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Contact Support: 1-608-782-1610 
Product Registration: 
 

www.lacrossetechnology.com/support/register

  

 
 
 
 
 

 
Online at: 

http://www.lacrossetechnology.com/8140

   

 
Protected under U.S. Patents: 
5,978,738 
6,076,044 
6,597,990 
 
 

 

FCC Disclaimer 

 

RF Exposure mobile: 

The internal / external antennas used for this mobile transmitter must provide a separation distance of at least 20 cm (8 inches) 
from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter." 
  

Statement according to FCC part 15.19: 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not 
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause 
undesired operation. 

Statement according to FCC part 15.21: 

Modifications not expressly approved by this company could void the user's authority to operate the equipment. 
 

Statement according to FCC part 15.105: 

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of 
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential 
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance 
with the instructions, may cause harmful interference to radio communications. 
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful 
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is 
encouraged to try to correct the interference by one or more of the following measures: 

 

Reorient or relocate the receiving antenna. 

 

Increase the separation between the equipment and receiver. 

 

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 

 

Consult the dealer or an experienced radio/TV technician for help                                                                                                                                  

 
All rights reserved.  This handbook must not be reproduced in any form, even in excerpts, or duplicated or processed using 
electronic, mechanical or chemical procedures without written permission of the publisher. 
This handbook may contain mistakes and printing errors.  The information in this handbook is regularly checked and corrections 
made in the next issue.  We accept no liability for technical mistakes or printing errors, or their consequences. 
All trademarks and patents are acknowledged. 

Summary of Contents for KWS-8140U-IT

Page 1: ... Model KWS 8140U IT Instruction Manual The digital atomic wall clock features radio controlled time date alarm indoor temperature and humidity and moon phase Wireless outdoor temperature range open air up to 200 feet 60 96 meters Atomic Wall Clock Outdoor Temperature Transmitter TX40U IT ...

Page 2: ...place Batteries in the Atomic Wall Clock 7 Position the Atomic Wall Clock 7 Position the Outdoor Transmitter 8 Care and Maintenance 8 Specifications 8 Warranty Information 9 FCC Statement 10 KWS 8140U IT 2 AA Alkaline batteries 9 17 x 1 16 x 8 30 233 x 29 4 x 210 8 mm Features Wireless outdoor temperature F or C Monitors indoor temperature F or C Monitors indoor humidity 12 moon phases Atomic time...

Page 3: ...hen reset all units see SETUP above otherwise transmission problems may occur The maximum transmission range is 220 feet 60 meters from the outdoor temperature transmitter to the atomic wall clock in open space However this depends on the surrounding environment and interference levels If no reception is possible despite the observation of these factors all system units have to be reset see SETUP ...

Page 4: ... setting Weekday setting 12 24h time format display ºF ºC temperature setting Time Zone The time zone can be set between the 12 hour range Hold the SET button for 5 seconds 1 The time zone 5 EST will flash Use the button to select the desired time zone Time zone settings 12 11 10 ALA PST MST CST EST ATL EST 4 3 2 1 0 1 2 12 Default EST 2 Press and release the SET button to enter the DST Setting DS...

Page 5: ...button to select 12 hour or 24 hour time format 3 Press and release the SET button to move to select ºF or ºC Temperature F or C Temperature The temperature setting can be set to either to ºF or ºC Default setting F 1 The characters F or C will flash 2 Use the button to select F for temperature display in degrees Celsius or C for degrees Fahrenheit 3 Press and release the SET button to exit the se...

Page 6: ...ill be automatically ON when the alarm time is set The alarm icon is visible after the minutes To deactivate the alarm OFF press and release once the ALM button in normal mode display The alarm icon will disappear the alarm is now off Snooze When the alarm sounds press the SNZ button on the back of the clock to activate the snooze feature for 10 minutes Moon Phase The Moon Phase will show accordin...

Page 7: ... is due to a random security code assigned by the transmitter at start up This code must be received and stored by the atomic wall clock in the first 3 minutes of power being supplied to the transmitter If the atomic wall clock has been operating for more than 5 hours remove batteries from the outdoor transmitter and the atomic wall clock for at least 15 minutes before completing a restart Install...

Page 8: ...et mark the mounting surface with a pencil 4 Screw mounting bracket onto the mounting surface Ensure that the screws are flush with the bracket Do not over tighten 5 Insert the outdoor temperature sensor into the bracket Note Mounting with adhesive tape is not recommended as a permanent mounting solution Only use adhesive tape during set up process Care and Maintenance Do Not Mix Old and New Batte...

Page 9: ...ged for the repairs or examination The owner must pay any shipping charges incurred in getting the La Crosse Technology Ltd product to a La Crosse Technology Ltd authorized service center La Crosse Technology Ltd will pay ground return shipping charges to the owner of the product to a USA address only The La Crosse Technology Ltd warranty covers all defects in material and workmanship with the fol...

Page 10: ...protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interferenc...

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