WS-8117 ATOMIC CLOCK WITH OUTDOOR WIRELESS TEMPERATURE AND MOON PHASE

Instruction Manual

Features

Atomic Clock:

Diagram of the atomic clock showing: LCD1 display, LCD2 display, Function keys, Foldable stand, Battery cover, and Hanging holes.

Outdoor Temperature Transmitter:

Diagram of the outdoor temperature transmitter and a holder.

Installation and Setup

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:

  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. Insert batteries observing the correct polarity (see marking inside battery compartment).
  3. Replace compartment cover.

DO NOT SET THE CLOCK.

To Install and Replace Batteries in the Temperature Transmitter

The transmitter uses 2 x AA, 1.5V batteries. To install and replace the batteries, please follow the steps below:

  1. Remove the cover.
  2. Insert the batteries, observing the correct polarity (see marking inside battery compartment).
  3. Replace the battery cover on the unit.

Alkaline batteries are recommended for use in both units. Avoid using rechargeable batteries.

Setting Up

Alkaline batteries are recommended for use in both units. Avoid using rechargeable batteries.

NOTE: Do not set the clock until the outdoor temperature is displayed.

  1. Place batteries in the outdoor transmitter first, then into the atomic clock. DO NOT PRESS ANY BUTTONS FOR 10 MINUTES.
  2. After 10 minutes, both the Indoor and Outdoor areas on your clock should have a temperature showing. If not, remove both sets of batteries, wait 10 minutes and repeat step one.
  3. After the clock receives the outdoor temperature, the WWVB time code reception will automatically start. This reception typically takes between 5-10 minutes in good conditions. If after 10 minutes the WWVB time has not been received, use the [SET key] to manually enter the set-up mode and change either the time or date in order to activate the WWVB reception (see manual settings below). The clock will then automatically attempt to receive the WWVB time from 12:00 am through 6:00 am each day (attempts WWVB reception every full hour within this time frame). When this is successful, the received time will override the manually set time. The date is also updated with the received time (Please refer to notes on "Radio controlled time" and "Manual time setting").
  4. After the time signal has been received or the search mode has been manually stopped, the indoor temperature will be displayed.

Note: In the event of changing batteries of the unit, ensure that the batteries do not spring free from the contacts. Always wait at least 10 minutes after removing the batteries before reinserting, otherwise start up and transmission problems may occur.

Function Keys

The atomic clock has four easy to use keys:

[SET key]
To enter into the set mode for the following functions: time zone, DST ON/OFF (daylight saving time), language, hour, minute, year, month, day, weekday, 12/24 hour, °C or °F temperature display.
[+ key]
To toggle between the second, temperature or weekday display. To change any values in manual set mode.
[ALM key]
To enter into the alarm set mode. To set the alarm ON/OFF.
[SNZE key]
To activate the snooze function during alarm. To display the alarm time in normal mode display. To exit the setting modes.

Atomic Clock LCD Screen Descriptions

The atomic clock's LCD is divided into 2 sections and once the batteries are inserted, all the segments will light up briefly before displaying the information for time, date, indoor and outdoor temperatures.

[Radio reception icon] (top center), [WWVB time] (top left), [Alarm icon] (top right), [Indoor temperature display] (bottom left), [Outdoor temperature display] (bottom right), [Date display] (bottom left), [Weekday display] (bottom right).

Manual Settings

Note: If the atomic clock has already successfully received the WWVB time signal and displays the correct time and date, then the Manual settings can be skipped.

After completion of the above described procedures in "Setting up", the manual setting modes can be entered by pressing and holding the [SET key] for 3 seconds. The following settings can now be programmed:

Time Zone Setting

After entering the manual setting mode as described above, the time zone can be set between the -1 to -12 hour or Greenwich Mean Time (GMT) range in LCD2. To do this:

Diagram showing time display with temperature and time zone indicator (e.g., 77°F / 45°C / EST).
  1. The time zone (LCD2) will start flashing (Default setting "-5h"). Select the desired time zone by pressing and releasing the [+ key].

Note: The time zones from –4 to –10 hours will be displayed with 3 characters abbreviations:

  1. Press and release the [SET key] to enter the "DST Setting".

DST Setting (Daylight Saving Time)

  1. The ON digit will start flashing on LCD1. Set the DST ON or OFF by pressing the [+ key].
  2. Press and release the [SET key] to enter the "Language Setting".

