La Crosse 2800 Series Instruction Manual

La Crosse Technology Technical Support, Rev. 1.1 Page 1
2800 Series Frequently Asked Questions
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Hardware Display/Sensor Issues
Weather Station Factory Reset
Complete System Factory Reset
Batteries
Mounting Outdoor Sensors
Distance/Resistance
Thermohygro Sensor
Outdoor temperature shows dashes
Intermittent temperature and/or humidity
Outdoor temperature shows OFL (outside factory limits)
Outdoor temperature and/or humidity are inaccurate
Wind Sensor
Wind cups slow or not spinning
Wind cups or directional vane are broken
Wind direction works but speed is 0.00
Wind reading is dashes or intermittent
Wind reading is blank
Wind sensor shows OFL (outside factory limits)
Wind speed is inaccurate
Wind direction is dashes
Wind sensor is frozen
Rain Sensor
What are the 5 time interval boxes shown?
View 1-Hour, 24-hour, etc.
Set rain alarms manually on the display
Reset rain total
Rain count is not accurate
Display Functions
Program Menu

La Crosse Technology Technical Support, Rev. 1.1 Page 2
Change Modes
Data storage capacity
Alarm on/off
Alarm manual set
Min/Max settings
Pressure reads incorrect
Pressure shows dashes or OFL
Software Issues
HeavyWeather Pro
HeavyWeather software download errors
PC System Requirements –HeavyWeather Pro
Sync USB stick to display
Why does USB stick require resync?
Weather station cannot be found
Please start WV5 communication service
History storage capacity
High rain shows in software
How to delete history data
Export history data to Excel
Upload data with Publisher
HeavyWeather and a Mac
Compatible 3rd party software
La Crosse Alerts PC Software –Remote Monitoring
Optional use of your weather station
La Crosse Alerts Website

La Crosse Technology Technical Support, Rev. 1.1 Page 3
HARDWARE DISPLAY/SENSOR ISSUES
COMPLETE SYSTEM FACTORY RESET
NOTE: If any of the weather station trouble-shooting steps fail, you may need to
do a full system factory set.
A Factory Reset will erase the connection between the Display and all sensors, to
ensure a fresh connection is established. Place the Wind sensor in the full sun
or under a lamp for 24-hours before you reset to be sure it is
charged. Have the display and all sensors 5-10 feet apart with nothing in between
for this restart (allow 30 minutes to complete).
SHUT DOWN COMPONENTS:
ENTER DISPLAY PROGRAM MENU: Press and hold the SET button until
you enter the program menu. Press and release the SET button until you see
'rES oFF' flashing.
FACTORY RESET ON: Use the ▲UP ARROW key or ▼DOWN ARROW key to
turn rES on.
CONFIRM & COUNTDOWN: Press the SET key to confirm and a countdown
timer will begin counting down from 127. When the timer displays dOnE,
remove the batteries from the display.
REMOVE BATTERIES FROM THERMOHYGRO AND RAIN: While the
batteries are out of the display, also remove the batteries from the Thermo-
hygro sensor and the Rain sensor.
GENTLY PRESS THE RESET BUTTON ON THE WIND SENSOR: Cover the
solar panel of the Wind sensor for 15 seconds and while covered,
gently press the reset button (use the tool in the little hole) on the bottom of
the Wind sensor. This should ensure the wind sensor is turned off.
Wait 15 minutes.
POWER UP COMPONENTS:
INSTALL BATTERIES INTO THERMOHYGO AND RAIN: Insert the
batteries into the Thermohygro sensor and Rain sensor. Check polarity with
the markings on the battery cover and inside the battery compartment.
RESTART THE WIND SENSOR: Gently press the reset button on the
bottom of the Wind sensor one time with the solar panel exposed to light in
order to activate the sensor.
ALLOW THE SENSORS TO RUN FOR TWO MINUTES.
INSTALL BATTERIES INTO DISPLAY: After the sensors have run for 2
minutes, insert the batteries into the Display. Check polarity with the
markings inside the battery compartment. Watch the lower left corner of the
display on start up and record the firmware version of this display (3 digit
number). If you contact support, we may ask for the firmware number.

