La Crosse Technology WT-2171U User manual

WT-2171

Radio-controlled

Travel Alarm Clock

Topic Page

Inventory of Contents 3

About WWVB 3

Program Mode

Initial Set-up 3

Manual Time Setting Option 4

Time Zone Setting 4

Daylight Savings Time (DST) 5

Display Mode Setting 5

Setting the Alarm 5

Operating the Alarm 5

Troubleshooting 6

Maintenance and Care 6

Specifications 6

Warranty Information 7-8

INVENTORY OF CONTENTS

1. The travel alarm

2. Instruction manual

3. Warranty card

ABOUT RADIO-CONTROLLED TIME - WWVB

The NIST (National Institute of Standards and Technology—Time and Frequency

Division) WWVB radio station is located in Ft. Collins, Colorado, and transmits the exact

time and date 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 alarm clock. Due

to the nature of the Earth’s Ionosphere, reception is very limited during daylight hours.

The alarm 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 is continually measuring every second, of every day, to an

accuracy of ten billionths of a second per 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. More information on the atomic clock and WWVB can be found at

www.nist.gov.

PROGRAM MODE

Following is a list of steps to set up your new La Crosse Technology travel alarm clock.

• Please begin by removing the battery

cover on the rear of the travel alarm

shown in figure one.

• Next insert one AA alkaline battery

into the battery compartment making

sure to observe the correct polarity.

• When inserting the battery be sure n

to press any of the buttons on the

travel alarm as this will interrupt the

WWVB search and may cause the

travel alarm to not pick up the radio-controlled time signal.

• Now replace the battery cover and face the travel alarm with the back of the unit

towards Colorado (this has been found to help the unit pick up the WWVB

signal).

• When the WWVB signal is received a tower icon will appear on the left side of

the LCD display.

Figure One

NOTE: Due to the nature of the WWVB signal it may take overnight for the travel alarm

to receive the signal and set. Adverse weather conditions may also affect the travel

alarms’ ability to receive the signal. In some cases it may take several nights for the

travel alarm to set.

Manual Time Setting Option

You can also manually set the time on your travel alarm by pressing and holding the

“MODE/MIN” button (figure two) on the front of your travel alarm for 3 seconds.

• The time zone abbreviation will appear in the LCD.

• Press and release the “Snooze” button once.

• The time will now flash in the LCD.

• Press and release the “AL/HR” button to advance the

hours.

• Press and release the “MODE/MIN” button to

advance the minutes.

• Press and release the “Snooze” button to return the

normal display mode or wait 20 seconds and the

travel alarm will time out and automatically return to

the normal display mode.

Time Zone Setting

You can select from four U.S. time zones (Eastern, Central, Mountain and Pacific) on

your travel alarm. The time zones are abbreviated with three letters as follows:

Figure Two

Eastern EST

Central CST

Mountain MST

Pacific PST

• Press and hold the “MODE/MIN” button for 3 seconds.

• The time zone abbreviation will appear in the LCD.

NOTE: The default (factory) time zone setting is Eastern time zone.

• Press and release the “AL/HR” button to select the desired time zone.

• Press and release the “Snooze” button twice to return to the normal display mode

or wait 20 seconds and the travel alarm will time out and automatically return to

the normal display mode.

Daylight Saving Time Setting

You can select whether or not your alarm recognizes the daylight saving time changes

twice a year and automatically changes. Some areas do not change time for daylight

saving time (Arizona and parts of Indiana). The default (factory) setting is daylight

saving time on.

• Press and hold the “MODE/MIN” button for 3 seconds.

• The time zone abbreviation will appear in the LCD.

• “DST” will be displayed to the left of the time zone abbreviation.

• Press and release the “MODE/MIN” button to toggle between daylight saving

time on and off.

• Press and release the “Snooze” button twice to return to the normal display mode

or wait 20 seconds and the travel alarm will time out and automatically return to

the normal display mode.

Display Mode Setting

The display below the time can be switched between showing the seconds and the alarm

time. To switch between these two modes press and release the “MODE/MIN” button.

Setting the Alarm

To set the alarm press and hold the “AL/HR” button for three seconds.

• The alarm time will flash in the bottom left of the LCD screen.

• Press and release the “AL/HR” button to advance to the desired hour.

• Press and release the “MODE/MIN” button to advance to the desired minute.

• Press and release the “Snooze” button to return to the normal display mode or

wait 20 seconds and the travel alarm will time out and automatically return to the

normal display mode.

Operating the Alarm

To turn the alarm on press and release the “AL/HR” button. The alarm icon will be

displayed in the lower right of the LCD to indicate that the alarm has been turned on.

The alarm will sound for 100 seconds once activated. By pressing the snooze button the

alarm will be suspended for 8 minutes.

TROUBLESHOOTING

NOTE: For problems not solved, please contact La Crosse Technology via e-mail or

phone, or visit our website, www.lacrossetechnology.com

Problem: The time and date will not set initially.

Solution: It usually takes overnight before the clock can receive the signal due to the

interference the sun has on the WWVB signal. Wait overnight for the signal.

Solution: Computer monitors and televisions can cause interference with the signal

reception. Please keep the clock at least six feet from electrical sources.

Solution: In some areas of the US, in particular on the East and West coasts, the signal is

very weak. It may take up to 72 hours before a good signal is received. The

reception can be helped by placing the clock in a window facing Colorado,

with the back towards Colorado.

MAINTENANCE AND CARE INSTRUCTIONS

• Extreme temperatures, vibration, and shock should be avoided to prevent damage

to the unit.

• 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.

• Do not subject the units to unnecessary heat or cold by placing them in the oven

or freezer.

• Opening the casings invalidates the warranty. Do not try to repair the unit.

Contact La Crosse Technology repairs.

SPECIFICATIONS

Dimensions:

(L x W x H)

3” x 2” x 3.5”

(76x 50 x 89 mm)

Battery One AA Alkaline

Battery

Battery life Approximately 1

year

WARRANTY INFORMATION

La Crosse Technology provides a 1-year warranty on this travel alarm. Contact La

Crosse Technology immediately upon discovery of any defects covered by this warranty.

Before sending the travel alarm in for repairs, please contact La Crosse Technology. The

travel alarm will be repaired or replaced with the same or similar a similar model.

This warranty does not cover any defects resulting from improper use, unauthorized

repairs, faulty batteries, or the travel alarms’ 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 TRAVEL ALARM. 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 La Crosse Technology at:

La Crosse Technology

190 Main Street

La Crescent, MN 55947

Toll Free 1-888-211-1923

Phone: 507.895.7095

Fax: 507.895.8000

e-mail:

[email protected]

(warranty work)

[email protected]

(information on other products)

web:

www.lacrossetechnology.com

FCC ID: OMO-01RX

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.

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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