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".

Language Setting

The weekdays can be displayed in LCD2 with the pre-set languages: US English, French and Spanish.

  1. Set the desired language for the weekday display in LCD 2 by use of the [+ key].
  2. 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.

Note: In 12 hours mode the time will be displayed with an additional "PM" for the time from 12:00 noon until 11:59.

  1. The hour digits will start flashing on LCD1.
  2. Set the desired hours by pressing and releasing the [+ key] followed by pressing the [SET key].
  3. Now the minute digits will start flashing.
  4. Set the desired minutes by pressing and releasing the [+ key]. If the [+ key] is held, the units will increase by 5.
  5. Press and release the [SET key] to move to the "Year Setting".

Note: 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 following hour.

WWVB time reception takes place from 12:00 am through 6:00 am each day (attempts WWVB reception every full hour within this time frame). When the time signal is received for example at 1:00 am, the atomic clock will not attempt to receive the WWVB signal for the remaining hours until 6:00 am. Therefore, the next signal attempt will take place between 12:00 am and 6:00 am the next day. 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.

Year Setting

The year can be selected sequentially from 2000 to 2049 and will then start over again (default setting 2000). Only the last 2 digits of the year will be visible on LCD2.

  1. The year digits will start flashing on LCD2. Select the desired year by use of the [+ key].
  2. Press and release the [SET key] to switch to the "Month Setting".

Month Setting

  1. The month digits on LCD2 will start flashing. Set the desired month by use of the [+ key].
  2. 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 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".

Weekday Setting

  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".

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 "°C/°F Temperature Setting".

°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.
  2. Press and release the [SET key] to exit the setting mode and switch back to the normal display mode.

Exit the Manual Setting Modes

Alarm Setting

To enter into the alarm setting mode:

  1. Hold the [ALM key] for 4 seconds. The hour digits start flashing.
  2. Press and release the [+ key] to set the hour.
  3. Press and release the [ALM key] to set the minutes. The minute digits start flashing.
  4. Press and release the [+ key] to set the minutes.
  5. Press and release again the [ALM key] to exit the Alarm setting mode or wait for 15 seconds automatic timeout.

To Deactivate the Alarm

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.

Diagram showing alarm icon active (e.g., 12:34 [Alarm icon] (((ON))) and inactive (e.g., 12:34).

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.

Outdoor Temperature Transmitter

The temperature is measured and transmitted to the atomic clock every 1 minute. The atomic clock will update the temperature display every 5 minutes. The range of the outdoor temperature transmitter may be affected by the temperature. At cold temperatures the transmitting distance may be decreased. Please bear this in mind when positioning the transmitter. Also the batteries may be reduced in power during periods of extreme cold temperatures.

433MHz Reception Check for Outdoor Temperature Transmitter

The atomic clock will receive the temperature data within 4 minutes. If the temperature data is not being received 4 minutes after setting up (the display shows "- - -"), then please check the following points:

  1. The distance of the atomic clock or outdoor temperature transmitter should be at least 6 feet (2 meters) away from any interfering sources such as computer monitors or TV sets.
  2. Avoid placing the receiver onto or in the immediate proximity of metal window frames.
  3. Using other electrical products such as headphones or speakers operating on the same signal frequency (433MHz) may prevent correct signal transmission and reception.
  4. Neighbors using electrical devices operating on the 433MHz signal frequency can also cause interference.

Note: When the 433 MHz signal is received correctly, do not re-open the battery cover of either the outdoor temperature transmitter 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.

The maximum transmission range is 82 feet (25 meters) from the outdoor temperature transmitter 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).

Changing the Display Mode (Day, Seconds, and Temperatures)

There are three possible display modes to view the day, seconds, and temperatures. The month&date/weekday/indoor temperature/outdoor temperature is the default.

To change the display:

  1. Press the [+ key]. The display should now show the month&date/weekday/seconds/indoor temperature.
  2. Press the [+ key] a second time and the display will now show the month&date/seconds/indoor temperature/outdoor temperature.
  3. Press the [+ key] third time and the display will return to the normal display.

WWVB Radio Controlled Time

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 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 icon] becomes permanently lit and the time will be displayed.

