5continually measuring every second, of every day, to an accuracy of ten billionths ofa second per day. These physicists have created an international standard measuringa second as 9,192,631,770 vibrations of a Cesium-133 atom in a vacuum.QUICK SET-UP GUIDE1. Insert two AAA batteries into the Remote Control Sender.2. Insert two AA batteries into the WEATHER STATION.3. Wait 5 minutes, or until the outdoor temperature is displayed in theOUTDOOR LCD (Liquid Crystal Display).4. Wait 6-10 minutes (in ideal reception conditions) for the WWVB timeto be displayed in the TIME LCD. If the WWVB takes longer to set,you may manually set the time (see complete instructions), or you canwait until after the weather station conducts its programmed search atthe ideal reception time period of 12:00 am to 6:00 am.5. Mount the units, ensuring that all units are sending and receivingsignals.Note: The Remote Control Sender transmits a signal every 3 minutes; afterthe batteries have been installed, the weather station will search for thesignal for a duration of 5 minutes. If there is no temperature reading in theOUTDOOR LCD after 5 minutes, make sure the units are within range ofeach other or repeat the battery installation procedure.DETAILED SET-UP GUIDEI. BATTERY INSTALLATIONA. REMOTE CONTROL SENDER1. Remove the mounting bracket. The bracket snaps on and offeasily.2. Remove the battery cover byremoving the flathead screwlocated on the backside of theunit, in the lower-central position.The rubber weather-seal creates atight seal for the battery cover anddoes not allow the battery coverBatteryCover