LA CROSSE WS-8157U-IT Atomic Digital Wall Clock User Manual
- June 3, 2024
- La Crosse
Table of Contents
LA CROSSE WS-8157U-IT Atomic Digital Wall Clock
OVERVIEW
INSTALLATION
-
Step 1: Insert 2 fresh AA, LR6 1.5 volt Alkaline batteries into
TX37U-IT sensor according to the polarity marked in the battery compartment. -
Step 2: Insert 2 fresh AA, LR6 1.5 volt Alkaline batteries into
the atomic clock according to the polarity markings.
Restart: If the outdoor temperature shows dahes, remove batteries from the atomic clock and outdoor sensor. Press any button on the atomic clock 20 times. After 15 minutes, return to Step 1 above.
Set Time, Date, and Temperature Units
- Press the SET button to enter time set mode, confirm adjustments and move to next item.
- Press the + button to adjust values.
Settings order:
- Time Zone
- Daylight Saving Indicator
- Language
- Hour
- Minutes
- Year (4 digit)
- Month
- Date
- Weekday
- Fahrenheit/Celsius
Languages:
US English
F ** French
E ** Spanish
This clock has time zones
from GMT 0 to -12h
North American time zones:
-4 ATL – Atlantic
-5 EST – Eastern (default)
-6 CST – Central
-7 MST – Mountain
-8 PST – Pacific
-9 ALA – Alaska
-10 HAW -Hawaiian
Press SET to exit, or wait 30 seconds without pressing buttons to return to the normal time display.
Set Alarm Time
The Alarm Time is in the lower left-hand corner.
- Hold ALM to enter ALM set mode.
- Press + to adjust values.
- Press ALM to confirm adjustments and move to next item.
Setting order: 1. Hour, 2. Minutes
Press ALM to exit, or wait 30 seconds without pressing buttons to return to
the normal time display.
Deactivate/Activate Alarm
- Press ALM once to deactivate the alarm.
- The alarm icon will disappear.
- Press ALM once to activate the alarm.
- The alarm icon will appear.
Snooze
- Press SNZ to silence an active alarm for 10 minutes.
- The alarm icon will flash.
Press any button to stop the alarm for 24 hours.
Display Features
There are 3 possible display modes to view on this clock:
If seconds are counting up on the clock, press the + button to move or remove
this feature.
Default display: indoor temperature/outdoor temperature
/month&date/weekday.
Change the display:
- Press the PLUS button. The display should now show indoor temperature/outdoor temperature/alarm/weekday.
- Press the PLUS button a second time and the display will now show: indoor temperature/outdoor temperature/seconds/ weekday.
- Press the PLUS button a third time and the display will return to the default display.
WWVB Radio-controlled Time
- WWVB Icon will flasah when searching.
- The WWVB icon will be steady when time signal is received in the past 24 hours.
For information about WWVB visit:
www.nist.gov/pml/div688/grp40/wwvb.cfm
ATOMIC SIGNAL SEARCH:
The atomic clock will search for 1 hour between midnight and 6am until the
WWVB time signal is received. After the reception, the atomic clock will only
search for the atomic signal after midnight.
Forecast Icons
The forecast station uses changing atmospheric pressure to predict weather
conditions for the next 12 hours with 70-75% accuracy.
Forecast Trend Arrows
The up or down arrow indicates current trends in air pressure. Up Arrow:
Air pressure is increasing; the weather will improve. Down Arrow: Air pressure
is decreasing; the weather will degrade. No Arrow: Air pressure is stable
Position Outdoor Sensor
- Mount the outdoor sensor on a north-facing wall or in any well-shaded area. Under an eave or deck rail is preferred.
- The maximum transmitting range to the atomic clock is over 330 feet (100 meters) in open air, not including walls.
Care and Maintenance
- Do not mix old and new batteries
- Do not mix Alkaline, Standard, Lithium or Rechargeable Batteries
- Always purchase the correct size and grade of battery most suitable for the intended use.
- Replace all batteries of a set at the same time.
- Clean the battery contacts and also those of the device prior to battery installation.
- Ensure the batteries are installed with the correct polarity (+and -).
- Remove batteries from equipment with is not to be used for an extended period of time.
- Remove expired batteries promptly.
Specifications
Indoor :
Temperature Range:| 14.1°F to +103.8°F
-9.9ºC to +39.9ºC
Outdoor :
Temperature Range:| -39.8°F to +139.8°F
-39.8ºC to +59.9ºC
Distance:| Over 330 ft. (100 meters) RF 915MHz (open air)
Interval:| About every 4 seconds
Power:
Atomic clock| 2-AA, IEC, LR6 batteries (not included)
TX37U-IT Sensor:| 2-AA, IEC, LR6 batteries (not included)
Battery Life:
Atomic clock| Over 24 months
TX37U-IT Sensor:| Over 24 months
Dimensions:
Atomic clock:| 12.20“ x 1.18“ x 8.03“
(310 x 30 x 204mm)
TX37U-IT Sensor:| 5.05” x 1.50” x 0.83”
(128.3 x 38.2 x 21.2 mm)
Warranty and Support Information
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.
View full warranty details online at:
www.lacrossetechnology.com/warranty_info.pdf
For warranty work, technical support or other information contact our friendly
support staff:
La Crosse Technology, Ltd
2830 26th Street S.
La Crosse, WI 54601
Contact Support: 1-608-782-1610
Online Product Support:
www.lacrossetechnology.com/support
Product Registration:
www.lacrossetechnology.com/support/register
Protected under U.S. Patents:
5,978,738 | 6,076,044 | RE43903
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 the 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 must not be co-located or operating in conjunction with any other
antenna or transmitter.
Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
Caution!
The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications to this equipment. Such modifications could void
the user 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
processes 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.
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