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Introduction 

 
The atomic alarm clock features radio-controlled time, indoor temperature, humidity and moon phase on a 
colorful, and easy to read display. Includes backlight with dimmer, calendar with month, date, weekday 
display and alarm with snooze. Use the integrated USB charging port to charge your smartphone, camera 
or other devices while you sleep. 
 

Multi-Color Atomic Alarm Clock

                                               

 

 

 
 
 

Features 

 

 

Atomic time and date auto sets 

 

Time display: hour/minutes 

 

12/24 hour time and 10 minutes snooze alarm 

 

7 time zones: AST, EST, CST, MST, PST, AKST, HAST 

 

Calendar: month, day, date 

 

USB charging port (0.5A output) for mobile devices (charging cord not included) 

 

Indoor temperature with trend arrow 

 

Indoor humidity with trend arrow 

 

Moon phase 

 

Multi-color display 

 

Continuous illuminated backlight using AC power 

 

Backlight dimmer (high, low, off) 

 

Low battery icon 

 
                                                         

Model: C85183 

Instruction Manual 

 

Summary of Contents for C85183

Page 1: ...ces while you sleep Multi Color Atomic Alarm Clock Features Atomic time and date auto sets Time display hour minutes 12 24 hour time and 10 minutes snooze alarm 7 time zones AST EST CST MST PST AKST HAST Calendar month day date USB charging port 0 5A output for mobile devices charging cord not included Indoor temperature with trend arrow Indoor humidity with trend arrow Moon phase Multi color disp...

Page 2: ...Instructions Step by Step STEP 1 Insert the power adapter plug into a wall outlet Insert the 5 volt A C power adapter into the back of the atomic alarm clock for a continuous backlight The atomic alarm clock will light up and display indoor temperature and time 12 00 IMPORTANT When operating on A C power the backlight and USB charging port will turn off while the atomic alarm clock searches for th...

Page 3: ... and transmits the exact time signal continuously throughout the United States at 60 kHz The signal can be received up to 2 000 miles away through the internal antenna in the atomic alarm clock However due to the nature of the Earth s Ionosphere reception is very limited during daylight hours The WWVB reception icon with full signal strength will appear on screen if the reception of atomic time is...

Page 4: ...t advance setup _ 1 step backward setup Fast backward setup WWVB Search LIGHT HI LOW OFF SNOOZE Once Backlight low A C Twice Backlight OFF A C 3rd time Backlight ON A C Activate backlight for 10 seconds battery power Trigger snooze alarm active Program Menu The program menu allows you to select your preferences WWVB Reception ON OFF Time Zone Daylight Saving Time Indicator ON OFF 12 24 Hour Time F...

Page 5: ...three seconds to enter time set mode 2 12H will flash 3 Use the or buttons to choose 12 hour or 24 hour time format 4 Press the F C SET button to confirm and move to hour Set Time To set the time manually 1 The Hour digit will flash 2 Use the or buttons to choose the hour 3 Press the F C SET button to confirm and move to minutes 4 The Minutes will flash 5 Use the or buttons to choose the minutes 6...

Page 6: ...wo minutes then shut off Snooze 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 the ALARM button while in snooze mode The alarm icon will remain solid Note When the alarm sounds press any button except the ALARM button to turn the alarm off Backlight A C Adapter The ...

Page 7: ...ll return after 4 8 minute search which occurs during the late night or early morning hours The USB charging port will then resume working Temperature Trend Arrows The indoor and outdoor temperature trend indicators will update every 30 minutes or less These trends represent temperature changes over the past three hours Example At 1 00pm the arrow indicates the change in temperature since 10 00am ...

Page 8: ...be placed near an exterior wall with the front or back facing toward Ft Collins Colorado for best WWVB reception Choose a location 6 feet or more from electronics such as cordless phones gaming systems televisions microwaves routers baby monitors etc which can prevent signal reception Specifications Indoor Temperature Range 32 F to 122 F 0 C to 50 C Humidity Range 3 to 99 RH Power Atomic Alarm Clo...

Page 9: ...ing the La Crosse Technology Ltd product to a La Crosse Technology Ltd authorized service center La Crosse Technology Ltd will pay ground return shipping charges to the owner of the product to a USA address only The La Crosse Technology Ltd warranty covers all defects in material and workmanship with the following specified exceptions 1 damage caused by accident unreasonable use or neglect includi...

Page 10: ...eproduced in any form even in excerpts It may not be duplicated or processed using electronic mechanical or chemical procedures without written permission of the publisher This handbook may contain mistakes and printing errors The information in this handbook is regularly checked and corrections made in the next issue We accept no liability for technical mistakes or printing errors or their conseq...

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