La Crosse Technology Technical Support, Rev. 1.1 Page 4
15 MINUTES: Wait 15 minutes (without pressing buttons) for the outdoor
weather data to display. If the outdoor data displays dashes, after waiting
for 15 minutes, repeat this restart.
BATTERIES
Batteries remain the #1 warranty issue we see. We advise the use of batteries
dated 6 or more years in advance of the current year. Good name brand batteries
make less noise, which reduces the chance of RF interference from the battery
compartment. If you have a voltmeter that reads numerically, a minimum voltage
of 1.48V for each battery is necessary for proper performance. Batteries dated
earlier than 6 years from now may still work, but may be unstable in performance.
MOUNTING OUTDOOR TEMPERATURE SENSOR
Please test all sensors in the house before mounting. Tip the rain gauge; blow on
the wind sensor to be sure everything reads properly. Allow the sensors to run for
2 minutes before installing batteries into the display. View all data on the display.
AVOID:Transmitting antennas, using PVC pipe (unless electrical grade), and other
sources of interference.
DO: 915 mhz functions best when all outdoor components have a minimum mount
height of 6 feet above any horizontal surface.
WIND SENSOR:
WIND: Place the Wind sensor as high as possible to install it. In most cases
6 ft above the peak of the roof (or more) is required for accurate readings.
(Avoid tall trees or other obstructions that may block or reflect the wind). A
50–foot clearance in all directions is best. For more information on wind
speed and obstructions, check this site:
http://www.talentfactory.dk/en/tour/wres/obst.htm
Wind cups should be below the mastholder.
Ideally the Wind sensor should have a direct line of sight to the Thermohygro
sensor.
DIRECTION: Please note the proper Direction when mounting. The wind
sensor has N,S, E, W indications on the barrel. The solar panel should be
facing South for best light.
NOTE: Be sure not to overtighten the U bolts to mast, as the mastholder may
crack.
TIP:Most meteorological recording stations have sensors mounted 33 ft or
higher above ground.

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RAIN GAUGE:
RAIN: Install the Rain gauge on a level platform that is stationary. If the
gauge isn't level it will read low, and if it isn't stationary, wind will cause it to
read rain that is not falling.
Ideally the Rain sensor should have a direct line of sight to the Thermohygro
sensor.
On the bottom of the sensor there are 4 screw holes that can be used to
mount the gauge. First remove the cover. Push down and twist counter
clockwise, then pull the cover off. This will give you access to the screw
holes.
NOTE: Be sure not to screw the rain sensor down too tightly as that will result
in a low or inaccurate reading.
TIP:Use only 2 screws (across from each other to stabilize) that are just snug
not tight. If mounted on a piece of wood, the wood can swell when wet causing
the mounting screws to become too tight.
Place the Rain gauge 6ft (or more) above the ground. This will prevent dirt
from clogging the gauge.
NOTE: You may need to periodically clear debris such as leaves, spider nests
etc from the rain gauge, so be sure it is accessable.
THERMOHYGRO SENSOR:
THERMOHYGRO: Place the Outdoor sensor vertically, in a well-shaded area
that is protected from direct rainfall and sun. The sensor will read high if
exposed to the sun. If the sensor gets too wet it will not read accurate
humidity. Light incidental exposure to water typically will not harm the
sensor.
See the Distance/Resistance cautions.
A good location is under the eaves on the north side of the house. A small
roof or box can be built for it if there is have an overhang. Please be sure it is
well vented.
Ideally the Wind & Rain sensors should have a direct line of sight to the
Thermohygro sensor. It is important that all sensors are on the same side of
the house.
It is best to mount the sensor with screws as tape can fail causing the sensor
to fall. Tape is great for positioning until the best location for the sensor to
maintain contact with the display is determined.
NOTE:Do not place sensor in a plastic bag.
DISTANCE/RESISTANCE
Distances listed as supported on packages are based on line-of-sight testing,
which means no obstructions and optimal conditions.
Each barrier reduces the estimated distance by up to 50%.

