La Crosse Technology WT-8112U Bedienungsanleitung

WT-8112U

RADIO-CONTROLLED SOLAR CLOCK

INSTRUCTION MANUAL

Contents

Languages Page Page

__________________________________________

English 2 1

French 18

Spanish 36

LCD1

display

Battery cover

Wall Mount

Location

LCD2

display

Foldable

stands

Solar

panel

TABLE OF CONTENTS

Topic

Page

Features

Battery Installation

Setting Up

Atomic time - WWVB Radio Controlled Time

Function keys

LCD Screen

Manual Settings

Alarm setting and snooze

Mounting

Care and maintenance

Specifications

Warranty

FEATURES:

RADIO-CONTROLLED SOLAR CLOCK:

Function keys

WWVB Radio controlled time with manual time setting

Time display: hour, minute, second

12/24h time format display

Alarm setting with snooze function

Calendar display

Weekday display (4 languages to choose from: English,

Spanish, French, German)

Time zone setting

Daylight savings time ON/OFF option (DST)

Solar mode setting

Indoor temperature display in ºF/ ºC selectable

Indoor humidity display in RH%

Primary Alkaline battery or Solar Rechargeable Alkaline

battery selection

Low battery indicator

Wall mount or freestanding

TO INSTALL / REPLACE BATTERY

The solar clock can use either the included 1 x alkaline rechargeable

battery (charged by solar panel) or 1 x AA alkaline battery (non-

rechargeable; not included).

WARNING! "Do Not recharge the included solar rechargeable

batteries in any device other than the product they came with.

Recharging the solar rechargeable batteries in battery chargers or

other third party devices will damage the batteries and charging

device"

INITIAL SETUP (USING INCLUDED SOLAR RECHARGEABLE

BATTERY FROM THE FACTORY)

1. Open battery compartment on the back of the Clock and make

sure that the battery switch under the battery compartment is

positioned to the left.

If it is not, please slide the switch to the left before proceeding.

2. Locate the battery insulator tab and gently pull to remove it.

3. Next, slide the battery switch to the SOLAR position. The

clock should activate.

4. Wait for WWVB signal.

BATTERY COMPARTMENT

NOTE: This clock requires 1 battery.

There is a ―filler battery shell‖ in the top

spot. Please leave this filler in place.

Use a non-rechargeable alkaline battery:

1. Remove the included solar rechargeable AA battery from the

compartment.

2. Use the switch to the left to select the alkaline battery.

3. Insert 1 x AA Alkaline battery into the compartment, observing

the correct polarity (see marking inside battery compartment.

4. Replace battery cover

5. IMPORTANT: If the solar panel is facing a permanent strong

light source (eg., on top of a refrigerator with halogen lamp),

please switch the clock to alkaline battery mode to avoid over-

charging re-chargeable alkaline battery.

DO NOT SET THE CLOCK.

Please help in the preservation of the environment

and return used batteries to an authorized depot.

SWITCH RIGHT

(SOLAR OPERATION)

(SOLAR-

RECHARGEABLE

BATTERY)

Slide switch to RIGHT

position once solar-

rechargeable battery

are inserted and

insulator tab is

removed

WARNING

Do NOT recharge the

included solar-

rechargeable battery

outside of this product

because it will damage the

battery and other charging

devices.

SWITCH LEFT

(START-UP /

RESET)

(STANDARD

ALKALINES)

Slide switch to

LEFT position

before (1) start-up /

reset or (2) any type

of battery

replacement

SETUP AFTER CHANGING/REPLACING THE BATTERY

1. After powering up the solar clock, all LCD segments will light

up briefly and it will show the time (12:00), indoor

temperature, date, and indoor humidity.

2. Next the WWVB time code reception will automatically start.

This reception typically takes 10 minutes in good conditions. If

after 10 minutes the WWVB time has not been received, use

the ―SET‖ key to enter the set-up mode to manually set the

Time, Time Zone and Date (see manual settings below). The

clock will continue to search for WWVB each hour between

12am and 6am. When the clock has successfully connected

with WWVB, it will override the manually set time and date.

