About the Daily Alarms: .....................................8
Automatic Snooze function:....................................8
Online Resources...................................................8
Care and Maintenance ...........................................8
WS-8115U
Atomic Digital Wall Clock
with Time with Seconds, Month,
Date, Day, & IN/OUT Temperature
Battery Replacement..............................................9
The Low Battery Icons: .................................9
Specifications .......................................................10
Power Requirements............................................10
FCC Statement.....................................................10
Warranty Information............................................11
Congratulations
You have purchased an atomic digital Atomic
Clock from La Crosse Technology®, providing the
world's most accurate time at a glance, plus
wireless outdoor temperature.
by La Crosse Technology®
La Crosse Technology, Ltd.
2809 Losey Blvd. S.
INSTANT TRANSMISSION is the state-of-
the-art new wireless transmission
technology, exclusively designed and
developed by LA CROSSE TECHNOLOGY.
INSTANT TRANSMISSION offers you an
immediate update (every 8 seconds!) of all
your outdoor data measured from the
transmitters: follow your climatic variations
in real-time!
This product offers:
La Crosse, WI 54601
Phone 608-782-1610
Table of Contents
Table of Contents ...................................................1
Congratulations ......................................................2
Features: ................................................................2
Setup Information: ..................................................3
Features:
WWVB Radio Controlled Clock (Atomic Clock)
Time in 12/24 hour format
Manual time setting option
Time Zone setting: +/- 12 Hours from GMT
Daylight Saving Time(DST) On/Off
Continuous calendar up to year 2054
The Outdoor Temperature Sensor..........................4
Positioning the Temperature Sensor:............4
To wall mount the Temperature Sensor:.......4
WWVB (Atomic Time) Radio signal:.......................4
Setup of Time and Display Options: .......................5
1. Set the Time Zone:....................................5
2. Set Daylight Saving Time ON/OFF: ..........6
3. Set Language:...........................................6
5. Set Time Manually - Minute: .....................6
6. Set Date Manually - Year:.........................6
7. Set Date Manually - Month:.......................6
8. Set Date Manually - Date:.........................6
9. Set Date Manually - Day of Week:............6
10. Set 12 or 24 Hour Time Mode:................7
11. Set Temperature Mode - °F or °C: ..........7
Date and weekday displayed and set
automatically with the time
Temperature display in °F or °C
Snooze function (10 minutes)
Indoor thermometer
Wireless Outdoor Temperature Sensor
Battery - Atomic Clock: 2 X “AA” size 1.5V (not
included)
Battery - Wireless Outdoor Temperature Sensor:
Daylight Saving Time..............................................7
2 X “AAA” size 1.5V (not included)
Setting the Daily Alarms: ........................................7
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The radio tower icon will disappear if the
signal reception is unsuccessful.
About WWVB (Atomic Time) Radio Signal
Reception:
. -8: PST - Pacific
. -9: ALA - Alaska
. -10,-11,-12,12,11,10,9,8,7,6,5,4,3,2,1: Other
time zones
A continuously displayed radio tower icon
indicates that the WWVB signal was received
successfully during the last attempt. If the
clock attempts to receive the WWVB signal
and is unsuccessful, the tower icon will not be
continuously displayed on the LCD.
. 0: - Greenwich Mean Time (GMT)
2. Set Daylight Saving Time ON/OFF:
Press the “SET” button a second time and DST
will flash. Press the "PLUS" button to toggle
Daylight Saving Time on ("On") or off ("OFF").
See "Daylight Saving Time" on page 7 for
more information.
We recommend a minimum distance of 8 feet
(2.5 meters) to all sources of interference,
such as televisions or computer monitors
3. Set Language:
Press the “SET” button a third time and the
Language Abbreviation will flash. Press the
"PLUS" button to switch the Language to be
displayed. The three-letter abbreviation for the
day of the week will display in the bottom of the
LCD while the setting flashes above.