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Some barriers are impenetrable (e.g. concrete).
Avoid having more than 1 wall, window, tree, etc between the Display and
the Thermohygro sensor. UV coated windows may actually reflect the signal
causing loss of contact. Stucco walls can absorb the signal.
Beware of the “intermittent” obstacle – e.g. the delivery truck that parks
between your sensors twice a week at 3 PM.
THERMOHYGRO SENSORS
OUTDOOR TEMPERATURE SHOWS DASHES
Dashes mean the display has lost connection with the outdoor sensor.
Batteries are the most common problem.
Distance/Resistance can cause loss of sensor signal.
It may be helpful to orient the Display 90 degrees towards the Thermohygro
sensor for better reception.
Sensors operating at 915MHz work best when elevated at least 6 feet.
TRY THIS FIRST:
Remove the batteries from the Thermohygro and Rain sensors for 2
minutes. Replace the batteries in the Thermohygro and Rain sensors.
After 3 minutes press and hold the UP ARROW on the display until it
beeps. Wait 10 minutes. If you do not receive a reading from all your
sensors, please try the complete factory reset.
NOTE: It can take several tries to get the Wind and the Rain to connect. Please
install batteries in the Rain and Thermohygro sensors, then key the Wind sensor
and allow them to operate in line-of sight of each other for 2 minutes before
powering up the display.
INTERMITTENT TEMPERATURE AND/OR HUMIDITY
RF communication may come and go occasionally. This can be normal in
some environments (e.g. moister climates). If a sensor goes out, please
wait 2-4 hours for it to reconnect on it’s own. Please be patient –these
stations can reconnect after many hours out.
RF communication is not always 100% on. Certain temporary conditions can
cause it to go out for a time (e.g. 100% humidity).

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If a miss happens:
The sensors try for 20 minutes to reconnect. After 20 minutes, the thermo-hygro
stops trying for an hour (to preserve battery life). After the 1-hour break, the
thermo-hygro sensor will start another 20-minute re-connect cycle.
Distance/Resistance can cause loss of sensor signal.
Check batteries. This is our primary warranty issue.
OUTDOOR TEMPERATURE SHOWS OFL (OUTSIDE FACTORY LIMITS)
Check batteries. This is our primary warranty issue. Overpowered or
underpowered batteries can cause this reading.
Replace the sensor.
OUTDOOR TEMPERATURE AND/OR HUMIDITY ARE INACCURATE
Side-by-side test. Bring the sensor in the house and place it next to the display
for 2-hours. Compare indoor and outdoor temperature and humidity. The
temperatures should be within 4 degrees to be considered within tolerance. The
humidity should be within 4% to be considered within tolerance.
If the sensor reads correctly while next to the display then try a different location
outside. Look for heat sources such as sunlight, door or window frames, or
reflected heat.
WIND SENSOR
WIND CUPS SLOW OR NOT SPINNING
Check for debris or ice in wind cups.
Be sure the wind cups are mounted below mast.
Check the mounting location to be sure the wind is not being blocked from
reaching the sensor. The pole the mast is mounted on should not be more
than 1-¼ inch thick. In most cases, the sensor needs to be 6ft above the
highest point on the roof in order to clear nearby obstructions and read
accurately. A 50–foot clearance in all directions is best.
Push up firmly on the center of the cups to reseat them. Occasionally they
can drop a bit.

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WIND CUPS OR DIRECTIONAL VANE ARE BROKEN
Replace the wind directional vane:
Gently remove the piece of plastic in the top center of the vane to reveal the
screw that holds the vane to the sensor.
Remove the screw.
Gently pull the vane straight up and off of the sensor.
Carefully place the new vane on the sensor; notice the groove to seat it
properly.
Insert screw through the vane to the sensor and tighten properly.
NOTE: do not over tighten.
Complete a restart to connect sensor to the display.
TIP:In the Southern Hemisphere the wind sensor still needs to face South to
charge properly. You cannot remove the directional vane, turn it backwards and
seat properly again.
Replace wind cups.
In the bottom center of the wind cups is a plastic lock pin. Gently pry the
lock pin out of the wind cups.
Firmly grasp the wind cups and pull straight off the sensor.
Check to be sure that the unit has a metal magnet in the wind cups.
Check to be sure there is a metal bearing in the wind cups or on the stem of
the sensor where the cups attach.
Look at the new wind cups and be sure there is a bearing and magnet in
place.
Install the cups onto the wind sensor and press firmly.
Insert a new lock pin into the cups and push firmly until the lock pin is flush
with the bottom of the cups.
WIND DIRECTION WORKS BUT SPEED IS 0.00
Check that the wind cups are still attached to the sensors. Occasionally they can
come off.
WIND READING IS DASHES OR INTERMITTENT
RF interference is normal; the occasional outage is possible.
Check for sources of RF interference such as Ham radio or electric
transformers nearby. In the house look to see if the Display is near a
cordless phone or wireless router etc.
Check the environment for unusual moist/humid conditions (it is a known
fact that 'moist' reduces RF signal in electronics).

