La Crosse Technology Portable Radio WS 9153U IT User Manual

TABLE OF CONTENTS  
Topic  
Inventory of Contents/Additional Equipment  
About WWVB  
WS-9153U-IT  
Wireless 915 MHz  
Radio-controlled Weather Station  
Page  
3
3
4
Quick Set-Up Guide  
Detailed Set-Up Guide  
Battery installation  
Program Mode  
Instruction Manual  
5
Program Sequence and Default Settings  
Function Keys  
6
6
Setting the LCD Contrast  
Setting the Time Zone  
Daylight Saving Time Setting  
Radio-controlled Time Setting  
12/24-hour Time Setting  
Setting the Time  
Setting the Year, Day and Month  
Setting the Snooze  
Setting the Temperature Format  
Setting the Forecast Sensitivity  
Features  
7
7-8  
8
9
9
10-11  
11  
12  
12  
13  
Weather Forecast Icons and Tendency Arrows  
Indoor Temperature, Humidity, & Comfort  
Level Indicator  
14-15  
15-16  
Outdoor Temperatures  
Minimum & Maximum Records (Indoor,  
Outdoor, & Resetting)  
16  
16-17  
Additional Remote Control Sending Units (Set-Up, Viewing,  
& Operation)  
18-19  
Mounting  
Troubleshooting  
Maintenance & Care  
19-21  
22-23  
23  
Specifications  
24  
Warranty Information  
25-26  
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signal continuously throughout the United States at 60 kHz. The signal can be received up to  
2,000 miles away through the internal antenna in the Weather Station. However, due to the  
nature of the Earth’s Ionosphere, reception is very limited during daylight hours. The Weather  
Station will search for a signal every night when reception is best. The WWVB radio station  
derives its signal from the NIST Atomic clock in Boulder, Colorado. A team of atomic physicists  
is continually measuring every second, of every day, to an accuracy of ten billionths of a second  
per day. These physicists have created an international standard, measuring a second as  
9,192,631,770 vibrations of a Cesium-133 atom in a vacuum. For more information on the  
atomic clock and WWVB please see the NIST website at  
This product offers:  
INSTANT TRANSMISSION is the state-  
of-the-art new wireless transmission  
technology, exclusively designed and  
developed  
by  
LA  
CROSSE  
TECHNOLOGY.  
INSTANT  
TRANSMISSION  
offers  
you  
an  
immediate update (every 4 seconds!) of  
all your outdoor data measured from  
the sensors: follow your climatic  
variations in real-time!  
QUICK SET-UP GUIDE  
Hint: Use good quality Alkaline Batteries and avoid rechargeable batteries.  
1. Have the Wireless Weather Station and remote temperature sensor 3 to 5 feet apart.  
2. Batteries should be out of both units for 10 minutes.  
3. Place the batteries into the remote temperature sensor first then into the indoor  
weather station.  
(All remote temperature sensors must be started before the Wireless Weather Station)  
4. DO NOT PRESS ANY BUTTONS FOR 15 MINUTES.  
INVENTORY OF CONTENTS  
1. The Wireless Weather Station/ (Figure 1).  
2. One remote temperature sensor with mounting bracket (Figure 2).  
3. Three each, ½” Philips screws.  
4. One strip double-sided adhesive tape.  
In this time the Wireless Weather Station and remote temperature sensor will start to talk to each  
other and the display will show both the indoor temperature and humidity, and an outdoor  
temperature. If the Wireless Weather Station does not display both temperatures after the 15  
minutes please retry the set up as stated above. After both indoor and outdoor temperatures are  
displayed for 15 minutes you can place your remote temperature sensor outdoor and set your  
time.  
5. Instruction manual and warranty card.  
Figure 1  
Time LCD  
The remote temperature 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  
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.  
Date LCD  
Forecast LCD  
Example: A Wireless Weather Station 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.  
Indoor LCD  
Mounting  
Bracket  
TX29U-IT remote  
temperature sensor  
Outdoor LCD  
Figure 2  
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.  
ADDITIONAL EQUIPMENT (not included)  
1. Two fresh AA 1.5V Alkaline batteries for the Wireless Weather Station.  
2. Two fresh AA 1.5V Alkaline batteries for the remote temperature sensor.  
3. One, Philips screwdriver for mounting.  
To complete the set up of your Wireless Weather Station after the 15 minutes have passed  
please follow the steps that follow in the Detailed Set-Up Guide.  
