La Crosse Technology Portable Radio WS 7138U User Manual

WS-7138U  
Wireless 433 MHz  
Wireless Weather Station  
Instruction Manual  
 
INVENTORY OF CONTENTS  
1. The indoor weather station (Figure 1).  
2. One remote temperature/humidity sensor with mounting bracket (Figure 2).  
3. Three each, ½” Philips screws.  
4. One strip double-sided adhesive tape.  
5. Instruction manual and warranty card.  
Figure 2  
Figure 1  
Battery  
compartment  
Battery cover  
ADDITIONAL EQUIPMENT (not included)  
1. Two fresh AAA 1.5V batteries (for indoor weather station)  
2. Two fresh AAA 1.5V batteries (for temperature/humidity sensor)  
3. One Philips screwdriver  
4. One Standard screwdriver  
3
 
QUICK SET-UP GUIDE  
Hint: Use good quality Alkaline Batteries and avoid rechargeable batteries.  
1. Have the indoor weather station and remote temperature/humidity  
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/humidity sensor first  
then into the indoor weather station.  
(All outdoor remotes must be started before the indoor station)  
4. DO NOT PRESS ANY BUTTONS FOR 15 MINUTES.  
In this time the indoor weather station and remote temperature/humidity sensor will  
start to talk to each other and the display will show the indoor temperature and  
humidity. If the indoor weather station does not display all information after the 15  
minutes please retry the set up as stated above. After all information has been  
displayed for 15 minutes you can place your sensor outdoors and set your time.  
The remote temperature/humidity sensor should be placed in a dry, shaded area. The  
remote temperature/humidity sensor has a range of 80 feet. Any walls that the signal  
will have to pass through will reduce distance. An outdoor wall or window can have  
up to 30 feet of resistance and an interior wall can have up to 20 feet of resistance.  
Your distance plus resistance should not exceed 80 ft. in a straight line.  
Note: Fog and mist will not harm your remote temperature/humidity sensor but  
direct rain must be avoided.  
Note: The remote temperature/humidity sensor transmits a signal every minute.  
After the batteries have been installed, the indoor weather station will search for the  
signal for a duration of 15 minutes. If there is no temperature and humidity reading  
in the TEMPERATURE/HUMIDITY LCD after 15 minutes, make sure the units are  
within range of each other, or repeat the battery installation procedure. If a button is  
pressed before the indoor weather station receives the temperature/humidity signal,  
you will need to follow the battery installation procedure again.  
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.  
4
 
DETAILED SET-UP GUIDE  
I. BATTERY INSTALLATION  
A. REMOTE TEMPERATURE/HUMIDITY SENSOR  
1. Remove the remote temperature/humidity  
sensor from the mounting bracket.  
2. Remove the screw from the back of the  
remote temperature/humidity sensor that  
secures the battery cover door.  
3. Remove the battery cover door from the back  
of the remote temperature/humidity sensor.  
4. Observe the correct polarity and insert two  
AAA batteries.  
5. Replace the battery cover and re-insert the  
screw into the back of the remote temperature/humidity  
sensor.  
B. INDOOR WEATHER STATION  
1. Remove the battery cover. To  
do this, insert a solid object in  
the space provided at the  
lower-central position of the  
battery cover, then push up  
and pull out on the battery  
cover.  
2. Observe the correct polarity  
and insert 2 AAA batteries.  
3. Replace the battery cover.  
Note: Immediately after the batteries have been installed, the  
LCD (Liquid Crystal Display) will flash, and all segments will  
display. Within a few seconds the indoor temperature, indoor  
relative humidity will be displayed. If not, remove batteries for 10  
seconds and reinstall. If the outdoor temperature is not displayed  
within five minutes, remove batteries from both units, wait 30  
5
 
seconds, and reinstall making sure to install batteries into the  
remote temperature/humidity sensor first.  
PROGRAM MODE  
Programming Note: If 30 seconds is allowed to pass, or the IN/OUT,  
SET/CH button is pressed during the programming mode, the unit will  
confirm/set the last information entered—the display will stop flashing and  
return to normal time-date readings. If you don’t leave the program mode  
during the programming of sections IV through VI, you can advance to step  
4 of the next program setting. If you do leave the program setting (or want  
to program a specific setting) follow each instructional step to program that  
setting.  
I.  
PROGRAMMING SEQUENCE AND DEFAULT SETTINGS  
The programming sequence and default (factory) settings are as  
follows:  
Temperature Format  
12/24-hour time  
Time  
Year  
Date and Month  
°F  
12  
12:00  
2003  
1.1.  
6
 
