La Crosse Technology Clock WS 8117U IT User Manual

WWVB Radio controlled time with manual time setting  
12/24 hour time display  
Time display: hour, minute, second  
Alarm setting with snooze function  
Calendar display  
Weekday display (4 languages to choose from: English, French, Spanish, and German)  
Time zone setting  
Daylight savings time ON/OFF option (DST)  
ºC or ºF temperature display selectable  
Indoor temperature display  
WS-8117U-IT  
ATOMIC CLOCK WITH OUTDOOR WIRELESS TEMPERATURE  
AND MOON PHASE  
Instruction Manual  
This product offers:  
INSTANT TRANSMISSION is the state-of-the-art  
new  
exclusively designed and developed by LA  
CROSSE TECHNOLOGY. INSTANT  
TRANSMISSION offers you an immediate update  
(every seconds!) of all your outdoor data  
wireless  
transmission  
technology,  
Outdoor temperature display via 915MHz transmission  
Wall mount or freestanding  
Current moon phase display  
4
OUTDOOR TEMPERATURE SENSOR:  
measured from the transmitters: follow your  
climatic variations in real-time!  
Remote transmission of outdoor temperature to the  
atomic clock by 915 MHz signals  
Wall mounting case  
FEATURES:  
ATOMIC CLOCK:  
Hanging holes  
Holder  
LCD1  
display  
Function keys  
Foldable stand  
TO INSTALL AND REPLACE BATTERIES IN THE ATOMIC CLOCK  
The atomic clock uses 2 x AA, 1.5V batteries. To install and replace the batteries, please follow  
the steps below:  
LCD2  
display  
1.  
Insert finger or other solid object in the space at the bottom center of the battery  
compartment and lift up to remove the cover.  
2.  
3.  
Insert batteries observing the correct polarity (see marking inside battery compartment).  
Replace compartment cover.  
Battery cover  
DO NOT SET THE CLOCK.  
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2
 
Year setting  
Month setting  
Date setting  
Weekday setting  
12/24 hour time display setting  
ºC or ºF setting  
LANGUAGE SETTING  
The weekdays can be displayed in LCD1 with the pre-set languages: US English, French, Spanish  
and German (US, F, E, d).  
1.  
2.  
Set the desired language for the weekday display in LCD1 by use of the + key.  
Press and release the SET key to enter the mode “Manual Time Setting”.  
MANUAL TIME SETTING  
In case the atomic clock is not able to detect the WWVB-signal (disturbances, transmitting  
distance, etc.), the time can be manually set. The clock will then work as a normal Quartz clock.  
TIME ZONE SETTING  
After entering the manual setting mode as described above, the time zone can be set between the  
+12 to –12 hour or Greenwich Mean Time (GMT) range in LCD2. To do this:  
Note: In 12 hours mode the time will be displayed with an additional PMfor the time from 12:00  
noon until 11:59.  
1.  
2.  
3.  
4.  
The hour digits will start flashing on LCD1.  
Set the desired hours by pressing and releasing the + key followed by pressing the SET key.  
Now the minute digits will start flashing.  
Set the desired minutes by pressing and releasing the + key . If the + key is held, the units  
will increase by 5.  
Press and release the SET key to move to the “Year Setting”.  
1.  
The time zone (LCD2) will start flashing (Default setting "-5h“). Select the desired time zone  
by pressing and releasing the + key.  
5.  
Note: The time zones from –4 to –10 hours will be displayed with 3 characters abbreviations:  
Note:  
-4 ATL (Atlantic time),  
-5 EST (Eastern time; default time zone),  
-6 CST (Central time),  
-7 MST (Mountain time),  
-8 PST (Pacific time),  
-9 ALA (Alaska time),  
-10 HAW (Hawaii time).  
"GMT” will be displayed if set to GMT (0).  
Press and release the SET key to enter the “DST Setting“.  