NOTE: When changing the battery:

1. Be careful that it does not spring free from the contacts.

2. Press any button 20 times with the battery removed.

3. Always wait at least 10 minutes after removing battery

before re-inserting; otherwise start up problems may

occur.

WWVB RADIO CONTROLLED TIME

The NIST radio station, WWVB, is located in Ft. Collins, Colorado

and transmits the exact time 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 atomic clock.

However, due to the nature of the Earth’s Ionosphere, reception is

very limited during daylight hours. The atomic 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 continually measures every second of

every day to an accuracy of ten billionths of a second a 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. This atomic clock regulates the WWVB transmitter.

After 15 minutes the WWVB tower icon in the clock display will start

flashing in the top center of the LCD. This indicates the clock has

detected a radio signal and is trying to receive it. When the time code

is received, the WWVB tower becomes permanently lit and the time

will be displayed.

If the tower icon flashes, but does not set the time or the WWVB

tower does not appear at all, then please take note of the following:

Recommended distance to any interfering sources like

computer monitors or TV sets is a minimum of 6 feet (2

meters).

Within ferro-concrete rooms (basements, superstructures), the

received signal is naturally weakened. In extreme cases,

please place the unit close to a window and/ or point its front

or back towards the Fort Collins, Colorado, transmitter.

During nighttime, the atmospheric disturbances are usually

less severe and reception is possible in most cases. A single

daily reception is adequate to keep the accuracy deviation

below 1 second.

NOTE: In case the solar atomic clock is not able to detect the

WWVB-signal (disturbances, transmitting distance, etc.), the time

can be manually set (please refer to notes on Manual time setting).

FUNCTION KEYS

The radio-controlled clock has four easy to use keys:

SET key : To enter into the set mode for the following

functions: time zone, DST ON/OFF (daylight saving

time), language, hour, minute, year, month, date,

weekday, 12/24h time format display, ºF/ ºC

temperature unit, and solar mode

+key : To change any values in manual set mode

ALM key : To enter into the alarm set mode

To activate/deactivate the alarm

SNZ key : To activate the snooze function during alarm

To exit manual setting modes

Weekday

Indoor

temperature

Low battery

icon (clock)

LCD SCREEN DESCRIPTIONS

The radio-controlled clock's LCD is divided into 2 sections and once

the batteries are inserted, all the segments will light up briefly before

displaying the information for time, date, indoor temperature and

indoor humidity.

MANUAL SETTINGS

NOTE: If the radio-controlled clock has already successfully

received the WWVB time signal and displays the correct time

and date, then the Manual settings can be skipped.

After completion of the above described procedures in ―Set-up” the

manual setting modes can be entered by pressing the SET key. The

following settings can now be programmed:

Time zone setting

DST ON/OFF

Language display setting

Manual time setting

Year setting

Month setting

Date setting

Weekday setting

12/24h time format display

ºF/ºC temperature setting

Solar mode setting

TIME ZONE

The time zone can be set between the +/–12-hour range in LCD2. To

do this:

Date

Indoor

humidity

display

WWVB

time

Radio reception icon

Alarm icon

1. The time zone (LCD2) will start flashing (Default setting "EST

-5―). Select the desired time zone by pressing and releasing

the +key.

Time zone settings: -12, -11, -10, ALA, PST, MST, CST, EST,

ATL, -3, -2, -1, 0, +1, +2...+12. (Default: EST)

2. Press and release the SET key to enter the “DST Setting“.

DST (daylight saving time)

1. The ON digit will start flashing on LCD1. Set the DST ON or

OFF by pressing the +key.

2. Press and release the SET key to enter the “Language

Setting“.

NOTE: The DST default is ―ON‖, meaning that the WWVB will

automatically change the time according to Daylight Saving Time in

the spring and fall. For areas that do not recognize DST changes

(Arizona and parts of Indiana) turn the DST ―OFF‖.

