DISABLING ATOMIC TIME
SIGNAL RECEPTION
The main unit can be set manually to disable the daily reception of the WWVB time signal.
Press and hold the 
and buttons at the same time for 3 seconds and the radio reception icon will disappear. To enable WWVB receiver, press and hold the 
and buttons at the same time for 3 seconds again. The radio reception icon will flash. The main unit will start to search for the WWVB time signal immediately.
LOST COMMUNICATION
If the main unit display for the remote sensor goes blank, press and hold for 3 seconds to begin a new signal search. If the signal still isn't received, please make sure that:
1.The remote sensor is in its proper location.
2.The distance between the main and remote units is not over 100 feet.
3.The path between units is clear of obstacles. Shorten the distance between units if necessary.
4.Fresh batteries are installed correctly in both remote sensor and main unit.
If it does not work, please perform the following steps:
1.Bring the main unit and remote sensor close together.
2.Remove 4 small screws from the back of the remote sensor and open the battery compartment.
3.Remove the batteries from the battery compartment and reinstall them in the same manner. Remote sensor LED indicator will flash showing transmission of the signal.
4.Remove the batteries from the main unit and reinstall them in the same manner.
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5.On the main unit select the same channel number that set on the remote sensor. Outdoor temperature on the display will show that transmission is being received successfully.
Note: When the temperature falls below the freezing point the batteries in the remote sensor(s) will freeze lowering their voltage output and effective range. During prolonged periods of extreme cold it is advisable to bring the remote sensor indoors, if alkaline batteries are being used. We recommend to use lithium ion batteries at temperatures below 32˚F.
TRANSMISSION COLLISION
Signals from other household devices, such as door bells, home security systems and entry controls, may interfere with this product and cause temporary reception failure. This is normal and does not affect the general performance of the product. The transmission and reception of the temperature readings will resume once the interference ends.
CHECKING REMOTE AND
INDOOR TEMPERATURE
The indoor temperature is shown on the second line of the main unit display. The remote temperature is shown on the top line of the display. The wave icon near the remote temperature reading indicates that there is a good reception from the remote sensor. If there is no signals received from the remote unit for more than 2 minutes, a dashes “ 
” will be displayed.
Press and hold button for 2 seconds to activate an immediate signal search.
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