If the [tower icon] flashes, but does not set the time or the [WWVB tower icon] does not appear at all, then please take note of the following:

Note: 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).

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:

MOON PHASES FOR WS-8117

Positioning

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.

To achieve a true temperature reading, avoid mounting where direct sunlight can reach the outdoor temperature transmitter. It is recommended to mount the outdoor temperature transmitter on a North-facing wall or in any well shaded area. The maximum transmitting range is 82 feet (25 meters) obstacles such as walls, concrete, and large metal objects can reduce the range.

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 transmitter is not waterproof and should not be placed anywhere it will become submerged in water or be directly in the rain.

Positioning the Atomic Clock:

There are two possible ways to mount the atomic clock:

Foldout Table Stand

The Foldout table stand legs are located on the backside, at the lower corners, and on both sides of the battery cover. The hinges are towards the edges of the atomic clock, and the ends (with no hinge) need to be folded out towards the edge. Once the Foldout table stands are extended, place the atomic clock in an appropriate location.

Diagram illustrating the foldout table stand mechanism.

Wall Mounting

  1. Using a straightedge, horizontally space at 2-3/4 of an inch (70 mm) 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.
  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: Always ensure that the atomic clock locks onto the screws before releasing.

Diagram illustrating wall mounting with screws.

Positioning the Outdoor Temperature Transmitter

The outdoor temperature transmitter can be mounted in two ways:

Mounting with Screws

  1. Remove the mounting bracket from the outdoor temperature transmitter.
  2. Place the mounting bracket over the desired location. Through the three screw holes of the bracket, mark the mounting surface with a pencil.
  3. Where marked, start the screw holes into mounting surface.
  4. Screw mounting bracket onto the mounting surface. Ensure that the screws are flush with the bracket.
Diagram showing mounting bracket for outdoor transmitter with screw holes.

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. Remove the protective strip from one side of the tape. Adhere the tape to the designated area on the back of the mounting bracket.
  3. Remove the protective strip from the other side of the tape. Position the outdoor temperature transmitter in the desired location, ensuring that the atomic clock can receive the signal.
Diagram showing adhesive tape application for outdoor transmitter mounting.

Troubleshooting

Problem: The LCD is faint.
Solution: 1) Replace the batteries.
Problem: No reception of WWVB signal
Solution: 1) It may help reception to face the front of the atomic clock in the general direction of Ft. Collins, Colorado. 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.
Problem: Hour is incorrect (minute and date are correct).
Solution: 1) Be sure the correct time zone and daylight saving time are selected.
Problem: "OFL" appears in the indoor temperature section of the LCD
Solution: 1) Move the atomic clock to an area with warmer or cooler surrounding temperature. Current surrounding temperatures are outside measuring range.
Problem: "--.--" appears in the outdoor temperature section of the LCD.
Solution: 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 transmitter or place the transmitter closer to the atomic clock. Make sure the clock is at a receivable range from the transmitter. 3) Move the units to another location. Interferences from other electrical devices operating on the same signal frequency (433MHz) may prevent correct signal transmission and reception.
Problem: "OFL" appears in the outdoor temperature section of the LCD.
Solution: 1) Wait until the current surrounding temperature cools down or increases. Current temperature is outside of the measuring range of the transmitter. The outdoor temperature will be displayed again once the current surrounding temperature is within the range of the transmitter.

Care and Maintenance

Specifications

Temperature measuring range
Indoor: +32°F to +122°F with 0.2°F resolution; 0°C to +50°C with 0.1°C resolution ("OFL" displayed if outside this range)
Outdoor: -21.8°F to +140°F with 0.2°F resolution; -29.9°C to +59.9°C with 0.1°C resolution ("OFL" displayed if outside this range)
Temperature checking interval
Indoor: every 10 seconds
Outdoor: every 5 minutes
Transmission distance
maximum 82 feet (25 meters) in open field, depending upon surrounding structures, mounting location and possible interfering sources
Power source (Alkaline batteries recommended)
Atomic clock: 2 x AA, 1.5V batteries
Transmitter: 2 x AA, 1.5V batteries
Battery life
about 12 months
Dimensions (L x W x H)
Atomic clock: 11.41" x 0.98" x 7.48" / 290 x25 x190mm
Transmitter: 1.57" x 0.9" x 5.04" / 40 x 23 x 128 mm

Liability Disclaimer

Batteries Change

For best performance, batteries should be replaced at least once a year to maintain the best running accuracy. Ensure that the batteries used are new and the correct size.