ABOUT WWVB (Radio Controlled Time)  
The NIST (National Institute of Standards and Technology—Time and Frequency Division)  
WWVB radio station is located in Ft. Collins, Colorado, and transmits the exact time and date  
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VIII.  
TIME SETTING  
There are two methods by which the time and date can be set:  
A) Automatically via WWVB reception, or  
B) Manually.  
8. Press and release the IN button to advance the day.  
9. Press and release the OUT button to advance the month.  
10. Press and release the SET button to confirm and advance to the snooze  
setting.  
A. WWVB (Remote Control Time)  
This method requires you to do nothing, except wait for the signal to be received, and to select a  
time zone. Reception usually takes approximately 10 minutes during optimal conditions. The  
best condition for reception is at night, between midnight and 6:00 am—when there is less  
atmospheric interference. To keep your time as accurate as possible, Wireless Weather Station  
conducts a WWVB search every night between these hours, and overrides any manually set  
time. The WWVB tower icon (appearing in the TIME LCD) will flash when a signal-search is in  
progress and a signal is being received, and will remain steady when the signal has been  
received. If the WWVB time has not been received after 10 minutes of battery installation, you  
may manually set the time or leave the time function alone (reception will occur regardless).  
After a successful reception, no more reception attempt would be made until the following day.  
X.  
SETTING THE SNOOZE  
Note: This is an unused function of the Wireless Weather Station and should be  
disregarded. The setting has no bearing on the operation. Please press and release  
the SET button to advance to select the temperature format.  
XI.  
SELECTING °F OR °C  
1. Press and hold the SET button for 5 seconds.  
2. “LCD” will show in the time LCD and the number setting will flash.  
3. Press and release the SET button nine times.  
4. Either °F” or “°C” will flash in the time LCD.  
B. MANUAL TIME SETTING  
Note: When in the 12-hour format “P.M.” will appear to the left of the hour in the  
time LCD between the hours of noon and midnight.  
1. Press and hold the SET button for 5 seconds.  
2. “LCD” will show in the time LCD and the number setting will flash.  
3. Press and release the SET button five times.  
4. The time will flash in the time LCD.  
5. Press and release the IN button to select the temperature format.  
6. Press and release the SET button to confirm and advance to the forecast  
sensitivity setting.  
XII. SETTING THE FORECAST SENSITIVITY  
Note: The forecast sensitivity can be adjusted to allow for areas that have a  
higher or lower sensitivity to changing air pressure (for example coastal  
areas have more pressure change than areas such as southern Arizona).  
5. Press and release the IN button to advance the hours.  
6. Press and release the OUT button to advance the minutes.  
7. Press and release the SET button to confirm and advance to the year  
setting.  
The numbers correspond to the amount of air pressure change necessary to  
trigger a change in the forecast icon. Areas that tend to have more air  
pressure change would set the sensitivity to 3, while areas that experience  
lower than normal air pressure change would set the sensitivity to 1.  
IX.  
SETTING THE YEAR, DAY AND MONTH  
Note: Reception of the WWVB signal will also set the date and day. The  
reception of the signal will override any programmed date and day.  
1. Press and hold the SET button for 5 seconds.  
2. “LCD” will show in the time LCD and the number setting will flash.  
3. Press and release the SET button ten times.  
1. Press and hold the SET button for 5 seconds.  
2. “LCD” will show in the time LCD and the number setting will flash.  
3. Press and release the SET button six times.  
4. The year will flash in the date LCD.  
4. Either “1”, “2” or “3” will flash in the time LCD.  
5. Press and release the IN button to advance the year.  
6. Press and release the SET button to confirm and advance to the day/month  
setting.  
7. The day and month will flash in the date LCD.  
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10  
Sunny—indicates that the weather is expected to improve (not that the  
weather will be sunny).  
Sun with Clouds—indicates that the weather is expected to be fair (not that  
the weather will be sunny with clouds).  
Clouds with Rain—indicates that the weather is expected to get worse (not  
that the weather will be rainy).  