The unit will still try and receive the signal every day despite it being manually set. When it does  
receive the signal, it will change the manually set time into the received time. During reception  
attempts the WWVB tower icon will flash. If reception has been unsuccessful, then the WWVB  
tower icon will not appear but reception will still be attempted the next hour.  
WWVB reception occurs daily at 12:00 am and 06:00 am. If the reception is not successful at  
12:00 am, then the next reception takes place the next hour and so on until 06:00am, or until the  
reception is successful. If the reception is not successful at 06:00 am, then the next attempt will  
take place the next day at 12:00 am.  
2.  
The other times WWVB reception takes place are upon setup and after manual time set exiting  
mode. Reception is generally not possible during daylight hours due to the interference of the sun.  
DST SETTING (daylight saving time)  
1.  
2.  
The ON digit will start flashing on LCD1. Set the DST ON or OFF by pressing the + key.  
Press and release the SET key to enter the “Language Setting“.  
YEAR SETTING  
The year can be selected sequentially from 2001 to 2029 and will then start over again (default  
setting 2006). Only the last 2 digits of the year will be visible on LCD2.  
Note:  
The DST default is “ON”, meaning that the WWVB will automatically change the time according to  
Daylight Saving Time in the spring and fall. For areas that do not recognize DST changes  
(Arizona and parts of Indiana) turn the DST “OFF”.  
1.  
2.  
The year digits will start flashing on LCD2. Select the desired year by use of the + key.  
Press and release the SET key to switch to the “Month Setting”.  
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2.  
3.  
4.  
5.  
Press and release the + key to set the hour.  
Press and release the ALM key to set the minutes. The minute digits start flashing.  
Press and release the + key to set the minutes.  
Press and release again the ALM key to exit the Alarm setting mode or wait for 15 seconds  
automatic timeout.  
MONTH SETTING  
1.  
2.  
The month digits on LCD2 will start flashing. Set the desired month by use of the + key.  
Press and release the SET key to move to the mode “Date Setting”.  
DATE SETTING  
1.  
The digits for the date will start flashing on LCD2 (Default setting 1). Set the desired date by  
TO DEACTIVATE THE ALARM:  
use of the + key.  
Note: The date can only be set in conjunction with the selected month. For example, it is not  
possible to set the date 30 if the month of February is selected.  
Press and release the SET key to enter the “Weekday Setting”.  
Alarm icon  
((())) (ON)  
2.  
WEEKDAY SETTING  
The alarm will be automatically ON when the alarm time is set. To deactivate the alarm (OFF),  
press and release once the ALM key in normal mode display. The alarm icon will disappear, the  
alarm is now off.  
1.  
The weekday symbols will be displayed on LCD2 in the pre-set language and flashing. Set  
the desired weekday by use of the + key.  
2.  
Press and release the SET key to enter the mode “12/24 Hours Time Display Setting”.  
SNOOZE SETTING  
The snooze can only be activated during alarm time for a snooze duration of 10 minutes by  
pressing the SNZ key on the back of the clock  
12/24 HOURS TIME DISPLAY SETTING  
1.  
The “12h” or “24h” will start flashing in LCD1 (Default setting 12h). Select the desired time  
display mode by use of the + key.  
2.  
Press and release the SET key to enter the “ºC/ºF Temperature Setting“.  
OUTDOOR TEMPERATURE SENSOR:  
The temperature is measured and transmitted to the atomic clock every 4 seconds. The atomic  
clock will update the outdoor temperature display every 4 seconds.  
The range of the outdoor temperature sensor may be affected by the temperature. At cold  
temperatures the transmitting distance may be decreased. Please bear this in mind when  
positioning the sensor. Also the batteries may be reduced in power during periods of extreme cold  
temperatures.  
°C OR °F TEMPERATURE SETTING  
1.  
The characters “°C” or “°F” will start flashing on LCD1 (Default setting °F). By use of the +  
key select “°C” for temperature display in degrees Celsius or “°F” for degrees Fahrenheit.  
Press and release the SET key to exit the setting mode and switch back to the normal  
display mode.  