Please help in the preservation of the environment and return used batteries to an authorized depot. ♻️

Warranty Information

La Crosse Technology provides a 1-year warranty on this atomic clock. Contact La Crosse Technology immediately upon discovery of any defects covered by this warranty.

Before sending the atomic clock in for repairs, contact La Crosse Technology. The atomic clock will be repaired or replaced with the same or similar model.

This warranty does not cover any defects resulting from improper use, unauthorized repairs, faulty batteries, or the clock's inability to receive a signal due to any source of interference.

LA CROSSE TECHNOLOGY WILL NOT ASSUME LIABILITY FOR INCIDENTAL, CONSEQUENTIAL, PUNITIVE, OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS TEMPERATURE CLOCK. THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC INFORMATION. THIS PRODUCT IS NOT A TOY. KEEP OUT OF CHILDRENS' REACH.

This warranty gives you specific legal rights. You may also have other rights specific to your State. Some States do not 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
190 Main Street
La Crescent, MN 55947
Phone: 507.895.7095
Fax: 507.895.8000

e-mail:
support@lacrossetechnology.com (warranty work)
sales@lacrossetechnology.com (information on other products)

Or visit us on the internet at www.lacrossetechnology.com

FCC ID and Compliance

FCC ID: OMO-01RX (receiver) OMO-01TX (transmitter)

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 INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.

Legal Notices

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.

Description of the clock display on page 10, showing time (12:34), indoor temperature (77°F), outdoor temperature (45°F), date (12/12), and day (THU).

LA CROSSE TECHNOLOGY tools and technology for home and office

PDF preview unavailable. Download the PDF instead.

919UWC70VZL Acrobat Distiller 5.0.5 (Windows)

Related Documents

Preview La Crosse WS-9032U Weather Station User Manual
Comprehensive guide for the La Crosse WS-9032U Wireless Weather Station, covering setup, operation, features, and troubleshooting for indoor and outdoor temperature, humidity, and barometric pressure monitoring.
Preview La Crosse Technology WS-8157U Radio-Controlled Clock with Outdoor Wireless Temperature - Instruction Manual
Comprehensive instruction manual for the La Crosse Technology WS-8157U radio-controlled clock, covering setup, features, operation, troubleshooting, and specifications. Learn how to use your clock and outdoor temperature transmitter.
Preview La Crosse Technology Curved Digital Atomic Wall Clock with Moon Phase Setup Guide
Comprehensive setup guide and specifications for the La Crosse Technology Curved Digital Atomic Wall Clock (Model BBB86118v3) with outdoor sensor (Model TX141-Bv3), including instructions for power up, atomic time, settings, alarms, and troubleshooting.
Preview La Crosse Technology 513-149 Digital Atomic Wall Clock with Indoor/Outdoor Temperature - Instruction Manual
This instruction manual provides detailed information on setting up, operating, and maintaining the La Crosse Technology 513-149 Digital Atomic Wall Clock, including its wireless outdoor temperature transmitter.
Preview La Crosse WS-9257U-IT Wireless 915 MHz Weather Station Instruction Manual
Comprehensive instruction manual for the La Crosse WS-9257U-IT Wireless 915 MHz Weather Station, covering setup, features, operation, specifications, and warranty information.
Preview La Crosse WS-8115U Atomic Digital Wall Clock with Indoor/Outdoor Temperature - Quick Start Guide
Get started with your La Crosse WS-8115U Atomic Digital Wall Clock. This quick start guide covers setup, features like indoor/outdoor temperature, WWVB atomic time signal, alarm settings, and troubleshooting for optimal use.
Preview La Crosse Atomic Digital Wall Clock Quick Start Guide
Quick start guide for the La Crosse Atomic Digital Wall Clock (Model 513-1417V5), covering power up, settings, time alarm, moon phase, specifications, and troubleshooting.
Preview La Crosse Technology 616-146v4 Atomic Projection Alarm Clock Setup Guide
Comprehensive setup guide for the La Crosse Technology 616-146v4 Atomic Projection Alarm Clock, detailing power-up, time setting, alarm functions, and troubleshooting for indoor/outdoor temperature monitoring.