La Crosse Technology W79752 User manual

SET UP GUIDE
MODEL: W79752
Digital Atomic Wall Clock

1. Insert 2-AA batteries into your Outdoor Sensor.
2. Insert 2-AA batteries into your Atomic Clock.
3. Enter the Settings Menu to adjust your time and date.
4. Once the sensor is reading to your clock, place the senor outside in a
shaded location. View our sensor mounting video here:
bit.ly/th_sensor_mounting
• The clock will automatically search for the Atomic Time Signal two hours
after power up and at UTC 7:00, 8:00, 9:00, 10:00, and 11:00.
• The Atomic Time Signal Icon will flash while searching and be solid
when it has connected.
• From the normal time display, press the SET button to manually start
or stop a search for the WWVB time signal. For information about WWVB
visit: bit.ly/AtomicTime.
Power Up
Atomic Time
2
Outdoor Sensor
TX141
(all versions)
Atomic Clock
W79752
AA
AA
AA
AA

Settings Menu
1. Hold the SET button to enter the Settings Menu.
2. Use the +/- buttons to adjust values.
3. Press SET to confirm values.
4. Press the SNOOZE button at any time to save and exit.
Settings Menu Order:
• Language (English, Spanish, French)
• Beep ON/OFF
• Atomic ON/OFF
• DST ON AUTOMATIC/ DST ALWAYS OFF / DST ALWAYS ON
(Change Spring/Fall) (Standard Time all year) (DST all year)
• Time Zone
• 12/24 Hour Format
• Hour
• Minutes
• Year
• Month
• Date
• Fahrenheit/Celsius
Language: The language selected will adjust the weekday and month
readouts as well as other menu items.
Atomic OFF: When selected, the menu will skip DST and Time Zone settings
and move straight to the 12/24 Hour setting.
Weekday: Sets automatically when Year, Month and Date are set.
TIME ZONE
ATLANTIC
EASTERN
CENTRAL
MOUNTAIN
PACIFIC
ALASKA
HAWAII
3

4
Time Alarm
Set Alarm:
1. Hold the ALARM button until the display changes to enter the Alarm
Settings.
2. Press and release the +/- buttons to adjust values.
3. Press the ALARM button to confirm and move to the next item.
Alarm Hour Alarm OFFAlarm ONAlarm Minutes
Silence a sounding alarm:
Press any button except SNOOZE to silence the alarm for 24 hours.
Activate/Deactivate Alarm:
• Press the ALARM button to activate or deactivate the alarm.
• The Alarm Icon will show when alarm is active.
Snooze:
• When the alarm sounds, press the SNOOZE button to silence the
alarm for 10 minutes. Zz will show.
Note: The alarm will sound with increasing frequency for two minutes,
then shut off automatically if not silenced.

5
Both the Indoor and Outdoor Temperature have Trend Arrows to indicate
temperature changes (2°F / 1°C) over the past one hour period.
Temperature has risen over the past hour.
Temperature has been steady over the past hour.
Temperature has fallen over the past hour.
The moon phase is based on the Lunar Calendar and the year, month, and
date settings.
Moon Phase
Full Moon
New Moon
Small Waning
Crescent
Large Waxing
Gibbous
Large Waning
Crescent
Small Waxing
Gibbous
Last Quarter
First Quarter
Small Waning
Gibbous
Large Waxing
Crescent
Large Waning
Gibbous
Small Waxing
Crescent
Temperature
Temperature Trend Arrows:

6
Temperature
Sensor Connected Search for SensorSensor Not Connected
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
next to the display and remove power 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 o.
4. Install a new set of alkaline batteries into the sensor, then 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 sta via the link below.

7
Low Battery Indicator
By the Time, replace clock batteries.
By the Outdoor Temperature, replace sensor batteries.
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
If you require additional assistance, get in touch with our
friendly customer support team based in La Crosse, WI.
Self Help: bit.ly/w79752_support
Online: bit.ly/contact_techsupport
Phone: [phone]
Our knowledgable customer support team is available:
Mon-Fri 8am-6pm CST
We’re Here to Help SCAN HERE
Additional Info
and Support
Ask questions, watch setup videos, and provide feedback on our social media
outlets. Follow La Crosse Technology on YouTube, Twitter, Facebook and Instagram.
Stay in Touch!

8
SPECIFICATIONS
Atomic Clock (W79752)
Temperature Range: 32°F to 99°F
(0°C to 37°C)
Update Interval: About every 51 seconds
Power: 2-AA, IEC, LR6 batteries
(not included)
Battery Life: Over 12 months
Outdoor Sensor (TX141 (all versions))
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 24 months
Designed in La Crosse, Wisconsin •Made in China •Printed in China •DC 022823

9
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 o 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 dierent
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.
FCC Statment
Warranty & Patents
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
Patents:
www.lacrossetechnology.com/pages/patents
Battery Replacement Instructions
When batteries of dierent brand or type are used together,
or new and old batteries are used together, some batteries
may be over-discharged due to a dierence 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
most 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
dierent types.
•Clean the battery contacts and also 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.
Care & Maintenance

DOUBLE YOUR WARRANTY
Scan Here
Scan the QR Code or visit:
bit.ly/w79752_register
to register your product and double the
standard 1-year warranty for free by opting
to recieve occasional product emails.