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La Crosse Technology, Ltd  

Page 4 

 

  Compare indoor and outdoor temperature. The temperatures should be within 4°to be within 

tolerance.   

  If the sensor reads correctly when next to the clock then try a different location outside.  

  Look for heat sources such as sunlight, door or window frames, or reflected heat. 

 

Intermittent Outdoor Temperature 

 

  What is the temperature? This sensor reads down to 

–4 degrees F. when the temperature is 

below that, the outdoor temperature can show OFL, dashes or stick at a number. If the 
temperature is hovering at about 

–4 degrees Fahrenheit, the temperature may come and go. 

  RF (radio frequency) communication may come and go occasionally. This can be normal in 

some environments (e.g. moister climates). If sensor signal is lost, please wait 2-4 hours for 
the signal to reconnect on its own.  

  Move the outdoor sensor to a closer location. 

 

Freezer test:

 Confirm the clock is reading the correct outdoor sensor. Place the sensor in 

the freezer for an hour and watch the temperature drop on the clock. 

 

Indoor distance test:

 Please complete the 

Restart

 with sensor and clock 5-10 feet apart 

and inside to establish a strong connection.  

  After 15 minutes if there is a reading in the outdoor temperature area, move the sensor to 

another room with one wall between the sensor and the clock. Observe to see if the 
Temperature remains on consistently for 1-hour.  

  If the Temperature remains on while in the house then it is likely 

distance/resistance

 issue. 

Move the sensor to different locations outside to find a location where the Temperature 
reading will hold. 

 

Distance/Resistance

 can cause loss of sensor signal.  

  Check 

Batteries

. 

 

Outdoor Temperature Is Stuck or LL.L. HH.H 

 

  What is the temperature? This sensor reads down to 

–4 °F. When the temperature is 

below that, the outdoor temperature can show LL.L, HH.H, dashes or stick at a number. If 
the temperature is hovering at about 

–4 °F, the temperature may come and go. 

  The last outdoor reading may remain (not change) for several hours when connection is lost. 

  The outdoor Temperature reading will flash when the connection is first lost or intermittent 

between the clock and the outdoor sensor.   

  Check 

Batteries

Overpowered or underpowered batteries can cause this reading. 

  Replace outdoor sensor. 

 

Outdoor Sensor Fell and No Longer Works 

 

  If there is no physical damage to the outdoor sensor, the fall may not have caused internal 

damage. 

  An outdoor sensor that has fallen into a puddle or other standing water or snow may have 

water damage.  

  Sensors are water resistant, not waterproof. 

  A fall can shock the sensor or the batteries in the sensor.  

  Batteries that have fallen on a hard surface may be damaged and unable to function 

properly. 

  Complete a 

Restart

 with fresh batteries. 

  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 performance. 
 
 

Содержание 513-1311OT

Страница 1: ...Inaccurate Outdoor Temperature Reading 3 Intermittent Outdoor Temperature 4 Outdoor Temperature Is Stuck or LL L HH H 4 Outdoor Sensor Fell and No Longer Works 4 Outdoor Sensor Drains Batteries Quickly 5 Mounting Positioning Outdoor Sensor 5 Position Digital Atomic Clock 5 Distance Resistance Interference 6 Digital Atomic Clock 6 How tall are the Time Numbers 6 Supported Time Zones 6 12 Hour or 24...

Страница 2: ...inimum voltage of 1 48V for each battery is necessary for proper performance Outdoor Sensors Use Alkaline batteries or Lithium for temperatures below 20 F 28 8 C Indoor Displays Use Alkaline batteries Overpowered or underpowered batteries may cause loss of indoor readings missing segments dim display etc Digital Atomic Clock Factory Restart FACTORY RESTART Remove batteries from outdoor sensor and ...

Страница 3: ...sue Dashes shown for Outdoor Temperature Dashes means the connection is lost between the clock and the outdoor sensor This sensor reads down to 4 F when the temperature is below that the outdoor temperature can show OFL HH H dashes or stick at a number Batteries often resolve the connection Distance Resistance can cause loss of connection between the sensor and the clock Reorientation of the clock...

Страница 4: ...istently for 1 hour If the Temperature remains on while in the house then it is likely a distance resistance issue Move the sensor to different locations outside to find a location where the Temperature reading will hold Distance Resistance can cause loss of sensor signal Check Batteries Outdoor Temperature Is Stuck or LL L HH H What is the temperature This sensor reads down to 4 F When the temper...

Страница 5: ...o not have an overhang Please be sure the box is well vented Mount the sensor on the north side to prevent sun from causing incorrect readings Mount at least 6 feet in the air for a strong signal Outdoor sensors are water resistant but not water proof Avoid more than one wall between the sensor and the clock Do not mount near electrical wires transmitting antennas or other items that will interfer...

Страница 6: ...o concrete and large metal objects can reduce the range When considering the distance between the sensor and the clock 200 feet open air cut that distance in half for each wall window tree bush or other obstruction in the signal path Closer is better Do not mount the sensor on a metal fence This significantly reduces the effective range Interference Consider items in the signal path between the se...

Страница 7: ...ith the MODE SET button and move to the next item YEAR The year will flash Press and release the or button to select the correct year Confirm with the MODE SET button and move to the month day mode MONTH DAY FORMAT The M D month date will flash Press and release or button to select D M day month Confirm with the MODE SET button and move to the month MONTH The month will flash Press and release the...

Страница 8: ...tuck Indoor Temperature This is generally a power related issue Batteries may be overpowered or underpowered Remove batteries from clock Press any button 20 times Leave the clock unpowered for 1 2 hours Insert fresh alkaline batteries with correct polarity If the indoor Temperature is still dashes or OFL the clock may need replacement Inaccurate Indoor Temperature Reading Side by side test Bring t...

Страница 9: ...e the clock near an outside wall and point the unit in this general direction Is There a Booster Antenna No There is not a booster antenna available for the WWVB time signal There is not a signal booster available for the outdoor sensor signal Can the Clock Attach to a Timer No timer circuit can be attached to the clock Modifications will void the warranty Clock Has Missing Segments This is genera...

Страница 10: ...l appear please check for scratch guard Check that the batteries are installed correctly This is generally a power related issue Batteries may be overpowered or underpowered Remove batteries from clock Press any button 20 times Leave the batteries out of the display for 2 hours Insert fresh alkaline batteries into the clock Digital Atomic Clock is Blank No Letters Numbers or Dashed Lines Check tha...

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