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

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Vegetation is full of moisture and reduces signal. 

 

It is difficult for RF (radio frequency) signal to travel through a hill. 
 

Projection Alarm 

 

How tall are the time numbers? 

 

 

The time numbers are 1.18 inches tall. 

 

Power Requirements 

 

 

This projection alarm is powered by a 5 volt AC power adapter  

 

Alternatively, optional 2-AAA alkaline batteries may be used. 

 

12-Hour or 24-Hour time format 

 

 

Time can display in 12-hour (am, pm) or 24-hour format.  

 

Default is 12-hour time. 

 

Use th

Program Menu 

to switch time formats. 

 

Fahrenheit/Celsius 

 

 

  

Use 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 outside of 

its readable range. For indoor readings, this is generally a power related issue.  
 

 

Batteries 

may be overpowered or underpowered. Remove batteries from the 

projection alarm.  

 

Press any button 20 times. Leave the projection alarm unpowered for 1-2 hours.  

 

Install fresh Alkaline batteries with correct polarity.  

 

If the indoor temperature is still shows dashes, HH.H or LL.L, the projection alarm may 
need replacement. 

 

Inaccurate Indoor Temperature Reading 

 

Explanation: 

When the indoor temperature is inaccurate, it is often due to the location of 

the display or overpowered/under powered batteries. You can test the accuracy at you 
home.

 

 
Side-by-side test:

 Bring the outdoor sensor in the house and place it next to the projection 

alarm for 2 hours.  

 

Compare indoor and outdoor temperature. The temperature should be within 4 
degrees to be within tolerance.  

Summary of Contents for 616-146v3

Page 1: ...re 4 Inaccurate Outdoor Temperature Reading 4 Intermittent Outdoor Temperature 4 Outdoor Temperature is stuck or HH H LL L 5 Outdoor sensor drains batteries quickly 5 Outdoor sensor fell The sensor no longer works 5 Mounting Positioning Outdoor sensor 6 Position Projection Alarm 7 Distance Resistance Interference 7 Projection Alarm 8 How tall are the time numbers 8 Power Requirements 8 12 Hour or ...

Page 2: ... 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 transm...

Page 3: ...the above procedure does not work please try the factory reset Batteries Explanation Many problems are resolved with fresh batteries of the appropriate voltage Many items sent in under warranty work when tested with fresh batteries Batteries manufactured this year will have an expiration date 10 years or more in the future Battery technology has improved and batteries will maintain voltage longer ...

Page 4: ...heat sources such as sunlight door or window frames or reflected heat Side by side test Bring the outdoor sensor in the house and place it next to the projection alarm for 2 hours Compare indoor and outdoor temperature The temperatures should be within 4 degrees to be within tolerance If the outdoor sensor reads correctly when next to the projection alarm try a different location outside Intermitt...

Page 5: ...line batteries Write down the date of installation and the voltage of the batteries When the batteries fail please note the date and voltage again Check the distance and resistance between 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 the outdoor sensor B...

Page 6: ... Mount the outdoor sensor on the North side where to prevent sun from causing incorrect readings Mount at least 6 feet in the air for a strong RF radio frequency signal Outdoor sensors are water resistant not waterproof Avoid more than one wall between the outdoor sensor and the projection alarm The maximum transmitting range in open air is over 330 feet 100 meters Obstacles such as walls windows ...

Page 7: ...d the outdoor sensor Avoid placing electronic in the signal path between the projection alarm and the outdoor sensor Resistance Obstacles such as walls windows stucco concrete and large metal objects can reduce the range When considering the distance between the outdoor sensor and the projection alarm 330 feet open air cut that distance in half for each wall window tree bush or other obstruction i...

Page 8: ...tion These symbols are error messages indication the indoor sensor is outside of its readable range For indoor readings this is generally a power related issue Batteries may be overpowered or underpowered Remove batteries from the projection alarm Press any button 20 times Leave the projection alarm unpowered for 1 2 hours Install fresh Alkaline batteries with correct polarity If the indoor temper...

Page 9: ...on alarm offers a choice of seven time zones AST Atlantic EST Eastern CST Central MST Mountain PST Pacific AKT Alaska HAT Hawaiian The atomic projection alarm works in North America Outside of North America the projection alarm will not receive a WWVB signal but will keep time like a quartz clock Manually Set Time Date Program Menu The SET F C button will move through the program menu The TEMP or ...

Page 10: ...d date are set 11 Note If no buttons are pressed in a 20 second period the projection alarm will return to a live display reflecting whatever adjustments were made before it timed out Set Time Alarm In normal mode hold the ALARM button for three seconds to enter alarm set mode 1 HOUR The Hour will flash use the ARROW buttons to set the hour and press ALARM button to confirm and switch to minutes 2...

Page 11: ...utton please check ON OFF Place your hand about 2 from the projection lens You should see a red dot If not hold and release SNOOZE LIGHT button once to check that projection was not accidently turned off A C CORD The projection will continuously display if the A C cord is attached correctly and the projection is turned on Check that the A C cord attached properly Line up the cord and push it in th...

Page 12: ...elease the SNOOZE LIGHT button to return projection to full strength HIGH Note When the Adapter is NOT in use the High Low feature is not available Note When you adjust the projection you adjust the backlight at the same time Battery Power Press and release the SNOOZE LIGHT button to show the projection for 10 seconds The projection will not stay on when operation on battery power only Daylight Sa...

Page 13: ...rted or frozen display Explanation On a brand new projection alarm check for thin plastic film of printed scratch guard that may be on the screen of the projection alarm This thin piece of plastic has printed numbers for store displays When the batteries are installed the real numbers show behind the printed scratch guard and create distortion With all power removed the projection alarm should be ...

Page 14: ...ng the problem Check for leaking batteries which may damage the projection alarm Battery life is over 12 months when using reputable battery brands Projection alarm has missing segments Explanation When parts of numbers letters or pictures are missing on the display it is often power related Batteries may be overpowered or underpowered Remove batteries from projection alarm Press any button 20 tim...

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