These icons indicate the expected weather change in the next 12 to 24  
hours. The icon does not give an exact prediction of the weather, however it  
should be viewed as a generalization of the expected weather change (for  
example a “sunny” icon indicates the weather is expected to improve).  
5. Press and release the IN button to select the forecast sensitivity  
6. Press and release the SET button to confirm the forecast sensitivity and  
complete the programming.  
The weather icons change when the unit detects a change in air pressure.  
The icons change in order, from “sunny” to “partly sunny” to “cloudy” or the  
reverse. It will not change from “sunny” directly to “rainy”, although it is  
possible for the change to occur quickly. If the symbols do not change then  
the weather has not changed, or the change has been slow and gradual.  
FEATURES OF THE WS-9153U-IT  
WWVB Tower Icon  
(indicates time  
reception)  
B. WEATHER TENDENCY ARROWS  
Other possible displays in the FORECAST LCD are 2 weather tendency  
arrows, one that points up (on the left side of the LCD) and one that points  
down (on the right side of the LCD). These arrows reflect current changes  
in the air pressure. An arrow pointing up indicates that the air pressure is  
increasing and the weather is expected to improve or remain good, an arrow  
pointing down indicates that the air pressure is decreasing and the weather  
is expected to become worse or remain poor.  
Weather Tendency Arrow  
Forecast icon  
Comfort Level Indicator  
II. INDOOR TEMPERATURE, HUMIDITY, AND COMFORT LEVEL INDICATOR  
The current indoor temperature (viewed on the left) and relative humidity (viewed on  
the right) are displayed in the INDOOR LCD. The comfort level indicator is located at  
the center of the INDOOR LCD. The indicator will display a happy face icon when the  
temperature is between 68°F and 79°F (20°C and 25.9°C), and the humidity is  
between 45% and 65%. A sad face icon will be displayed when the temperature and  
humidity are outside the mentioned ranges.  
Remote Sensor Number  
(Up to 3 Total)  
Satellite icon  
(indicates outdoor  
I. WEATHER FORECAST  
The weather forecasting feature is estimated to be 75% accurate and is for the next 12  
to 24 hours. The weather forecast is based solely upon the change of air pressure  
over time. The WS-9153U-IT averages past air-pressure readings to provide an  
accurate forecast—creating a necessity to disregard all weather forecasting for 12-24  
hours after the unit has been set-up, reset, or moved from one altitude to another (i.e.  
from one floor of a building to another floor). In areas where the weather is not largely  
affected by the change of air pressure, the sensitivity setting should be set to 1.  
A. WEATHER ICONS  
III. OUTDOOR TEMPERATURE  
The temperature received from the remote temperature sensor is viewed in the  
OUTDOOR LCD. When there is more than one remote temperature sensor unit in  
operation, a “boxed” number will appear to the right of the temperature. This indicates  
which remote temperature sensor unit (1, 2, or 3) is currently displaying its data in the  
OUTDOOR LCD. (This feature is explained in further detail in section VAdding  
Remote Temperature Sensors).  
There are 3 possible weather icons that will be displayed in the FORECAST  
LCD:  
IV. MINIMUM AND MAXIMUM TEMPERATURE RECORDS  
The WS-9153U-IT keeps a record of the MINIMUM and MAXIMUM temperature, and  
the time and date of their occurrence—for both the indoor and outdoor modes.  
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The WS-9153U-IT is able to receive signals from 2 additional temperature sensors.  
The following are instructions for the set-up of temperature sensor units with the WS-  
9153U-IT. These extra sensors can be purchased through the same dealer as this  
unit.  
1. Remove all the batteries from the receiver and sensor(s) and wait 60 seconds.  
During these 60 seconds, press any button 20 times to discharge any excess  
power.  
A. VIEWING THE INDOOR TEMPERATURE RECORDS  
1. Press the IN button once. “MIN” appears above the indoor  
temperature and the LCD will flash, indicating that the minimum  
temperature and humidity, and the time and date of occurrence of the  
temperature are displayed. The minimum records will display for 30  
seconds before returning to the normal display mode.  
2. Insert the batteries to the first temperature sensor.  
3. Within 30 seconds of powering up the first sensor, insert the batteries to the  
Weather Station. Once the batteries are in place, all segments of the LCD will  
light up briefly. Following the indoor temperature and humidity, time as 12:00,  
and calendar will be displayed. If they are not shown in LCD after 60 seconds,  
remove the batteries and wait for at least 60 seconds before reinserting them.  
