La Crosse Technology Clock C85183 User Manual

C85183 FAQS  
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CONTENTS  
AC Power  
The design of this alarm clock is to use AC power (5-volt) as primary power source.  
When operating with the AC power cord, the backlight can be on continually.  
When operating on AC power, batteries are optional and are not required in the alarm clock.  
The backlight will turn off or operate at high or low intensity at your discretion.  
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  
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Dashes, OFL or Stuck Indoor Temperature  
This is generally a power related issue.  
Check that the A/C power cord. Is it correctly installed and connects to an active outlet?  
Batteries may be overpowered or underpowered. Remove batteries from atomic alarm clock.  
Press any button 20 times. Leave the atomic alarm clock unpowered for 1-2 hours.  
Insert fresh alkaline batteries with correct polarity.  
If the indoor temperature is still dashes or OFL, the atomic alarm clock may need replacement.  
Does the clock have a backlight?  
Yes, this atomic alarm clock has a backlight.  
A/C adapter:  
The backlight can show continuously when operating the atomic alarm clock with the 5-volt A/C adapter.  
HIGH: The backlight is defaulted to HI (brightness) when the A/C adapter is in use.  
LOW: Press and release the SNOOZE/LIGHT HI-LO-OFF button to dim the intensity of the backlight.  
OFF: Press and release the SNOOZE/LIGHT HI-LO-OFF button to turn the backlight off to sleep.  
Note: When the A/C adapter is NOT in use, the High-Low-OFF backlight feature is not available.  
Note: When the backlight is off, press any button to activate the backlight for 10 seconds, and then it will  
turn off again.  
Battery power:  
Press and release the SNOOZE/LIGHT HI-LO-OFF button and the backlight will show for 10 seconds,  
when operating on batteries only.  
IMPORTANT: During A/C power operation, the backlight and USB charging port will turn off while the  
atomic alarm clock searches for the WWVB to avoid interference. The backlight will return after 4-8  
minutes search (which occurs during the late night or early morning hours). The USB charging port will  
then resume working.  
Time is off by hours  
Check to see if the WWVB Tower icon appears on the atomic alarm clock. If not, the atomic alarm  
clock has not received a WWVB time signal in the past 24 hours.  
Reposition the atomic alarm clock with the front or back facing Colorado.  
Check that the Time Zone selected correctly reflects your location. Adjust the time zone in the  
Check that the DST indicator 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  
take up to 5 nights for the change from Daylight Savings Time to Standard Time and vice-versa to  
occur.  
Check for a WWVB Tower Icon showing on the atomic alarm clock. The tower icon indicates you  
have received the WWVB signal from Ft Collins CO in the past 24 hours.  
Check that the clock is in the correct Time Zone.  
Check whether the DST indicator is ON or OFF. If the indicator is OFF the clock will not change.  
Check for fresh batteries. Without proper batteries, the antenna will have a harder time picking up  
the signal.  
Position the atomic alarm clock in a window (with the front or back) facing Ft. Collins, Colorado and  
leave for up to five nights. If you do not have a window facing this direction, position the clock near an  
outside wall and point the unit in this general direction.  
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Manually Set Time/Date: Program Menu  
The SET/°F/°C button will move through the program menu. The + or - buttons will change a value.  
WWVB ON/OFF: Hold the SET/°F/°C button for 5 seconds. WWVB and the word ON will flash. Press  
and release the + or - buttons to turn this to OFF if you do not wish WWVB reception. Confirm with  
the SET/°F/°C button and move to the next item.  
TIME ZONE: EST will flash. Press and release the + or - buttons to select a different time zone:  
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.  
DAYLIGHT SAVING TIME: DST will flash and the word ON. Press and release the + or - buttons to  
turn this to OFF if you do not observe DST. Confirm with the SET/°F/°C button and move to the next  
item.  
12/24 HOUR TIME: 12Hr will flash. Press and release the + or - buttons to select 24hr. Confirm with  
the SET/°F/°C button and move to the next item.  
HOUR: The hour will flash. Press and release the + or - buttons to select the correct hour. Confirm  
with the SET/°F/°C button and move to the next item.  
MINUTES: The minutes will flash. Press and release the + or - buttons to select the correct minutes.  
Confirm with the SET/°F/°C button and move to the next item.  
YEAR: The year will flash. Press and release + or - buttons to select the correct year. Confirm with  
the SET/°F/°C button and move to the next item.  
MONTH: The month will flash. Press and release the + or - buttons to select the correct month.  