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Check that the wind sensor is receiving plenty of sunlight. Bring it in and
place under a lamp for 24-hours if needed.
Distance/Resistance can cause loss of sensor signal.
Try relocating the Wind sensor closer to the Thermohygro sensor. Ideally the
Wind and TH sensor should be on the same side of the building and in line-
of-sight of each other.
Mounting on a metal or white PVC pole may cause RF interference or static.
Watch if there are certain times of the day or night that the unit loses
signal. Details are helpful in resolving the problem.
TRY THIS FIRST:
Cover the solar panel of the Wind sensor for 15 seconds while gently
pressing the reset button on the bottom of the Wind sensor. This should
assure the wind sensor is turned off.
Remove the batteries from the Thermohygro and Rain sensors for 2 minutes.
After 2 minutes replace the batteries in the Thermohygro and Rain sensors.
Gently press the reset button on the bottom of the Wind sensor, with the
solar panel exposed to light.
After 3 minutes press and hold the UP ARROW on the display until it beeps.
Wait 10 minutes. If you do not receive a reading from all your sensors
please try the factory reset.
NOTE: It can take several tries to get the Wind and the Rain to connect. Please install
batteries in the Rain and Thermohygro sensors , then key the Wind sensor and allow all
sensors to operate in line-of sight of each other for 2 minutes before
powering up the display.
WIND READING IS BLANK
Check that other areas of the display read properly. If other areas also fail, you
may have a problem with the Display.
WIND SENSOR SHOWS OFL (OUTSIDE FACTORY LIMITS)
Place the wind sensor under a light source for 24-hours.
Note if there are certain times of the day or night this occurs.
Check the solar panel for damage of breakdown.
WIND SPEED IS INACCURATE
Check the unit of measure (MPH, KMH, or M/S).
How far away is the recording station used to compare wind speed? Wind
speed can be different in just a few feet.

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Check to see if the unit receives the same repetitive wind speed from the
sensor multiple times.
Check to confirm the direction is working correctly.
Mounting on a metal or white PVC pole may cause RF interference or static
and inaccurate readings.
Check that the cups turn freely. Check for insects or debris preventing free
movement.
Be sure the cups are mounted below the mast.
Check that the cups have not dropped. Push up firmly in the center of the
cups to seat properly.
Be sure the Wind sensor solar panel is receiving plenty of light. The wind
sensor should be facing South.
Check the location of the sensor mounting and the surrounding area for
obstructions. In most cases, the sensor needs to be 6ft above the highest
point on the roof in order to clear nearby obstructions and read accurately. A
50–foot clearance in all directions is best.
It is helpful to send pictures if you need to contact customer support.
WIND DIRECTION IS DASHES
If the speed is working then the wind sensor is bad.
WIND SENSOR IS FROZEN
Bring the sensor in the house for 2-3 days. The sensor will need to thaw out
and dry out to prevent refreezing.
The wind sensor will need to have 40-degree temperatures for 3 days to
thaw and dry when mounted.
The wind sensor does not often freeze as it is always moving.
RAIN SENSOR
WHAT ARE THE 5 TIME INTERVAL BOXES SHOWN?
NOTE: It is important that Time and Date are set on the station.
The 1-hour and 24-hour rain records in real time with a short delay. As the
rain stops falling, the 1-hour and 24-hour rainfall totals will slowly count
backwards to zero.
You cannot reset the 1-hour, 24-hour, weekly or monthly rain.
The 1-hour rain reflects rain that has fallen from current time and back 1-
hour. This is not a midnight to midnight or 7 to 7 system.
The 24-hour rain reflects the rain that has fallen from current time and
back 24-hours. This is not a midnight to midnight or 7 to 7 system.

