La Crosse Technology Portable Radio WS 7168U User Manual

WS-7168U  
Wireless 433 MHz  
Radio-controlled Weather Station  
Instruction Manual  
 
INVENTORY OF CONTENTS  
1. The WS-7168U weather station (Figure 1).  
2. One TX6U remote temperature sensor (Figure 2).  
3. Mounting hardware  
4. Instruction manual and warranty card.  
Figure 2  
Figure 1  
Time and  
Date LCD  
Forecast LCD  
Indoor LCD  
Outdoor LCD  
TX6U temperature  
sensor  
Mounting  
Bracket  
ADDITIONAL EQUIPMENT (not included)  
1. Two fresh AA 1.5V batteries for the weather station.  
2. Two fresh AA 1.5V batteries for the remote temperature sensor.  
3. One Philips screwdriver for mounting.  
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  
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  
3
 
QUICK SET-UP GUIDE  
Hint: Use good quality Alkaline Batteries and avoid rechargeable batteries.  
1. Have the indoor 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 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 sensor will start to  
talk to each other and the display will show the indoor temperature, humidity and an  
outdoor temperature. 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 sensor should be placed in a dry, shaded area. The remote  
temperature 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 sensor but direct rain  
must be avoided.  
Note: The remote temperature 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 reading in the OUTDOOR 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 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  
BATTERY INSTALLATION  
A. REMOTE TEMPERATURE SENSOR  
1. Remove the mounting bracket.  
bracket snaps on and off easily.  
2. Remove the battery cover, by sliding the  
cover down.  
The  
Battery  
Cover  
3. Observing the correct polarity install 2  
AA batteries. The batteries will fit tightly  
(to avoid start-up problems make sure  
they do not spring free).  
4. Replace the battery cover by sliding upwards. Be sure battery  
cover is on securely.  
B. INDOOR WEATHER STATION  
1. Remove the battery cover. To  
Battery  
Cover  
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 install 2 AA batteries.  
3. Replace the battery cover.  
Note: Immediately after the batteries have been installed, the LCD  
(Liquid Crystal Display) will flash. Within 15 seconds the indoor  
temperature, indoor relative humidity, and the weather icons (sun and  
clouds) will be displayed. If not, remove batteries for 10 seconds and  
reinstall. If the outdoor temperature is not displayed within four minutes,  
remove batteries from both units, wait 30 seconds, and reinstall making  
sure to install batteries into the remote temperature sensor first. The time  
will show -:-- and start searching for the WWVB signal. If it successfully  
receives the time signal (usually at night), it will display the correct time  
(default time-zone is Eastern). You will need to adjust the time zone to  
match your local time.  
5
 
PROGRAM MODE  
Programming Note: If 30 seconds is allowed to pass, or the 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 XI, 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:  
LCD Contrast  
5
Time Zone  
-5 (Eastern)  
1 (on)  
ON  
Daylight Saving Time  
Radio-controlled time reception  
12/24-hour time  
Time  
Year  
Day and Month  
12  
12:00  
2003  
1.1.  
Snooze (this function not used)  
Temperature Format  
Forecast Sensitivity  
10  
°F  
2
Please note that while there is a snooze adjustment in the programming this  
is an unused function as there is no alarm on the indoor weather station.  
II. FUNCTION KEYS  
The function keys are located on the front of the unit directly below the  
LCD.  
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III. SETTING THE LCD CONTRAST  
1. Press and hold the SET button for 5 seconds.  
2. “LCD” will show in the time LCD and the number setting  
will flash.  
Note: There are 8 LCD contrast levels to choose from—“Lcd 0” is  
the lightest, and “Lcd 7” is the darkest.  
3. Press and release the IN button to select the level you desire.  
4. Press and release the SET button to confirm and advance to  
the Time Zone setting.  
IV. TIME ZONE SETTING  
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 again.  
4. The time zone will flash (located to the right of the time).  
5. Press and release the IN button to select your time zone.  
Note: When a time zone for the U.S. is selected the corresponding  
abbreviation will appear above the time (please see the table on the  
next page). It is possible to select any time zone from –12 GMT to  
+12 GMT (for example to see the time in another country)  
7
 