4. The outdoor temperature from the first sensor (channel 1) should then be  
displayed on the Weather Station. If this does not happen and the signal  
reception icon is not shown, after 2 minutes, the batteries will need to be  
removed from both units and reset from step 1.  
5. Insert the batteries to the second sensor as soon as the outdoor temperature  
readings from the first sensor are displayed on the Weather station.  
NOTE: You must insert the batteries into the second sensor within 10  
seconds of reception of the first sensor.  
2. Press the IN button again (once while “MIN” is still displayed, twice  
otherwise). “MAX” appears above the indoor temperature and the LCD  
will flash, indicating that the maximum temperature and humidity, and  
the time and date of occurrence of the temperature are displayed.  
3. While “MAX” is still displayed press the IN button again to return to the  
current data display. Or you can wait 30 seconds, during either the  
minimum or the maximum readings, and the unit will automatically  
return to current data readings.  
B. VIEWING THE OUTDOOR TEMPERATURE RECORDS  
1. Press the OUT button once. “MIN” appears above the outdoor  
temperature and the LCD will flash, indicating that the minimum  
temperature, and the time and date of occurrence are displayed. The  
minimum records will display for 30 seconds before returning to the  
normal display mode.  
2. Press the OUT button again (once while “MIN” is still displayed, twice  
otherwise). “MAX” appears above the outdoor temperature and the  
LCD will flash, indicating that the maximum temperature and the time  
and date of occurrence are displayed.  
6. The outdoor temperature from the second sensor and the "channel 2" icon  
should then be displayed on the Weather Station. If this does not happen after 2  
minute, the batteries will need to be removed from all the units and reset from  
step 1.  
7. Insert the batteries to the third sensor as soon as the "channel 2" icon and  
outdoor data are displayed on the Weather Station. Then within 2 minutes, the  
channel 3 outdoor data from the third sensor will be displayed and the channel  
icon will shift back to "1" once the third sensor is successfully received. If this is  
not happen, user shall restart the setting up from step 1.  
NOTE: You must insert the batteries into the third sensor within 10  
seconds of reception of the second sensor.  
IMPORTANT: Transmission problems will arise if the setting for multiple  
sensors is not followed as described above. Should transmission problems  
occur, it is necessary to remove the batteries from all units and start again  
the set-up from step 1.  
3. While “MAX” is still displayed press the OUT button again to return to  
the current data display. Or you can wait 30 seconds, during either the  
minimum or the maximum readings, and the unit will automatically  
return to current data readings.  
VI. VIEWING AND OPERATING WITH MULTIPLE REMOTE TEMPERATURE  
SENSOR UNITS  
C. RESETTING THE MIMIMUM AND MAXIMUM RECORDS  
1. All the Indoor records (minimum and maximum) will be reset after the  
IN button is pressed and held for 5 seconds.  
2. All the Outdoor records (minimum and maximum) will be reset after the  
OUT button is pressed and held for 5 seconds.  
1. To view the temperature of a different remote temperature sensor unit,  
press and release the CH button. A shift from one “boxed” number to the  
next should be observed in the OUTDOOR LCD.  
2. To view the Minimum/Maximum temperature: first select which remote  
temperature sensor to read data from (indicated by the “boxed” number),  
then press the OUT button. Pressing this button once will display the  
minimum temperature, and the date and time the data was recorded.  
V. ADDING REMOTE TEMPERATURE SENSORS (OPTIONAL)  
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Pressing this button a second time (while “MIN” is still displayed, otherwise  
press the button twice) will display the same data for the maximum  
recordings.  
5) Position the remote temperature sensor in the desired  
location, ensuring that the Wireless Weather Station can  
receive the signal.  
6. To reset the Minimum/Maximum readings, it is necessary to select which  
remote temperature sensor you wish to reset. Press and hold the OUT  
button for 5 seconds, the records for the selected remote temperature  
sensor unit will be reset.  
Note: The adhesive tape is not intended to be used as a permanent mounting  
solution. Only use the adhesive tape while you are positioning the Weather Station  
and thermo-hygro sensor.  