2.  
EXIT THE MANUAL SETTING MODES  
915MHz RECEPTION CHECK FOR OUTDOOR TEMPERATURE SENSOR  
The atomic clock will receive the temperature data within 3 minutes. If the temperature data is not  
being received 3 minutes after setting up (the display shows “- - -”), then please check the  
following points:  
To return to the normal display mode from anywhere in manual setting mode simply press  
the SNZ key anytime.  
If no keys are pressed for at least 15 seconds in setting mode, the atomic clock will  
automatically switch back to normal display mode.  
1.  
The distance of the atomic clock or outdoor temperature sensor should be at least 6 feet (2  
meters) away from any interfering sources such as computer monitors or TV sets.  
Avoid placing the receiver onto or in the immediate proximity of metal window frames.  
ALARM SETTING  
To enter into the alarm setting mode:  
2.  
1.  
Hold the ALM key for 4 seconds. The hour digits start flashing.  
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8
 
3.  
4.  
Using other electrical products such as headphones or speakers operating on the same  
signal frequency (915MHz) may prevent correct signal transmission and reception.  
Neighbors using electrical devices operating on the 915MHz signal frequency can also  
cause interference.  
physicists have created an international standard, measuring a second as 9,192,631,770  
vibrations of a Cesium 133 atom in a vacuum. This atomic clock regulates the WWVB transmitter.  
Once the outdoor temperature is displayed on the atomic clock, the WWVB tower icon in the clock  
display will start flashing in the top center of the LCD. This indicates that the clock has detected a  
radio signal and is trying to receive it. When the time code is received, the WWVB tower becomes  
permanently lit and the time will be displayed.  
Note:  
When the 915 MHz signal is received correctly, do not re-open the battery cover of either the  
outdoor temperature sensor or atomic clock, as the batteries may spring free from the contacts  
and force a false reset. Should this happen accidentally then reset all units (see Setting up  
above) otherwise transmission problems may occur.  
If the tower icon flashes, but does not set the time or the WWVB tower does not appear at all, then  
please take note of the following:  
Recommended distance to any interfering sources like computer monitors or TV sets is a  
minimum of 6 feet (2 meters).  
The maximum transmission range is 330 feet (100 meters) from the outdoor temperature sensor  
to the atomic 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 Setting up).  
Within ferro-concrete rooms (basements, superstructures), the received signal is naturally  
weakened. In extreme cases, please place the unit close to a window and/ or point its front  
or back towards the Fort Collins, Colorado, transmitter.  
During nighttime, the atmospheric disturbances are usually less severe and reception is  
possible in most cases. A single daily reception is adequate to keep the accuracy deviation  
below 1 second.  
CHANGING THE DISPLAY MODE (DAY, SECONDS, AND TEMPERATURES)  
There are 4 possible display modes to view the day, seconds, and temperatures.  
The month&date/weekday/indoor temperature/outdoor temperature is the default.  
Note:  
To change the display:  
In case the atomic clock is not able to detect the WWVB-signal (disturbances, transmitting  
distance, etc.), the time can be manually set (please refer to notes on Manual time setting).  
1.  
2.  
3.  
4.  
Press the + key. The display should now show the month&date/weekday/seconds/outdoor  
temperature.  
Press the + key a second time and the display will show the month&date/weekday/indoor  
temperature/seconds.  
Press the + key a third time and the display will show the month&date/seconds/indoor  
MOON PHASE  
The Moon Phases, and their corresponding dates appear in LCD 2. There are 12 visible Moon  
Phases that will show in the LCD 2:  
temperature/outdoor temperature.  
Press the + key a fourth time and the display will return to the normal display.  
