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CARE AND MAINTENANCE:

 

LIABILITY DISCLAIMER: 

• 

Avoid placing the units in areas prone to vibration and shock as these may cause damage. 

• 

The manufacturer and supplier cannot accept any responsibility for any incorrect readings and 
any consequences that occur should an inaccurate reading take place. 

• 

Avoid areas where the units can be exposed to sudden changes in temperature, i.e. direct 
sunlight, extreme cold and wet/moist conditions as these will lead to rapid changes which reduces 
the accuracy of readings. 

• 

This product is only designed for use in the home or office. 

• 

This product is not to be used for medical purposes or for public information. 

• 

When cleaning the LCD and casing, use a soft damp cloth only. Do not use solvents or scouring 
agents. 

• 

The specifications of this product may change without prior notice. 

• 

This product is not a toy. Keep out of the reach of children. 

• 

Do not submerge the units into water. 

• 

No part of this manual may be reproduced without written authorization of the manufacturer. 

• 

Immediately remove all low powered batteries to avoid leakage and damage. Replace only with 
new batteries of the recommended size. 

 

BATTERIES CHANGE: 

For best performance, batteries should be replaced at least once a year to maintain the best running 
accuracy. Ensure that the batteries used are new and the correct size.  

• 

Do not make any repairs to the units. Please return it to the original point of purchase. Opening 
and tampering with the units may invalidate the warranty. 

 

 

Please help in the preservation of the environment and return used batteries to an 
authorized depot. 

SPECIFICATIONS:

 

Temperature measuring range 

   

 

Indoor:  +32ºF to +122ºF with 0.2ºF resolution  

 

             0ºC to +50ºC with 0.1ºC resolution 

 

             ("OF.L" displayed if outside this range) 

 

Outdoor

 

:  -21.8ºF to +157.8ºF with 0.2ºF resolution 

 

                 -29.9ºC to +69.9ºC with 0.1ºC resolution 

 

                ("OF.L“ displayed if outside this range) 
Temperature checking interval 

   

 

Indoor:  every 10 seconds 

 

Outdoor:  every 5 minutes  

 

Transmission distance:  maximum 82 feet (25 meters) in open field, depending upon surrounding  

structures, mounting location and possible interfering sources 

 
 

Power source (Alkaline batteries recommended) 

 

 

 

Atomic clock :  2 x AA, 1.5V  batteries 

 

Transmitter:  2 x AA, 1.5V batteries 
Battery life:  about 12 months 

 

Dimensions (L x W x H) 

   

 

Atomic clock : 12.20“ x 1.18“ x 8.03“ / 310 x 30 x 204mm 

 
 

Transmitter: 1.57“ x 0.9“ x 5.04“ / 40 x 23 x 128 mm 

 

Summary of Contents for WS-8157U-A

Page 1: ...our time display Time display hour minute second TO INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE TRANSMITTER Function keys LCD1 display Foldable stand Battery cover Hanging holes LCD2 display Alar...

Page 2: ...will override the manually set time The date is also updated with the received time Please refer to notes on Radio controlled time and Manual time setting 4 After the time signal has been received or...

Page 3: ...sunny to cloudy or the reverse It will not change from sunny directly to rainy although it is possible for the change to occur quickly If the symbols do not change then the weather has not changed or...

Page 4: ...essful then the WWVB tower icon will not appear but reception will still be attempted the following hour WWVB time reception takes place from 12 00 am through 6 00 am each day attempts WWVB reception...

Page 5: ...gits start flashing 3 Using other electrical products such as headphones or speakers operating on the same signal frequency 433MHz may prevent correct signal transmission and reception 2 Press and rel...

Page 6: ...ue temperature reading avoid mounting where direct sunlight can reach the outdoor temperature transmitter It is recommended to mount the outdoor temperature transmitter on a North facing wall or in an...

Page 7: ...he transmitter closer to the atomic clock Make sure the clock is at a receivable range from the transmitter 3 Move the units to another location Interferences from other electrical devices operating o...

Page 8: ...Replace only with new batteries of the recommended size BATTERIES CHANGE For best performance batteries should be replaced at least once a year to maintain the best running accuracy Ensure that the b...

Page 9: ...OR FOR PUBLIC INFORMATION THIS PRODUCT IS NOT A TOY KEEP OUT OF CHILDRENS REACH This warranty gives you specific legal rights You may also have other rights specific to your State Some States do not a...

Page 10: ...WS 8157 ATOMIC CLOCK WITH OUTDOOR TEMPERATURE AND WEATHER FORECAST Instruction Manual...

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