MOUNTING  
Note: Before permanently mounting ensure that the Wireless Weather Station is able  
to receive WWVB signals from the desired location. Also, extreme and sudden  
changes in temperature will decrease the accuracy of the Wireless Weather Station,  
and changes in elevation will result with inaccurate weather forecasting for the next 12  
to 24 hours. These changes will require a 12 to 24 hour wait before obtaining reliable  
data. To achieve a true temperature reading, avoid mounting where direct sunlight can  
reach the remote temperature sensor or Wireless Weather Station. While the remote  
temperature sensor is weather proof, avoid submersion in water or snow. We  
recommend that you mount the remote temperature sensor on an outside North-facing  
wall. The sending range is 330ft—obstacles such as walls, concrete, and large metal  
objects can reduce the range. Place both units in their desired location, and wait  
approximately 15 minutes before permanently mounting to ensure that there is proper  
reception. The Wireless Weather Station should display a temperature in the  
OUTDOOR LCD within 4 minutes of setting up.  
Note: Mounting with adhesive tape is not recommended as a permanent mounting solution.  
Only use the adhesive tape during set-up process.  
II. THE WIRELESS WEATHER STATION  
The Wireless Weather Station can be mounted in two ways:  
with the table stand or,  
on the wall with the use of a wall hanging screw (not included).  
A. USING THE TABLE STAND  
The Wireless Weather Station comes with the table stand  
already mounted. If you wish to use the table-stand all that is  
required is to place the Wireless Weather Station in an  
appropriate location.  
I. THE REMOTE TEMPERATURE SENSOR  
The remote temperature sensor can be mounted in two ways:  
with the use of screws, or  
using the adhesive tape.  
B. WALL MOUNTING  
1) Remove the table-stand. To do this, pull down on the stand  
from the rear and rotate forward.  
A. MOUNTING WITH SCREWS  
1) Remove the mounting bracket from the remote temperature  
sensor.  
2) Place the mounting bracket over the desired location.  
3) Through the three screw holes of the bracket, mark the  
mounting surface with a pencil.  
4) Screw mounting bracket onto the mounting surface. Ensure  
that the screws are flush with the bracket.  
2) Fix  
a
screw (not included) into the desired wall, leaving  
approximately 3/16 of an inch (5mm) extended from the wall.  
3) Place the Wireless Weather Station onto the screw using the  
hanging hole on the backside.  
4) Gently pull the Wireless Weather Station down to lock the  
screw into place.  
5) Insert the remote temperature sensor into the bracket.  
TROUBLESHOOTING  
NOTE: For problems not solved, please contact La Crosse Technology.  
B. MOUNTING WITH ADHESIVE TAPE  
1) With a nonabrasive solution, clean and dry the back of the  
mounting bracket and the mounting surface to ensure a  
secure hold. The mounting surface should be smooth and  
flat.  
2) Remove the protective strip from one side of the tape.  
3) Adhere the tape to the designated area on the back of the  
mounting bracket.  
Problem: No reception of WWVB time signal.  
Solution: 1) Wait overnight for signal.  
2) Be sure Weather Station is at least 6 feet from any electrical devices, such as  
televisions, computers, or other radio-controlled clocks.  
3) Remove batteries for five minutes, reinsert and leave the unit alone overnight  
without pressing buttons.  
4) If there are still problems, contact La Crosse Technology  
4) Remove the protective strip from the other side of the tape.  
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Problem: Hour is incorrect (minute and date are correct)  
Indoor Humidity checking interval:  
Every 15 seconds.  
Solution: Be sure correct time zone and daylight saving time settings are selected.  
Outdoor Temperature checking interval Every 4 seconds  
(Remote Temperature Sensor):  
Problem: The LCD is faint  
Solution: 1) Set the LCD contrast to a higher number  
2) Replace batteries  
Outdoor Temperature reception  
(Weather Station):  
Transmission Range:  
Every 4 seconds.  
330 feet (in open space).  
Power Supply:  
Weather Station:  
Problem: No outdoor temperature is displayed.  
Solution: 1) Remove all batteries, reinsert into sender first, then display.  
2) Place remote sender closer to display.  
2 x AA, IEC LR6, 1.5V.  