Radio reception is weaker in rooms with
concrete walls (e.g.: in cellars) and in offices.
In such environments, place the system close
to the window.
Setup of Time and Display Options:
. US: English (default setting)
. F: French (Français)
. E: Spanish (Español)
. d: German (Deutsch)
Note: Manual time and date settings are optional.
In most cases, the time and date will set
automatically via WWVB radio signal. If placement
for the display does not allow for WWVB reception
due to interference, you will need to set the time
and date manually.
4. Set Time Manually - Hour:
Press the “SET” button a fourth time and the
Hours digits will flash. Use the “PLUS“ button
to set the correct hour.
Above: Back view of Atomic Clock showing
buttons and battery compartment.
5. Set Time Manually - Minute:
Press the “SET” button a fifth time and the
Minutes digits will flash. Use the “PLUS“ button
to set the correct minute.
Note: The "SET" button is used to enter SET
mode. The display will exit SET mode
automatically after 10 seconds of inactivity. If the
display exits SET mode while you are following the
setup instructions, press the "SET" button the
indicated number of times to return to the portion of
the SET mode desired.
6. Set Date Manually - Year:
Press the “SET” button a sixth time and the
Year digits will flash. Use the “PLUS“ button to
set the correct year.
7. Set Date Manually - Month:
1. Set the Time Zone:
Press the “SET” button a seventh time and the
Month digits will flash. Use the “PLUS“ button
to set the correct month.
Press the “SET” button and the Time Zone
display will flash. Use the “PLUS” button to
select the correct Time Zone setting from the
available selections below:
8. Set Date Manually - Date:
Press the “SET” button an eighth time and the
Date digits will flash. Use the “PLUS“ button to
set the correct date.
. -1,-2,-3: Other time zones
. -4: ATL - Atlantic
. -5: EST - Eastern (default setting)
. -6: CST - Central
9. Set Date Manually - Day of Week:
. -7: MST - Mountain
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Press the “SET” button a ninth time and the
Day of Week abbreviation will flash. Use the
“PLUS“ button to set the correct day of week.
10. Set 12 or 24 Hour Time Mode:
icon
below the word "ALARM". When
deactivated, the alarm icon
display.
does not
About the Daily Alarms:
Press the “SET” button a tenth time and the 12
or 24 Hour Time Mode digits will flash. Use
the “PLUS“ button to set the time mode to
either a 12 or 24 hour clock.
After 30 seconds without pressing any button
the clock switches automatically from alarm
setting mode to normal clock mode.
11. Set Temperature Mode - °F or °C:
Press the “SET” button an eleventh time and
the Temperature Mode abbreviation will flash.
Use the “PLUS“ button to set the temperature
mode to °F or °C.
The alarm will sound for 85 seconds if not
deactivated. You can deactivate it by pressing
any button. The alarm will be repeated
automatically after 24 hours.
The alarm uses 3 different patterns of tone,
beginning gently and increasing in intensity,
known as a "Crescendo Alarm". The effect is
to provide increasing levels of alarm to ensure
waking while providing a gentle alarm to
lighter sleepers.
Daylight Saving Time
The National Institute of Standards and
Technology and WWVB encode a special DST
“bit” in the WWVB transmission for DST.
Your La Crosse Technology® clock will read
this information (only if "DST" is set to "On")
and automatically advance the time one hour
in the spring and back an hour in the fall.
Automatic Snooze function:
While the alarm is sounding, press the
"SNOOZE" button to activate the snooze
Arizona and Indiana: If you live in an area that
does not recognize DST you must de-activate
Daylight Saving Time by setting "DST" to
"OFF"
function. The alarm icon
flashes on the
display until the alarm sounds again when the
Snooze period is over (10 minutes).
Pressing the "SNOOZE" button moves the
alarm back by 10 minutes and the alarm will
restart at this time.
See "Set Daylight Saving Time ON/OFF" on
page 6 for instructions.
