3
INVENTORY OF CONTENTS
1) WS-6003U
2) Instruction manual and warranty card.
ADDITIONAL EQUIPMENT (not included)
1) Two fresh 1.5V AA batteries.
2) Three wall-hanging screws.
3) Appropriate screwdriver for screws.
ABOUT WWVB (Radio Controlled Time)
The NIST (National Institute of Standards and Technology—Time and Frequency
Division) WWVB radio station is located in Ft. Collins, Colorado, 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 Clock.
However, due to the nature of the Earth’s Ionosphere, reception is very limited during
daylight hours. The Atomic Clock will search for a signal every night when reception is
best. The WWVB radio station derives its signal from the NIST Atomic clock in
Boulder, Colorado. A team of atomic physicists is continually measuring every second,
of every day, to an accuracy of ten billionths of a second per day. These physicists have
created an international standard, measuring a second as 9,192,631,770 vibrations of a
Cesium-133 atom in a vacuum. This Atomic Clock regulates the WWVB transmitter.
QUICK SET-UP GUIDE
1) Insert two AA batteries into the Atomic Clock.
2) Wait 15 minutes for WWVB reception.
3) If there is no WWVB reception, manually set the time and date (instructions
in the Program Mode).
4) Program the settings.
5) Mount the WS-6003U in a suitable location, where WWVB signals can be
received.
DETAILED SET-UP GUIDE
I) BATTERY INSTALLATION
Note: To avoid start-up
problems make sure that the
batteries do not spring free.
A) ATOMIC CLOCK
SET
Battery Compartment
Battery Cover