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Weekly rain reflects the rain that has fallen from 12AM Monday through
11:59PM Sunday of the previous week. This will always be a week behind
and update 12AM Mondays. A Monday start is common internationally.
Monthly rain reflects the previous month’s rain and will update 12AM the
first day of the month.
Total rain will remain until you manually reset this value. Total rain reflects
the rain from time of set-up until you reset the total rain.
VIEW 1-HOUR, 24-HOUR, ETC.
Press and release the ▼DOWN ARROW to select the rainfall value to display.
SET RAIN ALARMS MANUALLY ON THE DISPLAY
In the normal display mode, press and release the ALARM key until you see the
Rainfall amount in 24-hour period alarm.
Press and hold the SET button for 2 seconds and the selected value will
flash. Press and release the ▲UP ARROW key or ▼DOWN ARROW key to set
the alarm value.
NOTE: Hold the arrow key in to change the value faster.
Press the ALARM key to confirm the setting. The digit will stop flashing.
RESET RAIN TOTAL
In either Mode 1 or Mode 2 display, press and release the MIN/MAX button until the
display shows the total rainfall value.
To reset the rainfall reading, press the UP ARROW button. The total rainfall amount
will reset to 0, and the time updated to current time.
NOTE:Until the first rainfall total reset is performed, the time and date of the total
rainfall are displayed as '- - -. --. ----'. After the rainfall total is reset, the rainfall
total display will indicate the date and time of the last rainfall total reset.
RAIN COUNT IS NOT ACCURATE
PLEASE CHECK THE SOFTWARE VERSION: Updates are available for download at:
http://www.lacrossetechnology.com/support/software.php. Please read the release
notes to ensure you have the correct version for your weather station.
Check that the unit of measure (inches or mm) is correct.

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Complete a Manual Tip Test and a Water Tip Test and compare them:
Manual Tip test: Write down the Total Rain reading or reset the Rain Total to
0.00. Use the eraser end of a pencil to manually tip the rocker of the rain sensor
10 times (five each way). Wait at least 30 minutes for all the rain to collect.
Water Tip Test: Write down the Total Rain reading or reset the Rain Total to 0.00.
With Rain Gauge mounted slowly pour water into the funnel to tip the rocker of the
rain sensor 10 times (five each way). Wait at least 30 minutes for all the rain to
collect.
Compare these tests. If they still read high, or low, then contact support.
Please provide the firmware version of the display (remove the batteries,
reinsert batteries and the firmware version - 222, 332, etc. will display in the
lower left corner).
Please provide the exact model of the TH sensor (TX59U-IT or TX59UN-1-IT).
If the tests read low, dismount the rain gauge and retest. One of the most
common problems with low rain is that the gauge is mounted too tight.
Check that the pin the rocker tips on is pushed in all the way and that the
rocker tips freely.
Check the funnel and inside of Rain Gauge for insect nests or debris that may
cause lack of motion.
Check for sources of RF interference such as Ham radio electric
Transformers, or other rain gauges nearby. In the house look to see if the
Display is near a cordless phone or wireless router etc.
DISPLAY FUNCTIONS
PROGRAM MENU
There are 5 function keys located on the unit: SET, UP ARROW, DOWN ARROW,
ALARM, and MIN/MAX. Begin by holding the SET button until the display flashes.
When you press and release the SET button after each step, you will move to the
next step.
CONTRAST: Press and hold the SET button. LCD and a number from 1-8 will flash.
To adjust the Contrast of the LCD display press and release the UP ARROW or
DOWN ARROW button. Press and release the SET button.
HOUR: The Hour will flash. Press and release the UP ARROW or DOWN ARROW
button until the correct Hour is shown. WATCH the AM/PM.

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NOTE: When in the 12h mode, there is only a 'PM' display, which appears under
the word TIME. During the 'AM' hours this area will be blank. When the correct
hour shows, press and release the SET button once.
MINUTES: The Minutes will flash. Press and release the UP ARROW or DOWN
ARROW button until the correct Minutes display. Press and release the SET button
once.
12/24-HOUR TIME: A 12h or 24h will flash. To change between 12h and 24h,
press and release the UP ARROW or DOWN ARROW button. Press and release the
SET button once.
NOTE:When in 24-hour time the Date will display Day first, then Month.
YEAR: The Year will flash. Press and release the UP ARROW or DOWN ARROW
button to set the correct Year. Press and release the SET button.
MONTH: The Month will flash. Press and release the UP ARROW or DOWN ARROW
button to set correct Month. Press and release the SET button.
DATE: The Date will flash. Press and release the UP ARROW or DOWN ARROW
button to set the correct Date. Press and release the SET button.
FAHRENHEIT/CELSIUS: Degrees Fahrenheit or Celsius will flash in the Wind chill,
Indoor and Outdoor temperature areas. Press and release the UP ARROW or DOWN
ARROW button to change between Fahrenheit and Celsius. Press and release the
SET button once.
WIND SPEED UNIT: Wind Speed units will flash. Press and release the UP
ARROW or DOWN ARROW button to select from mph, m/s, knots, Beaufort, or
km/h. Press and release the SET button once.
RAIN UNIT: Rainfall Inches or Millimeters will flash. Press and release the UP
ARROW or DOWN ARROW button to select in or mm. Press and release the SET
button once.
PRESSURE UNIT: The Air Pressure units (inHg or hPa) will flash. Press the UP
ARROW or DOWN ARROW button to select inHg or hPa. The Default setting is inHg.
Press and release the SET button.
RELATIVE PRESSURE SETTING: The Relative Air Pressure will flash. Press the
UP ARROW or DOWN ARROW button to adjust the Relative Air Pressure.
NOTE: Refer to the local weather station for an appropriate setting. It is important
that this setting be adjusted for local conditions to ensure forecast accuracy. Press
and release the SET button.

