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Environmental Reception effects: 
 

The SkyScan Atomic Clock obtains the accurate time with wireless technology. Same as 
all wireless devices, the receiving ability may be affected by, but not limited to, the 
following circumstances: 
 

 

Long transmitting distance. 

 

Nearby mountains and valleys. 

 

Among tall buildings. 

 

Near railway, high voltage cable. etc. 

 

Near freeway, airport, etc. 

 

Near construction site. 

 

Inside concrete buildings. 

 

Near electrical appliances. 

 

Near computers and televisions. 

 

Bad weather locally or electrical storms between you and Colorado. 

 

Inside moving vehicles. 

 

Nearby metallic structures. 

 
This clock receives a radio wave much like a TV or radio. Be sure to locate it near a 
window or some other location where reception is good 
 
Synchronization signal reception can be received in the Continental USA only. In other 
areas, you can still use this clock by making time settings manually. 
 

Features 

 

 

Receives 60kHz WWVB signal. 

 

Automatic time and date adjustment after signal reception. 

 

Calendar with day of the week display from January 1,2000 to December 31, 
2099. 

 

Hour, minute and second display. 

 

12 or 24-hour format. 

 

Time accuracy (U.S. Atomic clock): better than 1 second in 3,000 years. 

 

Time accuracy (free run): +/- 30 seconds per month. 

 

Centigrade or Fahrenheit readout. 

 

Battery life: approximate 1 year with alkaline batteries (not included). 

 

Clock operating temperature from 0°C to 50°C (32°F to 122°F). 

 

Indoor Temperature measuring range from -50°C to 70°C (-58°F to 158°F) 

 

Temperature resolution 0.1 °C. 

 

Summary of Contents for Jumbo Atomic Clock 86931

Page 1: ...Fort Collins Colorado This signal can be received anywhere in the continental USA that long wave AM radio reception is possible with a portable radio It is expected that the signal can cover a distanc...

Page 2: ...r radio Be sure to locate it near a window or some other location where reception is good Synchronization signal reception can be received in the Continental USA only In other areas you can still use...

Page 3: ...sert new batteries into clock 2 Slide the time zone switch on the back of the SkyScan clock to your time zone PST Pacific Standard Time MST Mountain Standard Time CST Central Standard Time EST Eastern...

Page 4: ...received the time signal you may set the clock manually or the clock will continue an automatic search each hour until the signal is received Best reception of the WAVE is during the nighttime when t...

Page 5: ...severe enough to interfere with the time signal Care of your clock Avoid exposing your clock to extreme temperatures water or severe shock Avoid contact with any corrosive materials such as perfume a...

Page 6: ...TY DISCLAIMER The manufacturer and supplier cannot accept any responsibility for any incorrect readings and any consequences that occur should an inaccurate reading take place This product is not to b...

Page 7: ...to 70 C with 0 1 C resolution Temperature checking interval Indoor every 16 seconds Power source Alkaline batteries recommended Atomic Clock 3 C batteries 1 5V batteries Battery life about 12 months D...

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