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La Crosse Technology, Ltd.            www.lacrossetechnology.com/support 

Page 3 

 

 

See the section on 

mounting 

and 

distance/resistance/interference 

for details on 

mounting the outdoor sensor. 
 

 

Outdoor Temperature Sensor 

 

Compatible Outdoor sensors 

 

 

The TX141TH-

Bv2

 outdoor sensor comes packaged with this weather station.  

 

The TX141TH-A, TX141TH-Av2 and TX141TH-B (433MHz) outdoor sensors are 
compatible with this weather station.  

 

Quick Connect 

 

Explanation:

 Use the quick connect for a weather station and outdoor sensor that have 

been working but lost connection due to interference or low batteries. This is not the same 
as a thorough factory reset. 

 

1.

 

Bring the outdoor sensor and weather station together inside, and place the units 5-10 
feet apart with nothing between them.  

2.

 

Hold the HEAT/DEW button for 5 seconds. The outdoor temperature area will flash. 

3.

 

Remove battery cover from the outdoor sensor and press and release the TX button to 
send the signal. 

4.

 

Wait for 2 minutes for the outdoor temperature to appear on the weather station. 

 

 

Factory Restart: 

If the above procedure does not work, please try the factory reset. 

 

Outdoor Temperature Signal Strength 

 

Explanation:

 The weather station will search for the outdoor temperature/humidity sensor 

for 3 minutes after installing batteries or after holding the HEAT/DEW button for 3 seconds. 

 

 

The antenna symbol will flash during reception. 

 

The temperature display will be dashes “---“. 

 

If synchronization fails once, the antenna will lose one bar.  

 

If synchronization fails twice, the antenna will lose two bars.  

 

If RF (radio frequency) reception fails five times, the antenna symbol will show without 
bars.  

 

The antenna will show full display with successful RF (radio frequency) reception.  

 

Dashes show for Outdoor Temperature 

 

Explanation:

 Dashes mean the connection is lost between the weather station and the 

outdoor sensor.   

 

Batteries 

often resolve the connection. 

 

Distance/Resistance 

can cause loss of connection between the outdoor sensor and the 

weather station.  

 

Turn the weather station 90 degrees towards the outdoor sensor to provide better 
reception. This allows more antenna surface to face the outdoor sensor signal.  

 

Try the 

quick connect 

or 

factory restart.

 

 

Power Requirements 

 

 

2-AA

 batteries 

power the outdoor sensor.  

 

We recommend Alkaline batteries for the outdoor sensor. 

 

You may choose to use Lithium batteries for temperatures below -20°F/-28.8°C. 

 

Inaccurate Outdoor Temperature Reading 

 

Explanation: 

High outdoor temperature readings are generally a location issue. Low 

outdoor temperature readings are power related or a sensors going bad. 

 

Summary of Contents for 308-1425B

Page 1: ...3 Intermittent Outdoor Temperature 4 Outdoor Temperature is stuck or HH H LL L 4 Outdoor sensor drains batteries quickly 4 Outdoor Humidity goes to dashes when temperature is cold 5 Outdoor sensor fel...

Page 2: ...necessary for proper performance Use batteries dated at least six years in advance of the current year Batteries dated earlier than six years from now may still work but may be unstable in performanc...

Page 3: ...arch for the outdoor temperature humidity sensor for 3 minutes after installing batteries or after holding the HEAT DEW button for 3 seconds The antenna symbol will flash during reception The temperat...

Page 4: ...mperature drop on the weather station Indoor distance test Please complete the Restart with outdoor sensor and weather station 5 10 feet apart and inside to establish a strong connection After 15 minu...

Page 5: ...ce Note An outdoor sensor that has fallen into puddle snow or other standing water will likely have water damage and need replacement Outdoor sensors are water resistant not waterproof Replacement Out...

Page 6: ...me number as the temperature until the outdoor temperature is above 26 7 C 80 F Dew Point Temperature Dew Point Temperature is the saturation point of the air or the temperature to which the air has t...

Page 7: ...ll out stand to sit on a desk or table or can be wall mounted Place within range of the outdoor sensor The maximum transmitting range in open air is 300 feet 91 meters Obstacles such as walls windows...

Page 8: ...OOR HI alert will flash Press the or buttons to set the alert value and press the ALERT button to confirm Then press the ALERT button again switch to OUTDOOR LO setting 2 OUTDOOR LO alert will flash P...

Page 9: ...10 seconds Battery power When operating on battery power only press and release the any button and the backlight will show for 10 seconds Dashes HH H LL L or stuck Indoor Temperature Humidity Explana...

Page 10: ...n the past 24 hours Position the forecast station for better reception Be sure you have good batteries in the forecast station Hold the and buttons together to send the forecast station on a signal se...

Page 11: ...weather station will save the last change and default back to normal mode Forecast Icons Inaccurate THIS WEATHER STATION LEARNS OVER TIME Please allow 3 4 weeks for barometer calibration to generate...

Page 12: ...n at eye level to determine if it is dim Weather stations that sit in the sunlight can develop a cloudy film over time This is generally a power related issue Batteries may be overpowered or underpowe...

Page 13: ...tation Battery life is over 12 months when using reputable battery brands Weather station has missing segments Explanation When parts of numbers letters or pictures are missing on the display it is of...

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