La Crosse Technology WT-8005U User manual

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WT-8005U

Atomic Digital Wall Clock

by La Crosse Technology®

La Crosse Technology, Ltd.

www.lacrossetechnology.com

2809 Losey Blvd. S.

La Crosse, WI 54601

Phone 608-782-1610

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Table of Contents

Table of Contents ............................................... 2

Congratulations................................................... 3

Features:............................................................. 3

Important Information:......................................... 3

Manual time setting and other settings:.............. 4

Daylight Saving Time.......................................... 5

Setting the Time Zone: ....................................... 5

Setting the Daily Alarms: .................................... 5

About the Daily Alarms:.................................. 6

Automatic Snooze function:................................ 6

°F/°C Temperature Display:................................ 7

Reception of the WWVB Radio signal:............... 7

About WWVB Radio Signal Reception:.......... 7

Online Resources ............................................... 8

Care and Maintenance ....................................... 8

Battery Replacement .......................................... 9

Troubleshooting .................................................. 9

Specifications.................................................... 10

Battery Life ............................................... 10

Dimensions .............................................. 10

Power Requirements ........................................ 10

Warranty Information ........................................ 10

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Congratulations

You have purchased an atomic digital wall clock

from La Crosse Technology®, providing the

world's most accurate time at a glance. Now

you'll never need to worry about setting your

clock again.

Features:

•WWVB Radio controlled Clock (Atomic Clock)

•Time in 12/24 hour format

•Manual time setting option

•Time Zone setting:

"P" - Pacific

"M" - Mountain

"C" - Central

"E" - Eastern

•Continuous calendar up to year 2054

•Date and weekday displayed and set

automatically with the time

•Temperature display in °F or °C

•Snooze function (5 minutes)

•Indoor Thermometer: Indoor measurement

range:

14.1° F 139.8° F (-9.9°C to 59.9°C)

•Battery: 2 X “AA” size 1.5V (not included)

Important Information:

•Insert 2 new AA, LR6 1.5 volt ALKALINE

batteries into the battery compartment

according to the polarity marked on the case.

•When you insert the batteries all of the symbols

on the display will briefly light up and you will

hear a beep. The clock will then attempt to find

the WWVB clock signal for up to seven

minutes. The tower icon will flash on the LCD

until the WWVB signal is found, at which point

it will stop flashing and will display

continuously.

If the tower icon does not display

continuously - even after seven minutes of

searching - move the clock to another

location and press the "WWVB SEARCH"

key on the back of the clock to search again.

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You may need to move the clock away from

sources of interference such as TV monitors

or concrete walls.

•If the automatic setting process is

unsuccessful, use a sharply pointed instrument

to press the "Reset" button on the back of the

clock.

Manual time setting and other settings:

•Press and hold down the “SET” button for 2

seconds, the 12/24 hour mode display starts to

flash. Now use “▲” and “▼“buttons to set the

correct 12/24 hour mode.

•Press “SET” to confirm your setting, the Hour

display starts to flash. Now use “▲” and

“▼“buttons to set the correct hour.

•Press “SET” to confirm your setting, the Minute

displays starts to flash. Now use “▲” and

“▼“buttons to set the correct minute.

•Press “SET” to confirm your setting, the Year

display 2004 starts to flash. Now use “▲” and

“▼” buttons to set the correct year.

•Press SET to confirm your setting, the Month

display starts to flash. Now use “▲” and “▼”

buttons to set the correct month.

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•Press “SET” to confirm your setting, the Date

display starts to flash. Now use “▲” and “▼“

buttons to set the correct date. Weekday will

set itself if the clock has received the WWVB

signal.

•Press “SET” to confirm your setting, the DST

icon starts to flash. Now use “▲” and “▼“

buttons to turn Daylight Saving Time on ("on")

or off ("oF"). See "Daylight Saving Time"

below for more information.

•Press “SET” to confirm your setting and to end

the setting procedures, enter the clock mode.

Daylight Saving Time

•The National Institute of Standards and

Technology and WWVB encode a special DST

“bit” in the WWVB transmission for DST.

•Your La Crosse Technology® clock will read

this information (only if "DST" is set to "on" -)

and automatically advance the time one hour in

the spring and back an hour in the fall.

•Arizona: If you live in an area that does not

recognize DST you must de-activate Daylight

Saving Time by setting "DST" to "oF"

Setting the Time Zone:

•Press the “▲” button to set the correct time

zone. It will toggle the clock mode through the

four available time zones in the Continental

U.S. Above the seconds digits, the LCD display

will indicate "P" for Pacific, "M" for Mountain,

"C" for Central and "E" for Eastern.

•After 30 seconds without pressing any button,

the clock switches automatically from set mode

to normal time mode.

Setting the Daily Alarms:

•To turn the alarm on, press the ALARM button.

LCD displays the “” icon.

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•To set the Alarm Time, press and hold down

the ALARM button for 2 seconds until the hours

digits flash. Use the “▲” and “▼“buttons to set

the required hour. Press ALARM button to

confirm your setting

•The Minute display of the Alarm time starts to

flash. Use the “▲” and “▼“buttons to set the

required minute. Press ALARM button to

confirm your setting and to end the setting

procedure.

•To activate or deactivate the daily alarms,

briefly press the “ALARM” button once. When

the alarm is active the clock displays the “”

icon after the hour. When deactivated the

alarm icon does not show.

About the Daily Alarms:

•After 30 seconds without pressing any button

the clock switches automatically from setting

mode to Normal clock mode.

•The alarm will sound for 2 minutes if you do not

deactivate it by pressing any button. In this

case the alarm will be repeated automatically

after 24 hours.