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FORECAST SENSITIVITY: Now the Forecast Sensitivity will flash. The default
setting of .09 works well in most areas of the country, however in areas with
relatively constant pressure this should be set to .06, (within 30 miles of the coast)
and in areas with significant pressure changes this should be set to 0.12 (within 30
miles of the desert). Press the UP ARROW or DOWN ARROW key to adjust. Press
and release the SET button.
STORM ALARM SENSITITY: The Storm Alarm Sensitivity will flash. The default
setting of .15 works well in most areas, however the unit may need to adjust this
level up or down depending on local conditions. Use the UP ARROW or DOWN
ARROW button to adjust then press and release the SET button.
STORM ALARM: AON or AOFF will flash. This will turn the Storm Alarm ON and
Storm Alarm OFF. Use the UP ARROW or DOWN ARROW button to toggle the
Storm Alarm ON and OFF, then press and release the SET button.
WIND DIRECTION DISPLAY: The Dash in the Wind Compass will flash. Use the
UP ARROW or DOWN ARROW button to select the Wind Direction to be displayed in
degrees (dash) or letters NNW. Press and release the SET button.
FACTORY RESET: Res off will be displayed. Use the UP ARROW or DOWN ARROW
button to select on if you wish to Factory Reset the Weather Center. If you do not
wish to restart the weather center, be sure the Res off is showing and press and
release the SET button to complete the program menu.
NOTE: To Factory Reset the weather center, select Res on and press the SET
button to confirm. The station will begin to count down numbers in the date area.
When it is complete it will say Done. The remove the batteries and follow the
Restart up procedure.
CHANGE MODES
MODES: Press and release SET button to toggle between the display of Mode 1 or
Mode 2:
MODE 1:
Wind Speed
Outdoor Temperature
24 hr. Pressure History Graph
MODE 2:
Wind Gust
Dew Point Temperature
72 hr. Pressure History Graph

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UP ARROW:
Press and release to switch between Date and Seconds displayed.
Press and hold until the station beeps to resync with sensors.
DOWN ARROW:
Press and release to view 1-hour, 24-hour, 1-week, 1-month or Total
Rainfall.
Press and hold to resync the display with the software.
DATA STORAGE CAPACITY
A 2800 Series display will record up to 1750 data sets that you can download to the
computer. This station will not “empty” when data is downloaded. The station will
continue to record and overwrite the oldest data.
ALARM ON/OFF
Press the SET button to switch the Alarm On or Off. The alarm icon ((( )))
indicates the alarm is switched ON.
When you press the SET button the alarm icon should disappear and that
alarm is OFF. Press the ALARM key once.
ALARM MANUAL SET
The following 14 Weather Alarms can be adjusted in ALARM setting mode:
High and Low pressure alarms
High and Low indoor temperature alarm
High and Low indoor humidity alarms
High and Low outdoor temperature alarms
High and Low outdoor humidity alarms
High wind gust alarm
Wind direction alarm
Rainfall amount in 24-hour period alarm
Storm Alarm (access in the program menu).
SET ALARMS
1-In the normal display mode, press and release the ALARM key until you see the
value you wish to set an alarm for:
High or Low Pressure alarms
High or Low Indoor Temperature alarms
High or Low Indoor Humidity alarms
High or Low Outdoor Temperature alarms
High or Low Outdoor Humidity alarms
High Wind Gust alarm

