Feature
• Receive 60kHz WWVB signal transmitted by NIST at Fort Collins Colorado
• Automatic time adjustment after signal reception
• Calendar with day of the week display
• Hour, minute and second display
• Indoor temperature and remote temperature
• Centigrade or Fahrenheit readout
• Indoor temperature measurement range from -20°C ~ 70°C ( -4°F ~ 158°F )
• Outdoor temperature measurement range from -50°C ~ 70°C ( -58°F ~ 158°F )
• Temperature resolution 0.1°C ( 0.2°F )
• Clock operation temperature from 0°C ~ 50°C ( 32°F ~ 122°F )
• Time accuracy ( Atomic clock ) : better than 1 second in 2 million years
• Time accuracy ( free run ) : within +/-60second per month
Location Precautions
This clock receives a radio wave much like a TV or radio. Be sure to locate it near a window or
some other locations where reception is good.
Avoid the following locations, which can interfere with proper reception.
Before You Begin
To ensure proper functioning of the unit, please follow this set up procedure.
• Insert batteries for the main unit ( Refer to section of Battery Installation )
• Place the main unit as close as possible next to the remote unit and insert batteries for the
remote unit.
• Position the remote unit and main unit within effective transmission range, which in usual
circumstances is 30 to 45 meters.
Note that the effective range is affected by the building materials and where the main and
remote unit are positioned, try various setup for the best results.
Inside or near concrete/ steel bulidings
or structures, unless the clock is close/
next to a window (with curtain open).
Too close to household appliances
(Computer, TV, video/audios, fax
machines, speakers).
Near construction sites, traffic lights,
roadside, neon lights etc.
Inside moving vehicles (automobile, train, airplanes
etc) which radio transmission or electronics will
interfere the reception of radio-controlled clock.
Close to or on top of metal surfaces / plates.
Next or close to power station.