WWVB RADIO CONTROLLED TIME  
New Moon Small Waxing Large Waxing First Quarter Small Waxing  
Crescent Crescent Gibbous  
Large Waxing  
Gibbous  
The NIST radio station, WWVB, is located in Ft. Collins, Colorado and transmits the exact time  
signal continuously throughout the United States at 60 kHz. The signal can be received up to  
2,000 miles away through the internal antenna in the atomic clock. However, due to the nature of  
the Earth’s Ionosphere, reception is very limited during daylight hours. The atomic clock will  
search for a signal every night when reception is best. The WWVB radio station derives its signal  
from the NIST atomic clock in Boulder, Colorado. A team of atomic physicists continually  
measures every second of every day to an accuracy of ten billionths of a second a day. These  
FullMoon  
Large Waning Small Waning Last Quarter Large Waning  
Gibbous Gibbous Crescent  
Small Waning  
Crescent  
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WALL MOUNTING  
POSITIONING  
1) Using a straightedge, horizontally space at 4 inch (100mm) three screw  
positions on a wall.  
2) Install three mounting screws (not included) into a wall within transmission  
range—leaving approximately 3/16 of an inch (5mm) extended from the  
wall.  
Before permanently mounting ensure that the atomic clock is able to receive WWVB signals from  
the desired location. Also, extreme and sudden changes in temperature will decrease the  
accuracy of the atomic clock, and changes in elevation will result with inaccurate temperatures  
readings for the next 12 to 24 hours. These changes will require a 12 to 24 hour wait before  
obtaining reliable data.  
3) Place the atomic clock onto the screws, using the hanging holes on the  
backside. Gently pull the atomic clock down to lock the screws into place.  
Note:  
To achieve a true temperature reading, avoid mounting where direct sunlight can reach the  
outdoor temperature sensor. It is recommended to mount the outdoor temperature sensor on a  
North-facing wall or in any well shaded area. The maximum transmitting range is 330 feet (100  
meters) obstacles such as walls, concrete, and large metal objects can reduce the range.  
Always ensure that the atomic clock locks onto the screws before releasing.  
POSITIONING THE OUTDOOR TEMPERATURE SENSOR  
Place both units in their desired location, and wait approximately 10 minutes before permanently  
mounting to ensure that there is proper reception. The outdoor temperature sensor is not  
waterproof and should not be placed anywhere it will become submerged in water or be directly in  
the rain.  
The remote temperature sensor can be mounted in two ways:  
with the use of screws, or  
using the adhesive tape.  
MOUNTING WITH SCREWS  
POSITIONING THE ATOMIC CLOCK:  
1)  
2)  
3)  
Remove the mounting bracket from the remote temperature sensor.  
There are two possible ways to mount the atomic clock:  
Place the mounting bracket over the desired location.  
Through the three screw holes of the bracket, mark the mounting surface  
with a pencil.  
use of the foldout table stands, or  
wall mounting  
4)  
5)  
Screw mounting bracket onto the mounting surface. Ensure that the  
screws are flush with the bracket.  
Insert the remote temperature sensor into the bracket.  
FOLDOUT TABLE STAND  
The foldout table stand leg is located on the backside. Pull the stand out from  
the bottom center edge of the atomic clock, below the battery compartment.  
Once the foldout table stand is extended, place the atomic clock in an  
appropriate location.  
MOUNTING WITH ADHESIVE TAPE  
1)  
With a nonabrasive solution, clean and dry the back of the mounting  
bracket and the mounting surface to ensure a secure hold. The  
mounting surface should be smooth and flat.  
2)  
3)  
Remove the protective strip from one side of the tape.  
Adhere the tape to the designated area on the back of the mounting  
bracket.  
4)  
Remove the protective strip from the other side of the tape.  
11  
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5)  
Position the remote temperature sensor in the desired location,  
ensuring that the atomic clock can receive the signal.  
outdoor temperature will be displayed again once the current surrounding  
temperature is within the range of the sensor.  
Note: Mounting with adhesive tape is not recommended as a permanent  
mounting solution. Only use the adhesive tape during set-up process.  
MAINTENANCE AND CARE INSTRUCTIONS  
Extreme temperatures, vibration, and shock should be avoided to prevent damage to the  
units.  