2 x AA, IEC LR6, 1.5V.  
Approximately 24 months.  
Alkaline.  
Remote Temperature Sensor:  
Battery life cycle:  
Recommended battery type:  
Dimensions (L x W x H)  
Weather Station (without stand):  
3) Be sure all batteries are fresh.  
4) Place Remote Control Sender and Weather Station in position so the straight-line  
signal is not passing through more than two or three walls.  
6.29“ x 3.62“ x 1.19“ (160 x 92 x 30.7 mm)  
5.05” x 1.50” x 0.83” (128.3 x 38.2 x 21.2 mm)  
Remote Temperature Sensor:  
Problem: Temperatures do not match if units are placed next to each other.  
Solution: Each temperature sensor is manufactured to be accurate to within 2ºF plus or minus  
and under normal conditions, so two sensors could be as much as 4ºF different.  
However, the difference can be exaggerated further because the sensors are  
designed for different working environments. The indoor sensor is less responsive to  
ambient air currents because of the shielding effect of the display's case. In addition,  
the case can act as a heat sink to absorb and store heat from external sources (i.e.  
handling of the case or radiant heat). Also, the much greater range of the outdoor  
temperature sensor requires a different calibration curve than the indoor range. Error  
is usually greater at the extreme ends of a range, making it harder to compare  
different ranges with different curves. Under non-laboratory conditions, it is difficult to  
compensate for the above factors and obtain an accurate comparison.  
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.  
MAINTENANCE AND CARE INSTRUCTIONS  
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 Technology, Ltd  
will pay ground return shipping charges to the owner of the product to a USA address only.  
Extreme temperatures, vibration, and shock should be avoided to prevent  
damage to the units.  
Clean displays and units with a soft, damp cloth. Do not use solvents or scouring  
agents; they may mark the displays and casings.  
Do not submerge in water.  
Immediately remove all low powered batteries to avoid leakage and damage.  
Opening the casings invalidates the warranty. Do not try to repair the unit.  
Contact La Crosse Technology for repairs.  
SPECIFICATIONS  
Temperature measuring range:  
Indoor:  
14.1°F to 139.8°F with 0.2°F resolution.  
(-9.9°C to 59.8°C with 0.1°C resolution) “OFL”  
displayed if outside this range.  
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  
Outdoor:  
-39.8 °F to 139.8°F with 0.2°F resolution.  
(-39.8°C to 59.8°C with 0.1°C resolution). “OFL”  
displayed if outside this range.  
Indoor relative humidity measuring  
range:  
1% to 99% with 1% resolution. (Display “- -“ if  
temperature is OL.F; display “- -“ if < 1% and “99%”  
if > 99%)  
Indoor Temperature checking interval:  
Every 10 seconds.  
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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.  
Statement according to FCC part 15.21:  
Modifications not expressly approved by this company could void the user's authority to operate  
the equipment.  
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.  
Statement according to FCC part 15.105:  
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital  
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable  
protection against harmful interference in a residential installation. This equipment generates,  
uses and can radiate radio frequency energy and, if not installed and used in accordance with  
the instructions, may cause harmful interference to radio communications.  
However, there is no guarantee that interference will not occur in a particular installation. If this  
equipment does cause harmful interference to radio or television reception, which can be  
determined by turning the equipment off and on, the user is encouraged to try to correct the  
interference by one or more of the following measures:  
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.  
For warranty work, technical support, or information contact:  
Reorient or relocate the receiving antenna.  
La Crosse Technology  
2809 Losey Blvd. S.  
La Crosse, WI 54601  
Phone: 608.782.1610  
Fax: 608.796.1020  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is  
connected.  
Consult the dealer or an experienced radio/TV technician for help  
e-mail:  
(warranty work)  
(information on other products)  
web:  
Questions? Instructions? 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.  
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.  
FCC ID: OMOTX29U (sensor)  
RF Exposure mobile:  
The internal / external antennas used for this mobile sensor must provide a separation distance  
of at least 20 cm (8 inches) from all persons and must not be co-located or operating in  
conjunction with any other antenna or sensor."  
Statement according to FCC part 15.19:  
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two  
conditions: (1) this device may not cause harmful interference, and (2) this device must accept  
any interference received, including interference that may cause undesired operation.  
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