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Wind Direction alarm
Rainfall amount in 24-hour period alarm.
2-Press and hold the SET button for 2 seconds and you will see the selected value
flashing. Press and release the ▲UP ARROW key or ▼DOWN ARROW key to set the
alarm value.
NOTE: Hold the arrow key in to change the value faster.
3-Press the ALARM key to confirm the setting. The digit will stop flashing. Repeat
these steps with each alarm value you wish to set.
ACTIVATE/DEACTIVATE ALARM:
Press the SET button to switch the Alarm On or Off. The ((( ))) icon indicates the
alarm is switched on.
When you press the SET button the ((( ))) icon should disappear and that alarm is
off.
Set Storm Alarm: Enter the program menu until you see:
STORM ALARM SENSITITY: The Storm Alarm Sensitivity will flash. The default
setting of .15 works well in most areas, however you may need to adjust this level
up or down depending on local conditions. Use the UP ARROW or DOWN ARROW
button to adjust then press and release the SET button.
STORM ALARM: AON or AOFF will flash. This will turn the Storm Alarm ON and
Storm Alarm OFF. Use the UP ARROW or DOWN ARROW button to toggle the
Storm Alarm ON and OFF, then press and release the SET button.
MIN/MAX SETTINGS
The weather station records the maximum and minimum value of the various
weather data with time and date stamp automatically. You can view the following
by pressing the MIN/MAX key in normal display mode:
MIN/MAX Indoor Temperature
MIN/MAX Indoor Humidity
MIN/MAX Outdoor Temperature
MIN/MAX Dew Point Temperature
MIN/MAX Outdoor Humidity
MAX Wind Gust
Total Rainfall
Reset the MIN/MAX weather data: To reset the MIN/MAX weather data, you
need to reset each of the values independently.

La Crosse Technology Technical Support, Rev. 1.1 Page 17
Press and release the MIN/MAX button to show the desired weather data. Press
▲UP ARROW button. The stored value will reset to the current value and current
time.
Reset Total Rainfall: The Total Rainfall measurement displayed shows the total
rainfall accumulated since last reset of the total rainfall amount.
Press and release the MIN/MAX button until the display shows the Total
Rainfall value.
To reset the rainfall reading, press the ▲UP ARROW button. The total rainfall
amount will reset to 0, and the time updated to current time.
NOTE: Until the first rainfall total reset is performed, the time and date of the
total rainfall are displayed as '- - -.--.----'. After the rainfall total is reset, the
rainfall total display will indicate the date and time of the last rainfall total reset.
CAUTION: If you reset total rainfall manually on the display and synchronize
with HeavyWeather Pro software, you may create confusion with a data
mismatch. If you reset the display, then make a new history.dat file in the
software.
PRESSURE READS INCORRECT
Enter the program menu to select the pressure unit of measure (inHg is common in
the USA) and set the actual Relative Pressure numbers on the display. Set the
display pressure to a known value from the local reporting station.
PRESSURE SHOWS DASHES OR OFL
This is generally a power related issue that is easily resolved.
Enter the Program menu and go to rES OFF. Use the UP ARROW or DOWN
ARROW button to select ON and the display will start a 2-minute count down.
Remove the batteries from the display for a period of 1-hour. Press any
button 20 times with power removed.
Remove the batteries from the TH sensor and Rain gauge as well.
After 2-hours, install batteries into the Rain gauge, then into the TH sensor
and let them sit for 2-minutes.
Then install fresh alkaline batteries into the display and let it search for the
sensors for 15-minutes. Do not touch any buttons at this time.

La Crosse Technology Technical Support, Rev. 1.1 Page 18
SOFTWARE ISSUES
HEAVYWEATHER SOFTWARE DOWNLOAD ERRORS
Make sure to enter the correct URL in the browser search window. The 2800 Series
software is located at: http://www.lacrossetechnology.com/support/software.php
Then scroll about halfway down the page to the link that reads: Download the PC
software: Heavy Weather Pro 2800 version #. # (Note: The version and date on
the download may change when a more current version is posted.)
On Internet Explorer, you may see a box titled “File Download – Security Warning”.
Press the Save button in the window and follow directions on the screen.
If Save is non-responsive, or makes reference to binary file types, etc. –you may
have another application conflicting with the download. Some software applications
try to auto-detect downloads to process them for you (e.g. anti-virus, anti-spyware,
photo album). Note: The download is straight http –there are no ftp file types to
set.
Check the browser for Add-Ons that may conflict with the download (these may
have been installed by other applications and can be temporarily disabled). In IE8
you can select Tools|Manage Add-ons. For other browsers, consult the browser
Help.
If you already installed more than one browser, on occasion two browsers conflict.
Try uninstalling one browser.
If you have only one browser installed, try an alternate browser. Unless you are
technically experienced, the operating system is best limited to it’s default browser
(i.e. IE7 or IE8 on Windows) and one alternative. Viable alternatives are:
Firefox: http://www.mozilla.com/en-US/firefox/ie.html
Chrome: http://www.google.com/chrome
Opera: http://www.opera.com/
If the above steps do not resolve the problem, then you will need to take a USB
drive to another PC, download and save the file there. The file is too large to email
and it is not cost-effective to ship CDs. Please make sure both locations have
appropriate anti-virus software to protect you in carrying the software across
locations.
PC SYSTEM REQUIREMENTS–HEAVYWEATHER PRO
Windows XP (Service Pack 3, 32 bit)
Windows Vista (Service Pack 2, 32 bit)
Windows 7 (Service Pack 1, 64/32 bit)
Windows 8 (64/32 bit)

