La Crosse Technology Thermometer WS 7215U IT User Manual

WS-7215U-IT  
Wireless 915 MHz  
Radio-controlled Temperature Station  
Instruction Manual  
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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!  
INVENTORY OF CONTENTS  
1. The Wireless Temperature 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.  
5. Instruction manual and warranty card.  
Figure 2  
Figure 1  
Time LCD  
Date LCD  
Indoor LCD  
Outdoor LCD  
Mounting  
Bracket  
TX29U-IT remote  
temperature sensor  
ADDITIONAL EQUIPMENT (not included)  
1. Two fresh AA 1.5V batteries for the Wireless Temperature Station.  
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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 Wireless Temperature Station  
However, due to the nature of the Earth’s Ionosphere, reception is very limited during  
.
daylight hours. The temperature 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  
QUICK SET-UP GUIDE  
Hint: Use good quality Alkaline Batteries and avoid rechargeable batteries.  
1. Have the Wireless Temperature 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  
Wireless Temperature Station.  
(All remote temperature sensors must be started before the Wireless  
Temperature Station)  
4. DO NOT PRESS ANY BUTTONS FOR 15 MINUTES.  
In this time the Wireless Temperature Station and remote temperature sensor will  
start to talk to each other and the display will show both the indoor temperature and  
an outdoor temperature. If the Wireless Temperature 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 outdoors and set your time.  
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  
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obstruction (roof, walls, floors, ceilings, thick trees, etc.) will effectively cut signal  
range in half.  
Example: A Wireless Temperature 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.  
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.  
To complete the set up of your Wireless Temperature Station after the 15 minutes  
have passed please follow the steps that follow in the Detailed Set-Up Guide.  
DETAILED SET-UP GUIDE  
I. BATTERY INSTALLATION (When one temperature sensor is being  
used)  
1. First, insert the batteries to the temperature sensor (see “A. Remote  
Temperature sensor” below).  
2. Within 30 seconds of powering up the sensor, insert the batteries to the  
Temperature Station (see “B. Wireless Temperature Station” below). Once  
the batteries are in place, all segments of the LCD will light up briefly.  
Following the indoor temperature and humidity, and the time as 12:00 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. Once the  
indoor data is displayed user may proceed to the next step.  
3. After the batteries are inserted, the Temperature Station will start receiving  
data signal from the sensor. The outdoor temperature should then be  
displayed on the Temperature Station. If this does not happen after 2  
minutes, the batteries will need to be removed from both units and reset  
from step 1 and the signal reception icon is no longer shown.  
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A. REMOTE TEMPERATURE SENSOR  
1. Remove the mounting bracket. The  
bracket snaps on and off easily.  
2. Remove the battery cover, by sliding the  
cover down.  
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. WIRELESS TEMPERATURE 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 install 2 AA batteries.  
3. Replace the battery cover.  
Battery  
cover  
Sensor signal  
reception icon*  
* When the signal is successfully received by the Wireless Temperature  
Station, the icon will be switched on. (If not successful, the icon will not be  
shown in LCD) So the user can easily see whether the last reception was  
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successful (icon on) or not (icon off). On the other hand, the short blinking  
of the icon shows that a reception is being done now.  
If the signal reception is not successful on the first frequency (915MHz) for  
45 seconds, the frequency is changed to 920MHz and the learning is tried  
another 45 seconds. If still not successful the reception is tried for 45 seconds  
on 910MHz. This will also be done for re-synchronization.  
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 III through XII, 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  
2006  
1.1.  
Snooze (this function not used)  
10  
Temperature Format  
°F  
Setting the forecast sensitivity (this function not used)  
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 temperature station.  
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II. FUNCTION KEYS  
The function keys are located on the front of the unit directly below the  
LCD.  
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 in the date LCD.  
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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)  
TIME ZONES  
GMT  
ALT  
EST  
CST  
MST  
PST  
0
-4  
-5  
-6  
-7  
-8  
-9  
-10  
Atlantic  
Eastern  
Central  
Mountain  
Pacific  
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 in the date LCD 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.  
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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.  
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 in the date LCD and “ON” or “OFF” will  
flash in the time LCD.  
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.  
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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 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 15 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 Wireless Temperature 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 15 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.  
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4. The time will flash in the time LCD.  
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 date 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.  
8. Press and release the IN button to advance the month.  
9. Press and release the OUT button to advance the day.  
10. Press and release the SET button to confirm and advance to the  
snooze setting.  
X. SETTING THE SNOOZE  
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Note: This is an unused function of the Wireless Temperature 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 complete the  
setup.  
