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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.
For more information about WWVB please see the NIST website at
http://www.boulder.nist.gov/timefreq/stations/wwvb.htm
QUICK SET-UP GUIDE
Hint: Use good quality Alkaline Batteries and avoid rechargeable batteries.
1. Have the indoor weather station and remote thermo/hygro sensor 3 to 5
apart.
2. Batteries should be out of both units for 10 minutes.
3. Place the batteries into the remote thermo/hygro sensor first then into
the indoor weather station.
(All remote thermo/hygro sensors must be started before the indoor
weather station)
4. DO NOT PRESS ANY BUTTONS FOR 10 MINUTES.
In this time the indoor weather station and remote thermo/hygro sensor will start to
talk to each other and the indoor weather station will show both the indoor
temperature and humidity and the outdoor temperature and humidity. If the indoor
weather station does not display all values after the 10 minutes please retry the set up
as stated above. After all values are displayed for 10 minutes you can place your
remote thermo/hygro sensor outdoors and set your time.
The remote thermo/hygro sensor should be placed in a dry, shaded area. The remote
thermo/hygro sensor has a range of 80 feet. Any walls that the signal will have to
pass through will reduce distance. An outdoor wall or window will have 20 to 30
feet of resistance and an interior wall will have 10 to 20 feet of resistance. Your
distance plus resistance should not exceed 80 ft. in a straight line.
NOTE: Fog and mist will not harm your remote thermo/hygro sensor but direct rain
must be avoided.
To complete the set up of your indoor weather station after the 10 minutes
have passed please follow the steps in the Detailed Set Up Guide
.