II. FUNCTION KEYS  
The function buttons are located directly below the LCD display. The  
function of each button is as described below:  
IN/OUT, SET/CH  
o
Press for approximately three seconds to enter the  
setting mode.  
o
Use to enter the setting mode for the following  
settings:  
ƒ
ƒ
ƒ
ƒ
ƒ
Temperature Unit  
12hr/24hr time display  
Time  
Year  
Date  
o
o
Use to confirm setting and move to next setting mode  
in the set up sequence.  
Toggle between indoor temperature and  
humidity/outdoor temperature and humidity data.  
MIN/MAX, +  
o
o
o
Use to change the value in the setting mode.  
Display the current date and indoor min/max record.  
Display the current date and outdoor min/max record.  
7
 
III. SELECTING °F OR °C  
1. Press and hold the IN/OUT, SET/CH button for 3 seconds.  
2. Either °F” or “°C” will flash in the time/date LCD.  
3. Press and release the MIN/MAX, + button to select the temperature  
format.  
4. Press and release the IN/OUT, SET/CH button to confirm and  
advance to the 12hr/24hr time display setting.  
IV. 12 OR 24 HOUR TIME SETTING  
1. Press and hold the IN/OUT, SET/CH button for 3 seconds.  
2. Either °F” or “°C” will flash in the time/date LCD.  
3. Press and release the IN/OUT, SET/CH button one time.  
4. “12h” or “24h” will flash in the time/date LCD.  
8
 
5. Press and release the MIN/MAX, + button to select 12 or 24-hour  
time format.  
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.  
6. Press and release the IN/OUT, SET/CH button to confirm and  
advance to the time setting.  
V. 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 IN/OUT, SET/CH button for 3 seconds.  
2. Either °F” or “°C” will flash in the time/date LCD.  
3. Press and release the IN/OUT, SET/CH button two times.  
4. The hours digits will flash in the time/date LCD.  
5. Press and release the MIN/MAX, + button to advance the hours.  
6. Press and release the IN/OUT, SET/CH button to advance to the  
minutes setting.  
7. Press and release the MIN/MAX, + button to advance the minutes.  
8. Press and release the IN/OUT, SET/CH button to confirm and  
advance to the year setting.  
9
 
VI. SETTING THE YEAR, DATE AND MONTH  
1. Press and hold the IN/OUT, SET/CH button for 3 seconds.  
2. Either °F” or “°C” will flash in the time/date LCD.  
3. Press and release the IN/OUT, SET/CH button four times.  
4. The year will flash in the time/date LCD.  
5. Press and release the MIN/MAX/ + button to advance the year.  
6. Press and release the IN/OUT, SET/CH button to confirm and  
advance to the date setting.  
7. The date and month will flash in the time/date LCD.  
8. Press and release the MIN/MAX/+ button to advance the day.  
9. Press and release the IN/OUT, SET/CH button to confirm and  
advance to the month setting.  
10. Press and release the MIN/MAX/ + button to advance the month.  
10  
 
11. Press and release the IN/OUT, SET/CH button to confirm the  
settings and exit the setting mode.  
FEATURES OF THE WS-7138U  
Humidity Level Bar Graph  
Maximum Readings  
Indoor  
Readings  
Indicator  
Outdoor Readings  
Minimum Readings  
Remote  
Sensor  
Reception  
Icon  
Comfort  
Remote Temp/Humidity  
Sensor Channel Indicator  
I. INDOOR TEMPERATURE, HUMIDITY, AND COMFORT LEVEL  
INDICATOR  
The current indoor temperature (viewed on the left) and relative  
humidity (viewed on the right) is displayed in the  
TEMPERATURE/HUMIDITY portion of the LCD.  
o
The current indoor humidity is also displayed in the bar graph  
at the top of the LCD.  
The comfort level indicator is located at the center of the  
TEMPERATURE/HUMIDITY display.  
o
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%.  
o
A sad face icon will be displayed when the temperature and  
humidity are outside the mentioned ranges.  
11  
 
