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La Crosse Technology, Ltd  

Page 6 

 

 

With all power removed, the digital clock should be blank.  

 

If numbers still appear, please check for scratch guard. 

 

Power: 

 

Check that the batteries are installed correctly. 

 

This is generally a power related issue.  

 

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. 

 

 Digital clock is blank: No letters, numbers or dashed lines 

 

 

Check that the batteries are installed correctly. 

 

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 

 

 

Test a new set of alkaline batteries. Write down the date of installation and the 

voltage of the batteries. 

 

When the batteries fail, please note the date and voltage again. This is helpful in 

determining the problem. 

 

Check for leaking batteries, which may damage the digital clock. 

 

 Digital clock has missing segments 

 

Explanation:

 When parts of numbers, letters, or pictures are missing on the display, it 

is often power related.  

 

With all power removed, the digital clock should be blank.  

 

If numbers still appear, please check for scratch guard. 

 

Power: 

 

Check that the batteries are installed correctly. 

 

This is generally a power related issue.  

 

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. 

 

Summary of Contents for M78786

Page 1: ...g Time 3 Manually Set Time Date Program Menu 3 No WWVB Tower Icon 5 Set Time Alarm 5 Activate Deactivate Time Alarm 5 Snooze Alarm 5 Indoor Comfort Statement 5 Digital clock has distorted or frozen display 5 Digital clock is blank No letters numbers or dashed lines 6 Day of the week is incorrect 6 Digital clock drains batteries quickly 6 Digital clock has missing segments 6 Batteries Explanation M...

Page 2: ...er from clock 2 Press one of the buttons on the clock at least 20 times to clear all memory 3 Verify that the clock is blank before proceeding there may be lines painted on the screen that will show when there is no power 4 Leave without power for 15 minutes very important 5 Insert fresh batteries into the clock Display Indoor Temperature or Seconds Press the MODE button to toggle between indoor t...

Page 3: ...ndicator is correct for your location most areas observe DST so this should be ON Adjust the DST indicator in the Program Menu Large buildings metal roofed buildings and buildings or rooms full of electrical and or radio equipment make it difficult to receive the WWVB time signal Daylight Saving Time Dependent on your location position of the clock in your home and atmospheric interference it may ...

Page 4: ...KT Alaska HAT Hawaiian 7 Press the MODE button to confirm and select Daylight Savings Time ON OFF 8 DST ON will show Press the or button to turn that OFF if you do not observe Daylight Saving Time 9 Press the MODE button to confirm and select 12 hour or 24 hour time format 10 FORMAT 12H will show Press the or button to select 24H 11 Press the MODE button to confirm and select the hour 12 HOUR will...

Page 5: ...arm The alarm icon clock will show when active Snooze Alarm When the alarm sounds Press and release the SNOOZE button to silence the alarm for 10 minutes The snooze icon Zz will flash Press and release any button except SNOOZE to silence the alarm for 24 hours This is a crescendo alarm It will sound for 2 minutes then shut off if no buttons are Press and released Indoor Comfort Statement The indoo...

Page 6: ... 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 Test a new set of alkaline batteries Write down the date of installation and the voltage of the batteries When the batteries fail please note the date and voltage again This is helpful in determining the problem Check for leaking batteries ...

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