TIME ZONES  
GMT  
0
-4  
-5  
-6  
-7  
-8  
-9  
-10  
Atlantic  
EST;  
Eastern  
Central  
Mountain  
Pacific  
CST;  
MST;  
PST;  
ALA;  
HAW;  
Alaska  
Hawaii  
6. Press and release the SET button to confirm and advance to  
the Daylight Saving Time setting.  
V. DAYLIGHT SAVING TIME (DST) SETTING  
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 twice.  
4. “DST” will appear to the right of the time and either “1” or  
“0” will flash.  
5. Press and release the IN button to select DST on or off.  
“DST 0” indicates that the feature is off and the WWVB will not  
change times automatically. “DST 1” indicates that the feature is  
on and the WWVB will change times automatically.  
Note: Some locations (Arizona and parts of Indiana) do not  
follow Daylight Saving Time, and should select “DST 0.”  
6. Press and release the SET button to confirm and advance to  
the radio-controlled time on/off setting.  
8
 
VI. RADIO-CONTROLLED TIME ON/OFF SETTING  
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 three times.  
4. “RCC” will appear on the right of the time LCD and “ON” or  
“OFF” will flash to the left.  
5. Press and release the IN button to select radio-controlled time  
on or off.  
6. Press and release the SET button to confirm and advance to  
the 12/24-hour time setting.  
VII. 12 OR 24 HOUR TIME SETTING  
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 four times.  
4. “12h” or “24h” will flash in the time LCD.  
5. Press and release the IN 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.  
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6. Press and release the SET button to confirm and advance to  
the time setting.  
VIII. TIME SETTING  
There are two methods by which the time and date can be set:  
A) Automatically via WWVB reception, or  
B) Manually.  
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, the indoor 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).  
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.  
10  
 
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.  
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 six times.  
4. The year will flash in the right section of 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 right section of the time LCD.  
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.  
11  
 
X. SETTING THE SNOOZE  
Note: This is an unused function of the indoor 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.  
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.  
12  
 
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).  
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.  
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.  
4. Either “1”, “2” or “3” will flash in the time LCD.  
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.  
13  
 
FEATURES OF THE WS-7168U  
Time Zone  
Indicator  
WWVB Tower  
Icon (indicates  
time reception)  
Weather  
Tendency  
Arrow  
Forecast icon  
Comfort Level Indicator  
Satellite icon  
(indicates outdoor  
transmission)  
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-7168U 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  
There are 3 possible weather icons that will be displayed in the  
FORECAST LCD:  
14  
 
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).  
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.  
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. No arrow means the  
pressure is stable.  
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  
15  
 
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.  
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).  
IV. MINIMUM AND MAXIMUM TEMPERATURE RECORDS  
The WS-7168U keeps a record of the MINIMUM and MAXIMUM  
temperature, and the time and date of their occurrence—for both the indoor  
and outdoor modes.  
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 (along with the humidity measured at  
that time) 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 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 (along with the humidity measured at  
that time) and the time and date of occurrence are displayed.  
16  
 
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.  
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.  
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.  
17  
 
V. ADDING REMOTE TEMPERATURE SENSORS (OPTIONAL)  
The WS-7168U is able to receive signals from 3 different remote  
temperature sensors. The remote temperature 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 sensor units with the  
WS-7168U. 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 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 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 sensor  
units.  
3. Place all remote temperature 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).  
5. Install batteries into the indoor weather station.  
6. Follow the Detailed Set-Up Guide for programming and  
operating instructions.  
18  
 
B. VIEWING AND OPERATING WITH MULTIPLE  
REMOTE TEMPERATURE SENSOR UNITS  
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. 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.  
3. 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.  
MOUNTING  
Note: Before permanently mounting ensure that the indoor 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 indoor  
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 indoor 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 80ft—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 indoor  
weather station should display a temperature in the OUTDOOR LCD  
within 4 minutes of setting up.  
19  
 