La Crosse Technology Technical Support, Rev. 1.1 Page 19
SYNC USB STICK TO DISPLAY
DOWNLOAD SOFTWARE: Please download the Heavy Weather Pro 2800 Series
software from Website: http://www.lacrossetechnology.com/support/software.php.
INSTALL USB DEVICE: Install the USB communication device; simply plug it into
any available USB port on the computer where you have installed the Heavy
Weather Pro software application. No driver installation is necessary because the
USB device is self-registering. Once the Heavy Weather Pro software is installed
and synchronized, it will automatically connect to the USB device.
NOTE: Although the USB communication device can be installed on any USB port
connected to the computer, using a non-powered USB hub or extension cable
increases the chance for interruptions between the USB communication device and
the computer. Where obstructions are an issue, a good quality 6ft USB extension
cable can be used if it is directly connected to either a powered hub or a port on the
computer itself.
For best performance, we recommend that the USB device be connected to a USB
port directly on the computer. An externally powered USB hub can be used, but
avoid using a self powered USB hub or extension cable longer than 6ft.
These USB extension devices cannot generate sufficient power to maintain ongoing
communication.
SYNCHRONIZE: Synchronize the Weather Station to the software: Press and hold
the DOWN ARROW until the station beeps. Click the Synchronize button on the
software. The weather station will display ‘SCn-PC’ while trying to connect. Once
connected PC will show on the display. Wait a moment to see the software “come
active” with current data.
WHY DOES USB STICK REQUIRE RESYNC?
If you turn off the PC or the USB ports on the computer are allowed to enter sleep
mode, you will have to resync the weather station to the computer.
WEATHER STATION CANNOT BE FOUND
To repeat the synchronization process, put both the weather station and the
software into synch mode again. Press the down arrow on the display, then click
the Synchronize button on the ‘Synchronize’ message box (on the software).
Please see the HeavyWeather Pro software manual for more synchronization detail.

La Crosse Technology Technical Support, Rev. 1.1 Page 20
PLEASE START WV5 COMMUNICATION SERVICE
Error: Please start the WV5 Communications Service to receive date from the
weather station.
START WV5 SERVICE:
Go to START, CONTROL PANEL, ADMINISTRATIVE TOOLS, SERVICES (not
Component Services).
Scroll down and look for WV5 Communication.
If it is not “started” please 'START' the service.
If it is “started” please “STOP” the service and “RESTART” the service (upper
left of screen).
Go to the software and select EXTRAS, then RESYNCHRONIZE and press an
hold the DOWN ARROW on the display the press the SYNCHRONIZE button
on the software.
HISTORY STORAGE CAPACITY
There is no set limit to the storage capacity for the history.dat file. The obvious
limits are the memory in your PC (32-bit operating systems cannot handle a file
over 2 GB in size) and disk space on the PC.
While a very large file is possible, we do not recommend this as it creates an “eggs
in one basket” situation. We recommend you select logical dividers and make a
new history.dat file at logical intervals –perhaps annually, quarterly, or monthly.
HIGH RAIN SHOWS IN SOFTWARE
PLEASE CHECK THE SOFTWARE VERSION: Updates to the software are at:
http://www.lacrossetechnology.com/support/software.php. Please read the
Release Notes to be sure you have the correct software version for your display.
Spikes in the rain reading on the computer can be caused be radio frequency
interference or loss of signal while connected to the computer.
When the weather station is connected to the computer while loss of signal from
the sensors, or a restart occurs, there can be a spike in rainfall on the computer
history file, (Often 70-80 inches). This can also occur during loss of power or
connection during a storm. Please close the Heavy Weather first when resetting the
weather station and transmitter.