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TIME

TEMPERATURE

DESIRED HOUR

SEARCH FOR OUTDOOR SENSOR

If you are seeing NO or dashes for your outdoor readings, 
please try the following steps:

1. Hold the Plus (+) button to search for your outdoor sensor. 

The  Reception Indicator      will begin to animate. 

2. If after 3 minutes the sensor still isn’t connected, bring 

the sensor inside   and remove power cord and batteries 
from both the sensor and clock. 

3. Press any button on the clock 20 times and leave the 

parts sit for a few moments with the power off. 

4. Install a new set of alkaline batteries into the sensor, then 

insert the power cord and battries into your clock.

   For additional help visit: 

bit.ly/basic_restart

5. If your outdoor data is still not appearing after these 

steps, please contact our support staff via the links on the 
next page. 

CUSTOM DISPLAY OPTIONS

SPECIFICATIONS

Atomic Clock 513-21867 (513-1429BL):

Temperature Range: 

32°F to 122°F (0°C to 50°C)

Humidity Range: 

10% RH to 99% RH

Power Requirements:

 6 “AA” (LR6, IEC) batteries (not included)

Battery Life:

 Over 24 months with reputable batteries.

Dimensions: 

17.44” L x 11.73” H

 x 

1.22” W 

                     

(

44.3cm L x 29.8cm H x 3.1cm W)

Outdoor Sensor (TX141TH-Bv3)

Temperature Range:

 -40°F to 140°F (-40°C to 60°C)

Transmission Range:

 Over 330 ft. open air (100 meters) RF 433MHz

Update Interval: 

About every 51 seconds

Power:

 2-AA, IEC, LR6 batteries (not included)

Battery Life: 

Over 12 months 

Dimensions:

 

1.57” L x 0.79” W x 5.12” H (4.0 L x 2.0 W x 13.0 H cm)

WARRANTY INFO

La Crosse Technology, Ltd. provides a 

1-year limited time warranty

 

(from date of purchase) on this product relating to manufacturing 
defects in materials & workmanship. 
La Crosse Technology, Ltd, 2830 S. 26th St., La Crosse, WI 54601

For Full Warranty Details, Visit: 

www.lacrossetechnology.com/pages/warranty

FCC STATEMENT 

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. 

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.

CAUTION!

Any changes or modifications not expressly approved by the 
party responsible for compliance could void the user’s authority to 
operate the equipment.

All rights reserved. This manual may not be reproduced in any 
form, even in part, or duplicated or processed using electronic, 
mechanical or chemical process without the written permission of 
the publisher. 

This booklet may contain errors or misprints. The information 
it contains is regularly checked and corrections are included 
in subsequent editions. We disclaim any responsibility for any 
technical error or printing error, or their consequences. 

All trademarks and patents are recognized.

If you require additional support, get in touch with our 
friendly customer support team based out of 
La Crosse, WI.

Phone:

 1-608-782-1610

Online: 

bit.ly/contact_techsupport

Our knowledgeable customer support team is 
available Monday-Friday, 8am-6pm CST.

WE’RE HERE TO HELP!

        CA WARNING:

This product can expose you to chemicals including 
acrylonitrile, butadiene, and styrene, which are known to 
the State of California to cause cancer and birth defects or 
other reproductive harm.  
For more information, go to: 

www.P65Warnings.ca.gov

Ask questions, watch setup videos, and provide 
feedback on our social media outlets: Facebook, 
Instagram, You Tube and Twitter.

JOIN THE CONVERSATION

CARE + MAINTENANCE

Battery replacement instruction:

When batteries of different brand or type are used together, or 
new and old batteries are used together, some batteries may be 
over-discharged due to a difference of voltage or capacity. This 
can result in venting, leakage, and rupture and may cause personal 
injury.

•  Always purchase the correct size and grade of battery suitable 

for the intended use.

•  Always replace the whole set of batteries at one time, taking 

care not to mix old and new ones, or batteries of different types.

•  Clean the battery contacts and those of the device prior to 

battery installation.

•  Ensure the batteries are installed correctly with regard to polarity 

(+ and -).

•  Remove batteries from product during periods of non-use. 

Battery leakage can cause corrosion and damage to this 
product.

•  Remove used batteries promptly.
•  For recycling and disposal of batteries, and to protect the 

environment please check the internet or your local phone 
directory for local recycling centers and / or follow local 
government regulations.

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