La Crosse Technology WS-8157U-IT User manual

WS-8157U-IT www.lacrossetechnology.com/support Page | 1

Model: WS-8157U-IT

Quick Setup Guide

DC: 011816

Atomic Digital Wall Clock

with Forecast & Weather

Time, Alarm +

WWVB Icon

Foldout Stand

Indoor Temp.,

Weekday, Date,

Forecast Icon, +

Outdoor Temp.

Buttons

Battery

Cover

TX37U-IT

Sensor

2 -AA

batteries

Battery

Compartment

2-AA batteries

SET + ALM SNZ

WS-8157U-IT www.lacrossetechnology.com/support Page | 2

Get Started

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, Temperature Units

1. Press the SET button to enter time set mode,

confirm adjustments and move to next item.

2. Press the +button to adjust values.

Settings order:

1. Time Zone

2. Daylight Saving Indicator

3. Language

4. Hour

5. Minutes

6. Year (4 digit)

7. Month

8. Date

9. Weekday

10.Fahrenheit/Celsius

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.

1. Hold ALM to enter ALM set mode.

2. Press +to adjust values.

3. Press ALM to confirm adjustments and move

to next item.

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

Languages:

US English

F French

ESpanish

ALARM

SET

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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 flash when searching.

•The WWVB icon will be steady when time signal

received in the past 24 hours.

For information about WWVB visit:

www.nist.gov/pml/div688/grp40/wwvb.cfm

Alarm

Icon

SNZ

WWVB

Atomic Icon

WS-8157U-IT www.lacrossetechnology.com/support Page | 4

ATOMIC SIGNAL SEARCH:

The atomic clock will search for 1 hour between midnight and

6am until the WWVB time signal is received. After 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 indicate current trends in air pressure.

Up Arrow: Air pressure is increasing; weather will improve.

Down Arrow: Air pressure is decreasing; 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 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 correct polarity (+and -).

Sunny Partly Sunny Rainy

WS-8157U-IT www.lacrossetechnology.com/support Page | 5

•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: Online Product Support:

1-608-782-1610 www.lacrossetechnology.com/support

WS-8157U-IT www.lacrossetechnology.com/support Page | 6

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 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:

(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!

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.

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.

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