II. OUTDOOR TEMPERATURE AND HUMIDITY  
The temperature received from the remote temperature/humidity  
sensor is displayed in the TEMPERATURE/HUMIDITY portion  
of the LCD.  
o
The current outdoor humidity is also displayed in the bar  
graph at the top of the LCD.  
When there is more than one remote sensor unit in operation, a  
“boxed” number will appear underneath the temperature/humidity.  
o
This number indicates which remote sensor unit (1, 2, or 3) is  
currently displaying its data. (This feature is explained in  
further detail in section IVAdding Remote  
Temperature/Humidity Sensors).  
III. MINIMUM AND MAXIMUM TEMPERATURE RECORDS  
The WS-7138U keeps a record of the MINIMUM and MAXIMUM  
temperature and humidity as well as the time and date of their occurrence—  
for both the indoor and outdoor modes.  
A. VIEWING THE INDOOR TEMPERATURE/HUMIDITY  
RECORDS  
Note: When recalling the indoor temperature/humidity records the  
temperature records (maximum, then minimum) will be displayed  
followed by the humidity records (maximum, then minimum).  
Note: If no button is pressed for approximately 15 seconds while  
viewing any MIN/MAX record the display will return to the normal  
display mode, showing the current time and temperature/humidity.  
Note: While viewing any of the MIN/MAX records, pressing the  
IN/OUT, SET/CH button will reset the record to the current time and  
date.  
12  
 
1. Press the MIN/MAX/ + button once.  
2. The display will now show the Date and Month at the bottom  
of the LCD.  
3. Press and release the MIN/MAX/ + button.  
4. “MAX” appears above the temperature and the temperature  
flashes.  
a. The time of the maximum temperature reading is  
displayed in the time/date portion of the LCD.  
5. Press and release the MIN/MAX/ + button.  
6. “MAX” remains above the temperature and the temperature  
remains flashing.  
a. The date of the maximum temperature reading is now  
displayed in the time/date portion of the LCD.  
7. Press and release the MIN/MAX/ + button.  
8. “MIN” appears above the temperature and the temperature  
flashes.  
a. The time of the minimum temperature reading is  
displayed in the time/ date portion of the LCD.  
9. Press and release the MIN/MAX/ + button.  
10.“MIN” remains above the temperature and the temperature  
remains flashing.  
a. The date of the minimum temperature reading is  
displayed in the time/ date portion of the LCD.  
11.Press and release the MIN/MAX/ + button.  
12.“MAX” appears above the temperature and the humidity and  
bar graph flash.  
a. The time of the maximum humidity reading is displayed  
in the time/date portion of the LCD.  
13.Press and release the MIN/MAX/ + button.  
14.“MAX” remains above the temperature and the humidity and  
bar graph remain flashing.  
a. The date of the maximum humidity reading is displayed  
in the time/ date portion of the LCD.  
15.Press and release the MIN/MAX/ + button.  
16.“MIN” appears above the temperature and the humidity and bar  
graph flashes.  
a. The time of the minimum humidity reading is displayed  
in the time/ date portion of the LCD  
17.Press and release the MIN/MAX/ + button.  
13  
 
18.“MIN” remains above the temperature and the humidity and  
bar graph remain flashing  
a. The date of the minimum humidity reading is displayed  
in the time/ date portion of the LCD  
19.Press and release the MIN/MAX/ + button to exit the indoor  
MIN/MAX mode.  
B. VIEWING THE OUTDOOR TEMPERATURE/HUMIDITY  
RECORDS  
Note: When recalling the indoor temperature/humidity records the  
temperature records (maximum, then minimum) will be displayed  
followed by the humidity records (maximum, then minimum).  
Note: If no button is pressed for approximately 15 seconds while  
viewing any MIN/MAX record the display will return to the normal  
display mode, showing the current time and temperature/humidity.  
Note: While viewing any of the MIN/MAX records, pressing the  
IN/OUT, SET/CH button will reset the record to the current time and  
date.  
Note: When using multiple sensors, first select the remote sensor that  
you wish to see the MIN/MAX data for before continuing.  
1. Press the MIN/MAX/ + button once.  
2. The display will now show the Date and Month at the bottom  
of the LCD.  
3. Press and release the MIN/MAX/ + button.  
4. “MAX” appears above the temperature and the temperature  
flashes.  
a. The time of the maximum temperature reading is  
displayed in the time/date portion of the LCD.  
5. Press and release the MIN/MAX/ + button.  
6. “MAX” remains above the temperature and the temperature  
remains flashing.  
a. The date of the maximum temperature reading is now  
displayed in the time/date portion of the LCD.  
7. Press and release the MIN/MAX/ + button.  
14  
 
