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La Crosse Technology, Ltd  

Page 4 

 

 

Turn the atomic clock 90 degrees towards the remote sensor to provide better 

reception. This allows more antenna surface to face the remote sensor signal.  

 

Try the 

quick connect 

o

factory restart.

 

 

Inaccurate Remote Temperature Reading 

 

Explanation: High remote temperature readings are generally a location issue. 

Low remote temperature readings are power related or a sensors going bad. 

 

 

The remote sensor reads the environment where it is mounted. When mounted 

inside the home, it will read inside temperature. 

 

When the remote sensor reads high during the day, but not at night, it is a 

positioning

 problem. 

 

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

 

Side-by-side test: Place the remote sensor right next to the atomic clock for 2 

hours.  

 

Compare indoor and remote temperature. The temperatures should be within 4 

degrees to be within tolerance.  

 

If the remote sensor reads correctly when next to the atomic clock, try a 

different location outside.  

 

Intermittent Remote Temperature 

 

Explanation: Intermittent problems are the hardest to resolve. RF (radio 

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

some environments (e.g. moister climates). If remote sensor signal is lost, please 

wait 2-4 hours for the signal to reconnect on its own.  

 

 

Move the remote sensor to a closer location. 

 

Distance/Resistance 

can cause loss of remote sensor signal.  

 

Chec

Batteries

. 

 

Freezer test: Confirm the atomic clock is reading the correct remote sensor (not a 

neighbor’s sensor). Place the remote sensor in the freezer for an hour and watch 

the temperature drop on the atomic clock. 

 

Indoor distance test: Please complete th

Restart 

with remote sensor and atomic 

clock 5-10 feet apart and inside to establish a strong connection.  

 

After 15 minutes, if there is a reading in the remote temperature area, move the 

remote sensor to another room with one wall between the remote sensor and 

the atomic 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 a 

distance/resistance 

issue.  

 

Move the remote sensor to different locations outside to find a location where 

the temperature reading will hold. 

 

 

 

 

Summary of Contents for 513-1919

Page 1: ...urate Remote Temperature Reading 4 Intermittent Remote Temperature 4 Remote Temperature is stuck or HH H LL L 5 Remote sensor drains batteries quickly 5 Remote sensor fell The sensor no longer works 5 Display Outdoor Temperature or Seconds 6 Mounting Positioning Remote sensor 6 Fahrenheit Celsius 6 12 Hour Time Format 7 Supported Time Zones 7 Dashes HHH LLL or Stuck Indoor Temperature 7 Does the c...

Page 2: ...duces the chance of RF radio frequency interference from the battery compartment Digital Clock Factory Restart Explanation The factory restart returns the clock and outdoor sensor to an out of the box default state and often resolves an issue Factory Restart 1 Remove all power from outdoor sensor and clock 2 Press one of the buttons on the clock at least 20 times to clear all memory 3 Verify that ...

Page 3: ...e area will flash 3 Wait for 2 minutes for the remote temperature to appear on the atomic clock Factory Restart If the above procedure does not work please try the factory reset Remote Temperature Signal Strength Explanation The atomic clock will search for the remote temperature remote sensor for 3 minutes after batteries are installed or when the MINUS button is held for 3 seconds The antenna sy...

Page 4: ...t Remote Temperature Explanation Intermittent problems are the hardest to resolve RF radio frequency communication may come and go occasionally This can be normal in some environments e g moister climates If remote sensor signal is lost please wait 2 4 hours for the signal to reconnect on its own Move the remote sensor to a closer location Distance Resistance can cause loss of remote sensor signal...

Page 5: ...Alkaline and Lithium batteries Remote sensor fell The sensor no longer works Explanation If there is no physical damage to the remote sensor the fall may not have caused internal damage A fall can shock the remote sensor or the batteries in the remote sensor Batteries that have fallen on a hard surface may be damaged and unable to function properly Complete a Restart with fresh batteries Use Batte...

Page 6: ...ng RF radio frequency signal Do not mount the remote sensor on a metal fence This significantly reduces the effective range Remote sensors are water resistant not waterproof Indoor or Outdoor Mount remote temperature sensor vertically Avoid more than one wall between the remote sensor and the atomic clock The maximum transmitting range in open air is over 200 feet 60 meters Obstacles such as walls...

Page 7: ...oes the clock have a backlight No as this clock is battery operated there is no backlight Time is off by hours Check to see if the WWVB Tower icon appears on the atomic digital clock If not the digital clock has not received a WWVB time signal in the past 24 hours Reposition the digital clock with the front or back facing Colorado Check that the Time Zone selected correctly reflects your location ...

Page 8: ...ess the buttons to turn OFF the beep sound 3 Press the SET button to confirm and select Atomic ON OFF 4 ATOMIC ON will show Press the buttons to turn OFF the Atomic time signal Note If ATOMIC is set to OFF you will skip the next two items and go directly to the hour 5 Press the SET button to confirm and select Daylight Savings Time ON OFF 6 DST ON will show Press the buttons to turn that OFF if yo...

Page 9: ...Hour will show 2 Use the button to select 3 Hold then release ALARM 3 seconds Alarm Minutes will show 4 Use the button to select 5 Press and release the ALARM button to confirm and exit Activate Deactivate Time Alarm The alarm is active when set From normal time display Press and release and release the ALARM button to deactivate or activate the alarm The alarm icon clock will show when active Sno...

Page 10: ...ctly Batteries may be overpowered or underpowered Remove batteries from digital clock Press any button 20 times Leave the batteries out of the display for 2 hours Insert batteries into the digital clock Day of the week is incorrect Check the year setting in the program menu The day of the week sets automatically based on the setting of the year month and date Digital clock drains batteries quickly...

Page 11: ...La Crosse Technology Ltd Page 11 Press any button 20 times Leave the batteries out of the display for 2 hours Insert batteries into the digital clock ...

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