•Rising alarm sound changes the frequency 4

times while the alarm signal is heard. This is

known as a "Crescendo Alarm".

Automatic Snooze function:

•While the alarm is sounding, press the

SNOOZE button to activate the snooze

function. The “” icon appears on the display.

•This operation moves the alarm back by 5

minutes and the alarm will restart at this time.

•The Snooze function can be interrupted by

pressing any button.

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°F/°C Temperature Display:

•The temperature is displayed either in °F or °C.

Briefly pressing the “▼“button allows you to

switch between the temperature modes.

Reception of the WWVB Radio signal:

•The clock must receive the WWVB Radio

Signal to automatically set the time, date and

weekday.

•The clock automatically starts the WWVB

signal search after 7 minutes of any restart or

changing of new fresh batteries. The radio

tower icon starts to flash.

•At 1:00 am, the clock automatically carries out

the synchronization procedure with the WWVB

signal to correct any deviations to the exact

time. If this synchronization attempt is

unsuccessful (the radio tower icon

disappears from the display), the system will

automatically attempt another synchronization

at the next full one hour. This procedure is

repeated automatically up to total 5 times.

•To start manual WWVB signal reception, press

the “WWVB SEARCH“ button. If no signals

received within 7 minutes, then the WWVB

signal search stops (the radio tower icon

disappears) and will start again at the next full

one-hour.

•To cancel RC reception and stop searching for

the WWVB radio signal, press the “WWVB

SEARCH“ button once. The radio tower icon

will disappear.

About WWVB Radio Signal Reception:

•A flashing radio tower icon indicates that the

WWVB signal reception has started.

•A continuously displayed radio tower icon

indicates that the WWVB signal was received

successfully during the last attempt. If the

clock attempts to receive the WWVB signal and

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is unsuccessful, the tower icon will not be

continuously displayed on the LCD.

•We recommend a minimum distance of 2.5

meters (8 feet) to all sources of interference,

such as televisions or computer monitors

•Radio reception is weaker in rooms with

concrete walls (e.g.: in cellars) and in offices. In

such environments, place the system close to

the window.

Online Resources

•Visit the WT-8005U page online at:

http://www.lacrossetechnology.com/8005

Care and Maintenance

•Extreme temperatures, vibration and shock

should be avoided as these may cause

damage to the unit and give inaccurate

readings.

•Precautions shall be taken when handling the

batteries. Injuries, burns, or property damage

may be resulted if the batteries are in contact

with conducting materials, heat, corrosive

materials or explosives. The batteries shall be

taken out from the unit before the product is to

be stored for a long period of time.

•Immediately remove all low powered batteries

to avoid leakage and damage. Replace only

with new batteries of the recommended type.

•When cleaning the display and casings, use a

soft damp cloth only. Do not use solvents or

scouring agents as they may mark the LCD

and casings.

•Do not submerge the unit in water.

Furthermore, fix all parts in place where the

units are adequately protected against

moisture and rain.

•Special care shall be taken when handling a

damaged LCD display. The liquid crystals can

be harmful to user's health.

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•Do not make any repair attempts to the unit.

Return them to their original point of purchase

for repair by a qualified engineer. Opening and

tampering with the unit may invalidate their

guarantee.

•Never touch the exposed electronic circuit of

the device as there is a danger of electric

shock should it become exposed.

•Do not expose the units to extreme and sudden

temperature changes, this may lead to reduce

their accuracy.

•Batteries are the single largest cause of

customer support cases. Please use plain

Alkaline batteries testing no less than 1.48 on

a voltmeter or with and expiration date 7 years

in the future.

Battery Replacement

•If you notice that the LCD appears faint or that

WWVB time reception is not working properly,

try a fresh set of batteries before contacting

customer support.

We recommend that you replace the

batteries in all units regularly to

ensure optimum accuracy of these

units. Please see the battery life in

the specifications below.

Help us to keep our environment clean. Return

used batteries to an authorized depot.

Troubleshooting

Visit http://www.lacrossetechnology.com/8005 for

additional information on troubleshooting.

If the clock receives a clear signal it will set itself

perfectly.

If it does not receive a signal consider the

following:

•Battery - The La Crosse Technology® clock

must have a fresh battery to receive and

process the time signal.

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•Location - Try a different location, ideally near

a window. It should be at least six feet from

computers, TVs, air conditioners, other Radio-

Controlled clocks and other electrical

appliances that cause interference.

•Weather - Electrical storms between you and

Colorado during the night will interfere with the

WWVB signal. Although we cannot control the

weather we can help you predict it (see

www.lacrossetechnology.com).

Specifications

Battery Life

Up to 24 months

Dimensions

8.95” L x 7.20” W x 1.20” H

Power Requirements

•NOTE: Rechargeable batteries are not

recommended due to the wide variation in

performance between brands and types.

Please use only fresh Alkaline batteries.

•2 “AA” Alkaline Batteries (not included)

Warranty Information

La Crosse Technology, Ltd provides a 1-year

limited warranty on this product against

manufacturing defects in materials and

workmanship.

This limited warranty begins on the original date

of purchase, is valid only on products purchased

and used in North America and only to the

original purchaser of this product. To receive

warranty service, the purchaser must contact La

Crosse Technology, Ltd for problem

determination and service procedures. Warranty

service can only be performed by a La Crosse

Technology, Ltd authorized service center. The

original dated bill of sale must be presented upon

request as proof of purchase to La Crosse

Technology, Ltd or La Crosse Technology, Ltd’s

authorized service center.

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