8. “MIN” appears above the temperature and the temperature  
flashes.  
a. The time of the minimum temperature reading is  
displayed in the time/ date portion of the LCD.  
9. Press and release the MIN/MAX/ + button.  
10. “MIN” remains above the temperature and the temperature  
remains flashing.  
a. The date of the minimum temperature reading is  
displayed in the time/ date portion of the LCD.  
11. Press and release the MIN/MAX/ + button.  
12. “MAX” appears above the temperature and the humidity and  
bar graph flash.  
a. The time of the maximum humidity reading is displayed  
in the time/date portion of the LCD.  
13. Press and release the MIN/MAX/ + button.  
14. “MAX” remains above the temperature and the humidity and  
bar graph remain flashing.  
a. The date of the maximum humidity reading is displayed  
in the time/ date portion of the LCD.  
15. Press and release the MIN/MAX/ + button.  
16. “MIN” appears above the temperature and the humidity and  
bar graph flashes.  
a. The time of the minimum humidity reading is displayed  
in the time/ date portion of the LCD  
17. Press and release the MIN/MAX/ + button.  
18. “MIN” remains above the temperature and the humidity and  
bar graph remain flashing  
a. The date of the minimum humidity reading is displayed  
in the time/ date portion of the LCD  
19. Press and release the MIN/MAX/ + button to exit the indoor  
MIN/MAX mode.  
C. RESETTING THE MIMIMUM AND MAXIMUM  
RECORDS  
While viewing any of the MIN/MAX records, pressing the  
IN/OUT, SET/CH button will reset only the record being viewed to  
the current time and date.  
15  
 
IV. ADDING REMOTE TEMPERATURE/HUMIDITY SENSORS  
(OPTIONAL)  
The WS-7138U is able to receive signals from 2 different remote  
temperature/humidity sensors. The remote temperature/humidity sensor  
model(s) that you choose will come with their own set of instructions—  
follow these instructions for a complete guide to setting up. Following are  
some brief instructions for the basic set-up of remote temperature/humidity  
sensor units with the WS-7138U. These extra sensors can be purchased  
through the same dealer as this unit, or by contacting La Crosse Technology  
directly. A TX6U will monitor temperature only, a TX4U will monitor the  
temperature and humidity, a TX7U will monitor the temperature and  
humidity and display those values on a built in display, a TX3U will  
monitor temperature and display the temperature on its LCD, and the  
TX3UP will monitor the temperature via a probe for use in pools, spas, etc.  
Note: When setting up multiple units it is important to remove the batteries  
from all existing units in operation, then to insert batteries first into all the  
remote temperature/humidity sensor units, and in numeric sequence.  
Second install batteries into the indoor weather station. Transmission  
problems will arise if this is not done correctly and if the total time for set-  
up exceeds 6 minutes.  
A. SET-UP OF MULTIPLE UNITS  
1. It is necessary to remove the batteries from all units currently  
in operation.  
2. Remove the battery covers to all remote temperature/humidity  
sensor units.  
3. Place all remote temperature/humidity sensor units in a  
numeric sequential order.  
4. In sequential order, install batteries (follow the same battery  
installation procedures seen in section I. A) of the Detailed  
Set-Up Guide).  
16  
 
5. Install batteries into the indoor weather station.  
6. Follow the Detailed Set-Up Guide for programming and  
operating instructions.  
B. VIEWING AND OPERATING WITH MULTIPLE  
REMOTE TEMPERATURE SENSOR UNITS  
1. To view the temperature of a different remote  
temperature/humidity sensor unit, press and release the  
IN/OUT, SET/CH button. A shift from one “boxed” number  
to the next should be observed just below the temperature and  
humidity display.  
2. To view the minimum/maximum temperature/humidity: first  
select which remote temperature/humidity sensor to read data  
from (indicated by the “boxed” number), then follow the steps  
listed on page 14 – 15 in the “Viewing The Outdoor  
Temperature/Humidity Records” section.  
1. To reset the minimum/ maximum readings, it is necessary to  
select which remote temperature/ humidity sensor you wish to  
reset. Next select the minimum or maximum record that you  
wish to reset. Finally press and release the IN/OUT, SET/CH  
button to reset the selected record.  
MOUNTING  
Note: Before permanently mounting ensure that the indoor weather station  
is able to receive signals from remote temperature/humidity sensors at the  
desired location. Also, extreme and sudden changes in temperature will  
decrease the accuracy of the indoor weather station. To achieve a true  
temperature reading, avoid mounting where direct sunlight can reach the  
remote temperature/ humidity sensor or indoor weather station. While the  
remote temperature/ humidity sensor is weather proof, avoid submersion in  
water or snow. We recommend that you mount the remote temperature/  
humidity sensor on an outside North-facing wall. The sending range is  
80ft—obstacles such as walls, concrete, and large metal objects will 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 indoor weather station should display a temperature/  
17  
 
humidity reading in the temperature/ humidity portion of the LCD within 4  
minutes of setting up.  
I. THE REMOTE TEMPERATURE/HUMIDITY SENSOR  
The remote temperature/humidity sensor can be mounted in three  
ways:  
Mounting with screws  
Mounting with adhesive tape  
Using the bracket as a stand  
A. MOUNTING WITH SCREWS  
1. Remove the mounting bracket from the remote  
temperature/humidity sensor.  
2. Place the mounting bracket over the desired  
location.  
3. Through the 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.  
5. Insert the remote temperature/humidity sensor into  
the bracket.  
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.  
4. Remove the protective strip from the other side of  
the tape.  
18  
 