Setting the Daily Alarms:
The Snooze function can be interrupted by
pressing any button.
To turn the alarm on:
Press the "ALARM" button. The LCD will
Online Resources
display the alarm icon
.
Visit the WS-8115U page online at:
To set the Alarm Time - Hour: Press and
hold down the "ALARM" button for 2 seconds
until the hours digits flash. Use the “PLUS”
button to set the hour. Press the "ALARM"
button to confirm your setting and move to
setting the minutes.
Care and Maintenance
Extreme temperatures, vibration and shock
should be avoided as these may cause
damage to the unit and give inaccurate
readings.
To set the Alarm Time - Minutes: The
Minutes digits of the Alarm Time will flash. Use
the “PLUS” button to set the minutes. You can
hold the "PLUS" button in to speed up the
setting of minutes by using five minute
increments. Press the "ALARM" button to
confirm your minutes setting and to end the
setting procedure.
Precautions shall be taken when handling the
batteries. Injuries, burns, or property damage
may be resulted if the batteries are in contact
with conducting materials, heat, corrosive
materials or explosives. The batteries shall be
taken out from the unit before the product is to
be stored for a long period of time.
To activate or deactivate the daily alarms,
briefly press the “ALARM” button once. When
the alarm is active the clock displays the alarm
Immediately remove all low powered batteries
to avoid leakage and damage. Replace only
with new batteries of the recommended type.
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Specifications
When cleaning the display and casings, use a
soft damp cloth only. Do not use solvents or
scouring agents as they may mark the LCD
and casings.
Battery Life - Atomic Clock: Up to 24
months
Battery Type - Atomic Clock: 2 X AA (IEC
LR6, 1.5V)
Do not submerge the unit in water.
Furthermore, fix all parts in place where the
units are adequately protected against
moisture and rain.
Battery Life - Wireless Outdoor
Temperature Sensor: Up to 12 months - 2 X
Special care shall be taken when handling a
damaged LCD display. The liquid crystals can
be harmful to user's health.
Battery Type - Wireless Outdoor
Temperature Sensor: 2 X AAA (IEC LR3,
1.5V)
Do not make any repair attempts to the unit.
Return them to their original point of purchase
for repair by a qualified engineer. Opening and
tampering with the unit may invalidate their
guarantee.
Indoor thermometer measurement range:
14.2°F to 99.9° F (-9.9°C to 37.8°C)
Indoor temperature update interval: every
16 seconds
Wireless Outdoor Temperature Sensor
measurement range: -39.8° F to 139.8° F (-
39.9° C to 59.9° C)
Never touch the exposed electronic circuit of
the device as there is a danger of electric
shock should it become exposed.
Outdoor temperature update interval: every
8 seconds
Do not expose the units to extreme and
sudden temperature changes, this may lead to
reduce their accuracy.
Wireless Outdoor Temperature Sensor
transmission range: 200 feet.
Batteries are the single largest cause of
customer support cases. Please use plain
Alkaline batteries testing no less than 1.48 on
a voltmeter or with and expiration date 7 years
in the future.
Dimensions - Atomic Clock: 8.95” L x 1.20”
W x 7.20” H
Dimensions - Wireless Outdoor
Temperature Sensor: 1.27” L x 0.55” W x
3.41” H
Battery Replacement
Power Requirements
If you notice that the LCD appears faint or that
WWVB time reception is not working properly,
try a fresh set of batteries before contacting
customer support.
Note: Rechargeable batteries are not
recommended due to the wide variation in
performance between brands and types. Please
use only fresh Alkaline batteries.
The Low Battery Icons:
Atomic Clock: 2 “AA” Alkaline Batteries (not
included)
When the batteries need to be replaced in the
Wireless Outdoor Sensor, the LCD will display
the “TX” icon.