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.  
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.  
5) Insert the remote temperature 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.  
5) Position the remote temperature sensor in the desired  
location, ensuring that the indoor weather station can  
receive the signal.  
II. THE INDOOR WEATHER STATION  
The indoor 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).  
20  
 
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.  
4) Gently pull the indoor weather station down to lock the  
screw into place.  
21  
 
TROUBLESHOOTING  
NOTE: For problems not solved, please contact La Crosse Technology.  
Problem: No reception of WWVB time signal.  
Solution: 1) Wait overnight for signal.  
2) Be sure indoor 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.  
Problem: Hour is incorrect (minute and date are correct).  
Solution: Be sure correct time zone and daylight saving time settings are selected.  
Problem: The LCD is faint.  
Solution: 1) Set the LCD contrast to a higher number.  
2) Replace the batteries  
Problem: No outdoor temperature is displayed.  
Solution: 1) Remove all batteries, reinsert into remote temperature sensor first, then  
the indoor weather station.  
2) Place the remote temperature sensor closer to the display.  
3) Be sure all batteries are fresh.  
4) Place the remote temperature 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 2 degree  
plus or minus and under normal conditions, so two sensors could be as  
much as 4 degrees different. However, the difference can be exaggerated  
further because the sensors are designed for different working  
environments. The indoor temperature 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  
22  
 
greater range of the remote 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.  
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 139.8°F with 0.1°F  
resolution. (-9.9°C to 59.9°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.  
Outdoor:  
Indoor relative humidity  
measuring range:  
1% to 99% with 1% resolution.  
(“- -” displayed if outside this  
range.  
Indoor temperature checking  
interval:  
Every 10 seconds.  
Indoor Humidity checking  
interval:  
Outdoor temperature checking  
interval (remote temperature  
Every 1 minute.  
Every 1 minute.  
23  
 
sensor):  
Outdoor temperature reception  
(indoor weather station):  
Transmission range:  
Power Supply:  
Every 5 minutes.  
80 feet (in open space).  
Indoor weather station:  
Remote temperature sensor:  
Battery life cycle:  
2 x AA, IEC LR6, 1.5V.  
2 x AA, IEC LR3, 1.5V.  
Approximately 12 months.  
Alkaline.  
Recommended battery type:  
Dimensions (H x W x D)  
Indoor weather station (without 3.875“ x 3.875“ x 1.25“  
stand):  
(98 x 98 x 32 mm).  
5.04“ x 1.57“ x 0.9“  
(128 x 40 x 23 mm)  
Remote temperature sensor:  
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  
24  
 
Technology, Ltd will pay ground return shipping charges to the owner of the product to  
a USA address only.  
Your La Crosse Technology, Ltd warranty covers all defects in material and  
workmanship with the following specified exceptions: (1) damage caused by accident,  
unreasonable use or neglect (including the lack of reasonable and necessary  
maintenance); (2) damage occurring during shipment (claims must be presented to  
the carrier); (3) damage to, or deterioration of, any accessory or decorative surface;  
(4) damage resulting from failure to follow instructions contained in your owner’s  
manual; (5) damage resulting from the performance of repairs or alterations by  
someone other than an authorized La Crosse Technology, Ltd authorized service  
center; (6) units used for other than home use (7) applications and uses that this  
product was not intended or (8) the products inability to receive a signal due to any  
source of interference.. This warranty covers only actual defects within the product  
itself, and does not cover the cost of installation or removal from a fixed installation,  
normal set-up or adjustments, claims based on misrepresentation by the seller or  
performance variations resulting from installation-related circumstances.  
LA CROSSE TECHNOLOGY, LTD WILL NOT ASSUME LIABILITY FOR  
INCIDENTAL, CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES  
ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS PRODUCT.  
THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR  
PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP OUT OF  
CHILDREN’S REACH.  
This warranty gives you specific legal rights. You may also have other rights specific  
to your State. Some States do no allow the exclusion of consequential or incidental  
damages therefore the above exclusion of limitation may not apply to you.  
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:  
25  
 
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, AND  
2. THIS DEVICE MUST ACCEPT 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-7168U  
081703  
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.  
26  
 

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