5. Position the remote temperature/humidity sensor in  
the desired location, ensuring that the indoor  
weather station can receive the signal.  
C. MOUNTING USING THE STAND  
The mounting bracket can be used as a stand by simply  
attaching the bracket to the bottom of the temperature/  
humidity sensor. Once snapped in place the sensor can  
then be placed on a shelf, table or other surface where  
the temperature and humidity measurements are  
desired.  
II. THE INDOOR WEATHER STATION  
The indoor weather station can be mounted in two ways:  
with the table stand  
on the wall with the use of a wall hanging screw (not  
included).  
A. USING THE TABLE STAND  
The indoor 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 indoor weather station in  
an appropriate location.  
B. WALL MOUNTING  
1. Remove the table-stand. To do this, pull down on  
the stand from the rear and rotate forward.  
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 indoor weather station onto the screw  
using the hanging hole on the backside.  
19  
 
4. Gently pull the indoor weather station down to  
lock the screw into place.  
TROUBLESHOOTING  
NOTE: For problems not solved, please contact La Crosse Technology.  
Problem: The LCD is faint  
Solution: Replace the batteries  
Problem: No outdoor temperature/ humidity is displayed.  
Solution: 1) Remove all batteries, reinsert into remote temperature/humidity sensor first, then  
into the indoor weather station.  
2) Place remote temperature/humidity sensor closer to indoor weather station.  
3) Be sure all batteries are fresh.  
4) Place remote temperature/humidity sensor and indoor weather station in position  
so the straight-line signal is not passing through more than two or three walls.  
Problem: Temperatures do not match if units are placed next to each other.  
Solution: Each temperature sensor is manufactured to be accurate to within 1 degree plus or  
minus and under normal conditions, so two sensors could be as much as 2 degrees  
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.  
MAINTENANCE AND CARE INSTRUCTIONS  
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.  
20  
 
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:  
14.2°F to 122.0°F with 0.2°F resolution  
(-9.9°C to 50.0°C with 0.1°C resolution)  
“OFL” displayed if outside this range  
-21.8°F to 157.8°F with 0.1°F resolution (-  
29.9°C to 69.9°C with 0.1°C resolution)  
“OFL” displayed if outside this range  
1% to 99% with 1% resolution  
“- -” displayed if outside this range  
Every 10 seconds  
Every 10 seconds  
Outdoor:  
Relative humidity measuring range:  
(Indoor and Outdoor)  
Indoor temperature checking interval:  
Indoor humidity checking interval:  
Outdoor temperature and humidity  
checking interval (remote  
Every 1 minute  
temperature/humidity sensor):  
Outdoor Temperature and humidity  
reception (indoor weather station):  
Transmission Range:  
Every 5 minutes  
80 feet (in open space)  
Power Supply:  
Indoor weather station:  
Remote temperature/humidity sensor:  
Battery life cycle:  
2 x AAA, IEC LR6, 1.5V.  
2 x AA, IEC LR3, 1.5V  
Approximately 12 months  
Alkaline  
Recommended battery type:  
Dimensions (H x W x D)  
4.13 x 3.54 x 0.84  
(105 x 90 x 21.5 mm)  
6.3” x 2.95” x 2.2”  
(160 x 75 x 55mm)  
Indoor weather station (without stand):  
Remote temperature/humidity sensor:  
(excluding wall bracket)  
21  
 
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  
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  
22  
 
PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP OUT OF  
CHILDREN’S REACH.  
This warranty gives you specific legal rights. You may also have other rights specific  
to your State. Some States do no allow the exclusion of consequential or incidental  
damages therefore the above exclusion of limitation may not apply to you.  
For warranty work, technical support, or information contact:  
La Crosse Technology  
2809 Losey Blvd. S.  
La Crosse, WI 54601  
Phone: 608.782.1610  
Fax: 608.796.1020  
e-mail:  
(warranty work)  
(information on other products)  
web:  
FCC DISCLAIMER  
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.  
(2) This device must accept any interference received, including interference that may  
cause undesired operation.  
FCC ID: OMO-01RX (Receiver), OMO-01TX (sensor)  
Freq. 433.92 MHz  
La Crosse Technology  
Made in China  
WS-7138U  
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.  
23  
 

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