PROFESSIONAL WEATHER CENTER
WS-1611
Operation Manual
Table of Contents
Topic
Page
3
Features
Setting up
6
Function keys
LCD Screen
Manual Setting
Time alarm setting
Weather alarm operations
Hysteresis
Weather forecast and weather tendency
Wind direction and wind speed measurement
Rainfall measurement
Viewing history data
Viewing the min/ max weather data
Switch On/ Off buzzer
Outdoor transmission 915 MHz reception
Positioning
12
15
17
25
26
32
33
37
38
38
40
47
49
50
54
55
57
Care and Maintenance
Specification
Warranty Information
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MIN/MAX value of outdoor temperature and humidity display with time & date
of recording
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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 displayed in mph, km/h, or m/s, and Beaufort scale
Wind chill displayed in ƱF of ƱC
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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)
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Thermo-hygro Sensor
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Remote transmission of the outdoor temperature and humidity
to the Weather Center at 915 MHz
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Weather-resistant casing
Wall mounting case (to be mounted in a sheltered place. Avoid
direct rain and sunshine)
Wind Sensor
Rain Sensor
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Connected to the thermo-hygro sensor by cable
Can be installed onto a mast or a horizontal panel
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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.
- Do Not Mix Old and New Batteries
- Do Not Mix Alkaline, Standard, or
Rechargeable Batteries
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.
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).
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.
5.
6.
7.
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 :
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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
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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. Remove the battery compartment cover.
2. 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).
4.
unit.
Replace the battery cover and the rain cover onto the
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
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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.
FUNCTION KEYS:
Weather Center:
The Weather Center has 5 easy-to-use function keys.
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SET key
+ key
History key
Alarm key
MIN/MAX key
SET key
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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
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In normal display mode, press and hold to switch on/off the Buzzer
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In the weather alarm setting mode, press and hold to adjust different alarm
value and switch the alarm On/Off
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Press to activate the reset mode when max or min record is shown
Stop the alarm during the time alarm or weather alarm ringing
+ key
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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
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HISTORY key
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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
ALARM key
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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
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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
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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 ƱF or ƱC
Wspen ,
or m/s
Outdoor temperature
in °F or ºC
uoor reave
humidity in %
Outdoor temp.
alarm icon
Outdoor Humidity
alarm icon
Relative air pressure
disp
Total rainfall in inch or mm
Weather tendency
indicator
Air pressure
histogram
Weather forecast
icon
TX
Sensor low battery
Sensor signal reception
icon
indicator
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MANUAL SETTING:
The following manual settings can be changed once the SET key is pressed:
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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.
2.
Use the + or MIN/MAX key to toggle the value.
Confirm with the SET key and enter the CALENDAR SETTING.
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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.
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.
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.
4.
5.
6.
7.
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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.
Use the + or MIN/MAX key to toggle between the unit “inch” or “mm”
2. 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 (((ꢀ))) 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.
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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
32ꢁF
Temperature
High
Low
High
High
104ꢁF
45%
Relative
Humidity
Wind speed
70%
62.0mph
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 (((ꢀ)))
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 (((ꢀ)))
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 (((ꢀ)))
means that the alarm is switched on.)
Press the ALARM key once. The Low Outdoor humidity alarm display will be
shown.
4.
5.
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 (((ꢀ)))
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 (((ꢀ)))
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
TE
TENDENCY
Cloudy with sunny
intervals
Sunny
Rainy
For every sudden or significant ue, 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.
34
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
changes in inHg
Air pressure
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
same altitude. For example, it should not be moved. Should the unit be moved, for
36
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.
38
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.
40
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
42
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
44
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
46
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 (((ꢀ)))
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.
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.
2.
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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.
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.
2.
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.
ꢀ
48
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.
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.
4.
5.
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
La Crosse Technology Sensor Extension Cable
When you require additional cable length to mount your sensor, you can use La
Crosse Technology extension cable. The extension cable is 32 feet in length and
comes with the appropriate connecter attached. Please visit your local retailer or
Phone cables and connections have much more resistance than our extension cable
and are not recommended for use. Using phone cable/connection may damage your
sensors.
50
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 warranty.
Weather Center
The Weather Center has been designed to be hung onto wall or free standing with the
base stand.
To wall mount
Before wall mounting, please check that the outdoor temperature and humidity values
are received from the desired locations. To wall mount:
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.
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Thermo-hygro Sensor
Rain Cover
Main Unit
Wall Bracket
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.
52
Wind Sensor
Wind vane
Vertical
mast
Wind fan
Horizontal panel
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.
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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).
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.
54
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.
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 ꢂ 99%)
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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 (Alkaline batteries recommended) :
Weather Center
:
:
approximately 24 months
approximately 24 months
Thermo-hygro Sensor
Dimensions (L x W x H)
Weather Center
:
:
:
:
4.72" x 1.22" x 6.89" (120 x 31 x 175 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)
Thermo-hygro Sensor
Wind sensor
Rain sensor
56
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.
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.
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WARRANTY INFORMATION
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
58
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.
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This warranty gives you specific legal rights. You may also have other rights specific
to your State. Some States do not 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 information contact:
La Crosse Technology, Ltd
2817 Losey Blvd. S.
La Crosse, WI 54601
Contact Support: 1-608-782-1610
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.
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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