Confirm with the SET/°F/°C button and move to the next item.  
DATE: The date will flash. Press and release the + or - buttons to select the correct date. Confirm  
with the SET/°F/°C button and exit the program menu.  
Note: The Day of the Week will set automatically after the year, month and date are set.  
Note: If no buttons are pressed for 20 seconds, the set mode times out.  
FAHRENHEIT/CELSIUS: Press and release the SET/°F/°C button to select temperature readings in  
Fahrenheit or Celsius.  
No WWVB Tower Icon  
The atomic alarm clock has not received a WWVB time signal in the past 24 hours.  
Position the atomic alarm clock for better reception.  
Hold the - button to send the Atomic alarm clock on a WWVB signal search at night.  
Allow up to 5 nights to receive the time signal.  
IMPORTANT: During A/C power operation, the backlight and USB charging port will turn off while the  
atomic alarm clock searches for the WWVB to avoid interference. The backlight will return after 4-8  
minutes search (which occurs during the late night or early morning hours). The USB charging port will  
then resume working.  
Set Time Alarm  
Press and release the ALARM button once to show Alarm Time. The letters AL will appear where the  
seconds display.  
ALARM HOUR: Hold the ALARM button to enter alarm time setting mode. The Alarm Hour will flash.  
Use the + or - buttons to set the Hour. Press and release the ALARM button.  
ALARM MINUTE: The Alarm Minutes will flash. Use the + or - buttons to set the Minutes. Press and  
release the ALARM button to exit.  
Activate/Deactivate Time Alarm  
ACTIVATE:  
Press and release the ALARM button once to show Alarm Time.  
With the Alarm time showing, press and release the ALARM button to activate the alarm. The alarm  
icon (bell) appears when alarm is active.  
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DEACTIVATE:  
With the Alarm time showing, press and release the ALARM button to deactivate the alarm. The  
alarm icon will disappear when alarm is inactive.  
Note: When the alarm sounds, it will continue for two minutes then shut off.  
Snooze Alarm  
When the alarm sounds, press the SNOOZE button to trigger snooze alarm for 10 minutes.  
The snooze icon Zz will flash when the snooze feature is active.  
To stop alarm for one day, press ALARM button, while in snooze mode.  
The alarm icon (bell) will remain solid.  
USB Charge Port  
Explanation: The alarm clock has an integrated USB charging port (on back) that will charge a device  
when the alarm clock is operated on AC power.  
Note: This is a power-output charging port. It does not supply power to the projection alarm.  
Connect your external device’s USB charging cable (not included) to the USB charging port.  
Charging times will vary.  
USB Power Output: 0.5A maximum current  
Charge 0.5A devices or devices that are self-regulating  
Note: Some USB cables are for data transfer only and cannot be used for charging. Make sure that the  
USB cable you use will charge your device. Most USB cables included with mobile devices will work for  
charging.  
Note: Many devices may require more power to charge than provided by this alarm clock.  
Moon phase is incorrect.  
The moon phase is programmed to the Gregorian calendar rather than the lunar calendar.  
The moon phase may be off a few days from the moon phase seen on the Internet.  
Atomic Alarm Clock is dim  
Explanation: Most alarm clocks have a gray background. Place the alarm clock at eye level, to determine  
if it is dim. Alarm clocks that sit in the sunlight can develop a cloudy film over time.  
This is generally a power related issue.  
Batteries may be overpowered or underpowered. Remove batteries from alarm clock.  
Press any button 20 times. Leave the alarm clock unpowered for 1-2 hours.  
Install fresh alkaline batteries with correct polarity.  
Atomic Alarm Clock has distorted or frozen display  
Explanation: On a brand new alarm clock, check for thin plastic film of printed scratch guard that may  
be on the screen of the alarm clock. 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 alarm 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 alarm clock.  
Press any button 20 times. Leave the batteries out of the display for 2 hours.  
Insert batteries into the alarm clock.  
Atomic Alarm Clock is blank: No letters, numbers or dashed lines  
Check that the batteries are installed correctly.  
Batteries may be overpowered or underpowered.  
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Remove batteries from alarm clock.  
Press any button 20 times. Leave the batteries out of the display for 2 hours.  
Insert batteries into the alarm clock.  
Atomic Alarm 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 alarm clock.  
Battery life is over 12 months when using reputable battery brands.  
Atomic Alarm Clock 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 alarm clock.  
Press any button 20 times. Leave the alarm clock unpowered for 1-2 hours.  
Install fresh alkaline batteries with correct polarity.  
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