Wireless Outdoor Temperature Sensor:
2 “AAA” Alkaline Batteries (not included)
When the batteries need to be replaced in the
Atomic Clock, the LCD will display the “RX”
icon.
FCC Statement
FCC ID: OMO-TX38U
This device complies with part 15 of the FCC rules.
Operation is subject to the following 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.
Freq. 915 MHz
La Crosse Technology
Model: TX38-IT-N
We recommend that you replace the
batteries in all units regularly to ensure
optimum accuracy of these units. Please
see the battery life in the specifications
below.
Help us to keep our environment clean. Return
used batteries to an authorized depot.
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Made in China
Ltd authorized service center; (6) units used for
other than home use (7) applications and uses that
this product was not intended or (8) the products
inability to receive a signal due to any source of
interference.
Warranty Information
La Crosse Technology, Ltd provides a 1-year
limited warranty on this product against
manufacturing defects in materials and
workmanship.
This warranty covers only actual defects within the
product itself, and does not cover the cost of
installation or removal from a fixed installation,
normal set-up or adjustments, claims based on
misrepresentation by the seller or performance
variations resulting from installation-related
circumstances.
LA CROSSE TECHNOLOGY, LTD WILL NOT
ASSUME LIABILITY FOR INCIDENTAL,
CONSEQUENTIAL, PUNITIVE, OR OTHER
SIMILAR DAMAGES ASSOCIATED WITH THE
OPERATION OR MALFUNCTION OF THIS
PRODUCT. THIS PRODUCT IS NOT TO BE
USED FOR MEDICAL PURPOSES OR FOR
PUBLIC INFORMATION. THIS PRODUCT IS
NOT A TOY. KEEP OUT OF CHILDREN’S
REACH.
This warranty gives you specific legal rights. You
may also have other rights specific to your State.
Some States do no allow the exclusion of
consequential or incidental damages; therefore the
above exclusion of limitation may not apply to you.
For warranty work, technical support, or
information contact:
This limited warranty begins on the original date of
purchase, is valid only on products purchased and
used in North America and only to the original
purchaser of this product. To receive warranty
service, the purchaser must contact La Crosse
Technology, Ltd for problem determination and
service procedures. Warranty service can only be
performed by a La Crosse Technology, Ltd
authorized service center. The original dated bill of
sale must be presented upon request as proof of
purchase to La Crosse Technology, Ltd or La
Crosse Technology, Ltd’s authorized service
center.
La Crosse Technology, Ltd will repair or replace
this product, at our option and at no charge as
stipulated herein, with new or reconditioned parts
or products if found to be defective during the
limited warranty period specified above. All
replaced parts and products become the property
of La Crosse Technology, Ltd and must be
returned to La Crosse Technology, Ltd.
Replacement parts and products assume the
remaining original warranty, or ninety (90) days,
whichever is longer. La Crosse Technology, Ltd
will pay all expenses for labor and materials for all
repairs covered by this warranty. If necessary
repairs are not covered by this warranty, or if a
product is examined which is not in need of repair,
you will be charged for the repairs or examination.
The owner must pay any shipping charges incurred
in getting your La Crosse Technology, Ltd product
to a La Crosse Technology, Ltd authorized service
center.
Hours: Mon-Fri. – 8:00 AM to 6:00 PM Central
Contact Customer Support:
La Crosse Technology, Ltd
2817 Losey Blvd. S.
La Crosse, WI 54601
Phone: 608.782.1610
Your La Crosse Technology, Ltd warranty covers
all defects in material and workmanship with the
following specified exceptions: (1) damage caused
by accident, unreasonable use or neglect
(including the lack of reasonable and necessary
maintenance); (2) damage occurring during
shipment (claims must be presented to the carrier);
(3) damage to, or deterioration of, any accessory
or decorative surface; (4) damage resulting from
failure to follow instructions contained in your
owner’s manual; (5) damage resulting from the
performance of repairs or alterations by someone
other than an authorized La Crosse Technology,
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.
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