
head extended out the by about 5mm.  
Hang the Weather Center onto the screw. Remember to  
ensure that it locks into place before releasing.  
Thermo-hygro Sensor  
Rain Cover  
Main Unit  
Wall Bracket  
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An ideal mounting place for the thermo-hygro sensor would be the outer wall beneath  
the extension of a roof, as this will protect the sensor from direct sunlight and other  
extreme weather conditions.  
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 cables from the wind and rain sensors are  
correctly plugged in otherwise data transmission errors could occur.  
Wind Sensor  
Wind vane  
Vertical  
mast  
Wind fan  
Horizontal  
panel  
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Firstly, check that the wind-fan and the wind-vane can rotate freely before fixing the  
unit. For correct and accurate readings it is important to mount the sensor so that the  
front (marked E) is pointing in East-West direction. The wind sensor should now be  
mounted using the screw or cable tie provided onto a solid wall/ panel mast or mast to  
allow the wind to travel around the sensor unhindered from all directions (ideal mast  
size should be from diameter about 5/8” to 11/4”).  
Once the wind sensor is fixed onto the mast, connect the cable to the corresponding  
thermo-hygro sensor socket so that operating power supply can be received and data  
can be transmitted to the base center.  
Rain Sensor  
For best results, the rain sensor should be securely mounted onto a horizontal surface  
about 1 meter above the ground 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 excess will not collect and store at the base  
of the unit but can flow out between the base and the mounting surface (test by  
pouring clean water).  
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After mounting the rain sensor, connect the cable to the thermo-hygro sensor at the  
corresponding socket so power supply can be received and data be transmitted to the  
base center  
The rain sensor is now operable. For testing purposes, very slowly pour a small  
amount of clean water into the rain sensor funnel. The water will act as rainfall and will  
be received and displayed at the base center after about 2 minutes delay i.e. when  
the reading interval is reached.  
CARE AND MAINTENANCE:  
Extreme temperatures, vibration and shock should be avoided as these may  
cause damage to the units and give inaccurate forecasts and readings.  
When cleaning the display and casings, use a soft damp cloth only. Do not use  
solvents or scouring agents as they may mark the LCD and casings.  
Do not submerge the units in water.  
Immediately remove all low powered batteries to avoid leakage and damage.  
Replace only with new batteries of the recommended type.  
Do make any repair attempts to the units. Return it to their original point of  
purchase for repair by a qualified engineer. Opening and tampering with the  
units may invalidate their guarantee.  
Do not expose the units to extreme and sudden temperature changes, this may  
lead to rapid changes in forecasts and readings and thereby reduce their  
accuracy.  
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SPECIFICATIONS:  
Temperature measuring range:  
Outdoor  
:
-40°F to +139.8°F with 0.2°F resolution  
-40ºC to +59.9ºC with 0.1ºC resolution  
(“OF.L” displayed if outside this range)  
Relative humidity measuring range:  
Outdoor  
:
1% to 99% with 1% resolution  
(“- -” displayed if < 1%, "99" displayed if 99%)  
Wind speed  
Wind chill  
:
0 to 111.8 mph (0 to 50 m/s)  
(displayed "OF.L" when > 50m/s)  
-40°F to +139.8°F (-40ºC to +59.9ºC)  
(displayed "OF.L" if outside this)  
:
Relative pressure pre-set range  
Rainfall  
:
:
27.14 to 31.90 inHg (919 to 1080 hPa)  
0" to 393.7" (0 to 9999 mm) (displayed  
"OF.L" when > 9999mm)  
Outdoor data reception  
Air pressure checking interval  
Transmission range  
:
:
:
every 4.5 seconds  
every 15 seconds  
up to 330 feet (100 meters) in open space  
Power:  
Weather Center  
Thermo-hygro Sensor  
:
:
3 x AA, IEC LR6, 1.5V  
2 x AA, IEC LR6, 1.5V  
Battery life  
:
approximately 24 months (Alkaline batteries  
recommended)  
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Dimensions (L x W x H)  
Weather Center  
Thermo-hygro Sensor  
Wind sensor  
:
:
:
:
6.09" x 1.27" x 8.86" (154.6 x 32.2 x 225.1 mm)  
2.25" x 2.44" x 6.18" (57.3 x 62 x 156.9 mm)  
9.84" x 5.74" x 10.87" (250 x 145.9 x 276.2 mm)  
5.67" x 2.15" x 3.46" (144 x 54.6 x 88 mm)  
Rain sensor  
LIABILITY DISCLAIMER  
The electrical and electronic wastes contain hazardous substances. Disposal  
of electronic waste in wild country and/or in unauthorized grounds strongly  
damages the environment.  
Please contact your local or/and regional authorities to retrieve the addresses  
of legal dumping grounds with selective collection.  
All electronic instruments must from now on be recycled. User shall take an  
active part in the reuse, recycling and recovery of the electrical and electronic  
waste.  
The unrestricted disposal of electronic waste may do harm on public health and  
the quality of environment.  
As stated on the gift box and labeled on the product, reading the “User manual”  
is highly recommended for the benefit of the user. This product must however  
not be thrown in general rubbish collection points.  
The manufacturer and supplier cannot accept any responsibility for any  
incorrect readings and any consequences that occur should an inaccurate  
reading take place.  
This product is designed for use in the home only as indication of the  
temperature.  
This product is not to be used for medical purposes or for public information.  
The specifications of this product may change without prior notice.  
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This product is not a toy. Keep out of the reach of children.  
No part of this manual may be reproduced without written authorization of the  
manufacturer.  
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. 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. 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  
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Technology, Ltd will pay ground return shipping charges to the owner of the product to  
a USA address only.  
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.. 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.  
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.  
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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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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.  
All trademarks and patents are acknowledged.  
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