La Crosse Technology WT-2171 User manual

WT-2171

Radio-controlled Travel Alarm Clock

Table of Contents

Topic Page

Inventory of Contents 2

About WWVB 2

Program Mode

Initial Set-up 2

Manual Time Setting Option 3

Time Zone Setting 3

Daylight Savings Time (DST) 3

Display Mode Setting 3

Setting the Alarm 3

Operating the Alarm 3

Troubleshooting 4

Maintenance and Care 4

Specifications 4

Warranty Information 5

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.

Figure Two

Manual Time Setting Option (figure two)

• Press and hold the MODE/MIN button for 4 sec.

• Press and release the SNOOZE to display (flashing) time

• Press AL/HR to adjust the hour

• Press MODE/MIN to adjust the minutes

• Press and release the SNOOZE button twice to return to

the normal display mode

Setting the Time Zone and Daylight Savings Time

• Press and hold the MODE/MIN button for 4 sec.

• Set the time zone using the AL/HR button

• Set DST using the MODE/MIN button

• Press and release the SNOOZE button twice to 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

• Press and hold the AL/HR button for 4 sec.

• Press AL/HR to adjust the hour

• Press MODE/MIN to adjust the minutes

• Press and release the SNOOZE button twice to return to the normal display

mode

Operating the Alarm

• Press and release the AL/HR button

• When (((•))) appears the alarm is turned on

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 product. Contact La Crosse Technology

immediately upon discovery of any defects covered by this warranty.

Before sending the unit in for repairs, contact La Crosse Technology. The unit 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 units’ 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 UNIT. 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

1116 South Oak Street

La Crescent, MN 55947

Phone: 507.895.7095

Fax: 507.895.8000

e-mail

[email protected]

(warranty work)

[email protected]

(information on other products)

Website

www.lacrossetechnology.com

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.

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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