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

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No WWVB Tower Icon ............................................................................................................ 9 
Moon Phase ........................................................................................................................... 9 
Backlight: Projection Alarm with TX141-Bv2 sensor ............................................................... 9 
Backlight: Projection Alarm with TX141 sensor ....................................................................... 9 
Projection alarm is dim ........................................................................................................... 9 
Projection alarm has distorted or frozen display ....................................................................10 
Projection alarm is blank: No letters, numbers or dashed lines ..............................................10 
Projection alarm drains batteries quickly ................................................................................10 
Projection alarm has missing segments .................................................................................10 

 

  Projection Alarm Factory Restart 

 

Explanation:

 The factory restart returns the projection alarm and outdoor sensor to an “out-of-the-box” 

state and often resolves an issue.  

  

Factory Restart: 

1.  Remove all power (batteries and AC) from outdoor sensor and projection alarm.  

2.  Press one of the buttons on the projection alarm at least 20 times to clear all memory.  

3.  Verify that the projection alarm is blank before proceeding (some lines are painted on the screen and 

will show with batteries out). 

4. 

Leave unpowered for 15 minutes

 (very important). 

5.  Insert the AC cord into the wall outlet then into the projection alarm.  

6.  Insert fresh batteries into the outdoor sensor. 

7.  Press the TX button on the outdoor sensor to transmit RF signal.   

8.  Keep the outdoor sensor 5-10 feet from the projection alarm. 

9.  When RF connection is established, the temperature will appear on the station. Allow the outdoor 

sensor and projection alarm to sit together for 15 minutes to establish a strong connection.  

10. Do not press buttons for 15 minutes. 

  For optimum 433MHz transmission, place the outdoor sensor no more than 330 feet (100 meters, 

open air) from the projection alarm. 

  See the section on 

mounting

 an

distance/resistance/interference 

for details on mounting the outdoor 

sensor. 

 

Outdoor Temperature Sensor 

 

Compatible Outdoor Sensors 

 

  The TX141-

B3, 

TX141-B or TX141 outdoor sensor comes packaged with this projection alarm. These 

sensors are 

not

 interchangeable. Be sure to check the model before ordering. 

  The TX141B 

(all versions),

 and TX141-A (433MHz) outdoor sensors are compatible with the 

projection alarm sold with the TX141-Bv2 sensor.  

 

Quick Connect 

 

Explanation:

 The quick connect is used for a projection alarm and outdoor sensor that have been 

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

 

1.  Bring the outdoor sensor and projection alarm together inside and place the units 5-10 feet apart 

with nothing between them.  

2.  Hold the 

+/TEMP

 

button on the projection alarm. 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 projection alarm. 

 

Factory Restart: 

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

Summary of Contents for 616-143V2

Page 1: ...3 Intermittent Outdoor Temperature 3 Outdoor Temperature is stuck or HH H LL L 4 Outdoor sensor drains batteries quickly 4 Outdoor sensor fell The sensor no longer works 4 Mounting Positioning Outdoor...

Page 2: ...re will appear on the station Allow the outdoor sensor and projection alarm to sit together for 15 minutes to establish a strong connection 10 Do not press buttons for 15 minutes For optimum 433MHz tr...

Page 3: ...can cause loss of connection between the outdoor sensor and the projection alarm Turn the projection alarm 90 degrees towards the outdoor sensor to provide better reception This allows more antenna s...

Page 4: ...etween the outdoor sensor and projection alarm Outdoor sensors at the end of the range may work while batteries are fresh but not after they drain a bit Check for leaking batteries which may damage th...

Page 5: ...hten Position Projection Alarm The projection alarm has a wide base to sit on a desk or table Place within range of the outdoor sensor The maximum transmitting range in open air is 330 feet 100 meters...

Page 6: ...he SET F C button to select temperature readings in Fahrenheit or Celsius Dashes HH H LL L or stuck Indoor Temperature Explanation These symbols are error messages indication the indoor sensor is outs...

Page 7: ...AST Atlantic EST Eastern CST Central MST Mountain PST Pacific AKT Alaska HAT Hawaiian time zone Confirm with the SET F C button and move to the next item 3 DAYLIGHT SAVING TIME DST will flash and the...

Page 8: ...constantly unless projection is turned off or when the clock is searching for WWVB signal Operating on a c power Projection ON OFF Use the PROJECTION ON OFF slide switch on the back of the clock to tu...

Page 9: ...the illuminated portion will decrease or wane until the new moon occurs First Quarter and Last Quarter moons occur when the moon is at a 90 degree angle to the earth and sun Therefore we see half of t...

Page 10: ...20 times Leave the batteries out of the display for 2 hours Insert batteries into the projection alarm Projection alarm is blank No letters numbers or dashed lines Check that the batteries are instal...

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