TROUBLESHOOTING  
Problem:  
Solution:  
Problem:  
Solution:  
The LCD is faint.  
1) Replace the batteries.  
No reception of WWVB signal  
1) It may help reception to face the front of the atomic clock in the general  
direction of Ft. Collins, Colorado.  
Clean displays and units with a soft, damp cloth. Do not use solvents or scouring agents;  
they may mark the displays and casings.  
Do not submerge in water.  
Immediately remove all low powered batteries to avoid leakage and damage.  
Opening the casings invalidates the warranty. Do not try to repair the unit. Contact La  
Crosse Technology for repairs.  
2) Wait overnight for signal.  
3) Be sure the atomic clock is at least 6 feet (2 meters) from any electrical  
devices, i.e. TV sets, computers, or other radio controlled clocks.  
4) Remove batteries for five minutes, reinsert and leave the unit alone  
overnight without pressing any keys.  
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.  
SPECIFICATIONS:  
Temperature measuring range  
Indoor  
Problem:  
Solution:  
Problem:  
Solution:  
Hour is incorrect (minute and date are correct).  
: 14.1ºF to 103.8ºF with 0.2ºF resolution  
1) Be sure the correct time zone and daylight saving time are selected.  
"OF.L“ appears in the indoor temperature section of the LCD  
1) Move the atomic clock to an area with warmer or cooler surrounding  
temperature. Current surrounding temperatures are outside measuring  
range.  
"--.-" appears in the outdoor temperature section of the LCD.  
1) Remove the batteries of both units for one minute, then reinsert them  
again. Make sure the batteries are new and fresh.  
2) Move the atomic clock closer to the sensor or place the sensor closer to  
the atomic clock. Make sure the clock is at a receivable range from the  
sensor.  
3) Move the units to another location. Interferences from other electrical  
devices operating on the same signal frequency (915MHz) may prevent  
correct signal transmission and reception.  
"OF.L“ appears in the outdoor temperature section of the LCD.  
1) Wait until the current surrounding temperature cools down or increases.  
Current temperature is outside of the measuring range of the sensor. The  
-9.9ºC to +39.9ºC with 0.1ºC resolution  
("OF.L" displayed if outside this range)  
: -39.9ºF to +139.8ºF with 0.2ºF resolution  
-39.8ºC to +59.9ºC with 0.1ºC resolution  
("OF.L“ displayed if outside this range)  
Outdoor  
Problem:  
Solution:  
Temperature checking interval  
Indoor  
Outdoor  
Transmission distance : maximum 330 feet (100 meters) in open field  
Power source (Alkaline batteries recommended)  
Atomic clock  
Sensor  
Battery life  
Dimensions (L x W x H)  
:
:
every 20 seconds  
every 4 seconds  
:
:
:
2 x AA, 1.5V batteries  
2 x AA, 1.5V batteries  
about 24 months  
Problem:  
Solution:  
Atomic clock  
Sensor  
:
:
12.20“ x 1.18“ x 8.03“ / 310 x 30 x 204mm  
5.05” x 1.50” x 0.83” / 128.3 x 38.2 x 21.2 mm  
13  
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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.  
WARRANTY INFORMATION  
La Crosse Technology, Ltd provides a 1-year limited warranty on this product against  
manufacturing defects in materials and workmanship.  
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.  
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:  
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 or 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. La Crosse Technology, Ltd will pay  
ground return shipping charges to the owner of the product to a USA address only.  
La Crosse Technology  
2809 Losey Blvd. South  
La Crosse, WI 54601  
Phone: 608.782.1610  
Fax: 608.796.1020  
e-mail:  
(warranty work)  
(information on other products)  
web:  
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, 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.. 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.  
Questions? Instructions? Please visit:  
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.  
15  
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FCC ID: OMOTX29U (sensor)  
RF Exposure mobile:  
The internal / external antennas used for this mobile sensor 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 sensor."  
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  
17  
 

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