XII.  
SETTING THE FORECAST SENSITIVITY  
Note: This is an unused function of the Wireless Temperature Station and  
should be disregarded. The setting has no bearing on the operation. Please  
press and release the SET button to exit the manual setting.  
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FEATURES OF THE WS-7215U-IT  
WWVB Tower Icon  
(indicates time  
reception)  
Comfort Level Indicator  
Satellite icon (indicates  
outdoor transmission)  
Sensor Identification  
number  
I. INDOOR TEMPERATURE AND HUMIDITY  
The current indoor temperature (viewed on the left) and relative humidity  
(viewed on the right) are displayed in the INDOOR LCD.  
II. 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 IVAdding Remote Temperature  
Sensors).  
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III. MINIMUM AND MAXIMUM TEMPERATURE RECORDS  
The WS-7215U-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.  
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 the humidity, and the time and date  
of temperature 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 and humidity, and the time and date of  
temperature occurrence 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  
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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.  
IV. ADDING REMOTE TEMPERATURE SENSORS (OPTIONAL)  
The WS-7215U-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-7215-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.  
2. Insert the batteries to the first temperature sensor.  
3. Within 30 seconds of powering up the first sensor, insert the batteries  
to the Temperature Station. Once the batteries are in place, all segments  
of the LCD will light up briefly. Following the indoor temperature and  
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humidity, and the time as 12:00 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 Wireless Temperature 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  
Wireless Temperature Station.  
NOTE: You must insert the batteries into the second sensor within  
10 seconds of reception of the first sensor.  
6. The outdoor temperature from the second sensor and the "channel 2"  
icon should then be displayed on the Wireless Temperature 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 Wireless Temperature 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.  
V. 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  
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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 temperature  
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 Temperature Station. To achieve a true temperature reading,  
avoid mounting where direct sunlight can reach the remote temperature  
sensor or Wireless Temperature 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 Temperature Station should display a temperature in the  
OUTDOOR LCD within 4 minutes of setting up.  
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.  
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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 Wireless Temperature  
Station can receive the signal.  
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 Wireless  
Temperature Station and temperature sensor.  
II. THE WIRELESS TEMPERATURE STATION  
The Wireless Temperature 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 Temperature 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  
Temperature Station in an appropriate location.  
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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 Wireless Temperature Station onto the screw  
using the hanging hole on the backside.  
4) Gently pull the Wireless Temperature Station down to  
lock the screw into place.  
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 the Wireless Temperature 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 batteries  
Problem: No outdoor temperature is displayed.  
Solution: 1) Remove all batteries, reinsert into remote temperature sensor first, then  
display.  
2) Place remote sender closer to display.  
3) Be sure all batteries are fresh.  
4) Place remote temperature sensor and Wireless Temperature Station in  
position so the straight-line signal is not passing through more than two  
or three walls.  
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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.  
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 59.9°C with 0.1°C resolution).  
“OFL” displayed if outside this range.  
-39.8°F to 139.8°F with 0.2°F resolution.  
(-39.9°C to 59.9°C with 0.1°C resolution).  
“OFL” displayed if outside this range.  
Outdoor:  
Humidity Measuring Range  
Indoor relative humidity  
1% to 99% with 1% resolution. (Display “- -“ if  
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temperature is OL.F; display “- -“ if < 1% and “99%” if  
> 99%)  
measuring range:  
Indoor Temperature checking  
interval:  
Every 10 seconds.  
Indoor Humidity checking  
interval:  
Every 1 minute.  
Outdoor Temperature checking Every 4 seconds.  
interval (Remote Temperature  
Sensor):  
Transmission Range:  
330 feet max. (in open space).  
Power Supply:  
Wireless Temperature Station:  
Remote Temperature Sensor  
Battery life cycle:  
Recommended battery type:  
Dimensions (H x W x D)  
Wireless Temperature Station  
Remote Temperature Sensor  
2 x AA, IEC LR6, 1.5V.  
2 x AA, IEC LR6, 1.5V.  
Approximately 24 months.  
Alkaline.  
7.48” x 2.95” x 1.08” (190 x 75 x 27.5mm)  
5.05” x 1.50” x 0.83” (128.3 x 38.2 x 21.2 mm)  
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  
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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 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  
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Phone: 608.782.1610  
Fax: 608.796.1020  
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.  
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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.  
Statement according to FCC part 15.21:  
Modifications not expressly approved by this company could void the user's  
authority to operate the equipment.  
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:  
Reorient or relocate the receiving antenna.  
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  
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