LANGUAGE

The weekdays can be displayed in LCD1 with the pre-set languages:

English (US), Spanish (E), French (F), and German (d):

1. Set the desired language for the weekday display in LCD1 by

use of the + key.

2. Press and release the SET key to enter the mode “Manual

Time Setting”.

SET THE TIME MANUALLY

In case the radio-controlled clock is not able to detect the WWVB-

signal (disturbances, transmitting distance, etc.); the time can be

manually set. The clock will then work as a normal Quartz clock.

NOTE: the time will be displayed with an additional “PM”for the time

from 12:00 noon until 11:59.

NOTE: The unit will still try to receive the signal every day despite it

being manually set. When it does receive the signal, it will change

the manually set time into the received time. During reception

attempts the WWVB tower icon will flash. If reception has been

unsuccessful, then the WWVB tower icon will not appear but

reception will still be attempted the following hour.

WWVB time reception takes place from 12:00 am through 6:00 am

each day (attempts WWVB reception every full hour within this time

frame). When the time signal is received for example at 1:00 am, the

radio-controlled clock will not attempt to receive the WWVB signal for

the remaining hours until 6:00 am. Therefore, the next signal attempt

will take place between 12:00 am and 6:00 am the next day. The

other times WWVB reception takes place, are upon setup and after

manual time set exiting mode. Reception is generally not possible

during daylight hours due to the interference of the sun.

After following the steps above (Time zone setting, DST ON/OFF,

Language display setting):

1. The hour digits will start flashing on LCD1.

2. Set the desired hours by pressing and releasing the +key

followed by pressing the SET key.

3. Now the minute digits will start flashing.

4. Set the desired minutes by pressing and releasing the +key.

If the +key is held, the units will increase by 5.

5. Press and release the SET key to move to the “Year” setting.

YEAR

The year can be selected sequentially from 2001 to 2029 and will

then start over again (default setting 2009). The year will only appear

in the manual setting mode.

1. The year digits will start flashing (only last 2 digits) on LCD2.

Select the desired year by use of the +key.

2. Press and release the SET key to switch to the “Month

Setting”.

MONTH

1. The month digit on LCD2 will start flashing (Default setting 1).

Set the desired month by use of the +key.

2. Press and release the SET key to move to the mode “Date

Setting”.

DATE

1. The digits for the date will start flashing on LCD2 (Default

setting 1). Set the desired date by use of the +key.

NOTE: The date can only be set in conjunction with the

selected month. For example, it is not possible to set the date

30 if the month of February is selected.

2. Press and release the SET key to move to ―Weekday

setting‖.

WEEKDAY

1. The weekday symbols will be displayed on LCD2 in the pre-

set language and flashing. Set the desired weekday by use of

the + key.

2. Press and release the SET key to enter the mode “12/24h

Time Format Setting”.

12/24H TIME FORMAT

The time format can be display in 12h or 24h (Default setting ―12h‖).

1. The digits “12” or “24” will start flashing on LCD1. By use of

the +key select 12h or 24h time format display.

2. Press and release the SET key to enter the mode “ºC or ºF

Temperature Setting”.

°C OR °F TEMPERATURE

The temperature setting can be set to either to ºF or ºC (Default

setting °F).

1. The characters “°F” or “°C” will start flashing on LCD1. By

use of the +key select “°F” for temperature display in

degrees Celsius or “°C” for degrees Fahrenheit.

2. Press and release the SET key to enter the mode “Solar

Mode Setting”.

SOLAR MODE

The Solar Mode is used for saving the power consumption of the

rechargeable battery (Default setting ON):

1. The characters “ON” or “OFF” will start flashing on LCD1. By

use of the +key select “ON” or “OFF” to set the solar mode.

2. Press and release the SET key to exit the setting mode and

switch back to the normal display mode.

If the solar mode setting is ON:

LCD will automatically turn OFF automatically if the

environment is too dark

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