La Crosse Technology WS-8158U-IT Manual

La Crosse Technology Vækkeur WS-8158U-IT

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Side 1/5

WS-8158U-IT

RADIO-CONTROLLED CLOCK WITH OUTDOOR WIRELESS

TEMPERATURE AND WEATHER FORECAST

INSTRUCTION MANUAL

Contents

Language Page

__________________________________________________________________

English 1

French

Spanish

TABLE OF CONTENTS

Topic Page

Features 3

Battery Installation 4

Setting Up 5

Atomic time - WWVB Radio Controlled Time 5

Function keys 6

LCD Screen 6

Manual Settings 7

Changing the display mode 10

Alarm 10

Weather Forecast and Tendency 11

Outdoor transmitter 14

915 MHz Reception 14

Mounting 14

Care and maintenance 15

Specifications 16

Warranty 17

INSTANT TRANSMISSION is the state-of-the-

art new wireless transmission technology,

exclusively designed and developed by LA

CROSSE TECHNOLOGY. INSTANT

TRANSMISSION offers you an immediate

update (every 4 seconds!) of all your outdoor

data measured from the transmitters: follow

your climatic variations in real-time!

This product offers:

LCD1

display

Battery cover

Hanging holes

LCD2

display

Foldable stands

FEATURES:

RADIO-CONTROLLED CLOCK:

 WWVB Radio controlled time with manual time setting

 Time display: hour, minute, second

 Alarm setting with snooze function

 Calendar display

 Weekday display (3 languages to choose from: English, Spanish, French,)

 Time zone setting

 Daylight savings time ON/OFF option (DST)

 Indoor and outdoor temperature display

 Temperature display in ºF/ ºC selectable

 Weather forecast with weather tendency indicator based on air pressure

 Wireless transmission at 915MHz

 Signal reception intervals at 4 seconds

 Low battery indicator

 Wall mount or freestanding

OUTDOOR TEMPERATURE TRANSMITTER:

 Remote transmission of outdoor temperature to the

radio-controlled clock by 915 MHz signals

 Wall mounting case

Function keys

Holder

ALKALINE BATTERIES ARE RECOMMENDED FOR USE IN BOTH UNITS. AVOID USING

RECHARGEABLE BATTERIES.

TO INSTALL / REPLACE BATTERIES IN THE TEMPERATURE TRANSMITTER

(INSTALL BATTERIES IN TRANSMITTER BEFORE INSTALLING BATTERIES IN RADIO-

CONTROLLED CLOCK)

The transmitter uses 2 x AA,1.5V batteries. To install and replace the batteries, please follow

the steps below:

1. Remove the battery cover by pushing down towards bottom of transmitter and sliding

cover out.

2. Insert the batteries, observing the correct polarity (see marking inside battery

compartment).

3. Replace the battery cover on the unit.

TO INSTALL / REPLACE BATTERIES IN THE RADIO-CONTROLLED CLOCK

The radio-controlled clock uses 2 x AA,1.5V batteries. To install and replace the batteries,

please follow the steps below:

1. Insert finger or other solid object in the space at the bottom center of the battery

compartment and lift up to remove the cover.

2. Insert batteries observing the correct polarity (see marking inside battery compartment).

3. Replace compartment cover.

DO NOT SET THE CLOCK.

REPLACING BATTERY(S):

For best performance, batteries should be replaced at least once a year to maintain the best

running accuracy. Ensure that the batteries used are new and the correct size.

Please help in the preservation of the environment and return used batteries

to an authorized depot.

SETUP:

Alkaline batteries are recommended for use in both units.

NOTE: Do not set the clock until the outdoor temperature is displayed.

1. Place batteries in the outdoor transmitter first, then into the radio-controlled clock. DO

NOT PRESS ANY BUTTONS FOR 30 MINUTES.

2. After 15 minutes both the Indoor and Outdoor areas on your clock should have a

temperature showing. If not, remove both sets of batteries, wait 15 minutes and repeat

step one.

3. After 15 minutes have elapsed, 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:

In the event of changing batteries of the unit, ensure that the batteries do not spring free from

the contacts. Press any button 20 times with the batteries removed. Always wait at least 10

minutes after removing batteries before reinserting, otherwise start up and transmission

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 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, ºC or ºF temperature

+ key : To toggle between the month and date, alarm and seconds display

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

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 and

outdoor temperatures.

Weekday

Indoor temperature

Low battery icon (clock)

Low battery icon (transmitter)

* When the signal is successfully received by the Weather Station, the icon will be switched on.

(If not successful, the icon will not be shown in LCD) So the user can easily see whether the

last reception was successful (icon on) or not (icon off).



 If the signal reception is not successful on the first frequency (915MHz) for 30 seconds, the

frequency is changed to 920MHz and the learning is tried another 30 seconds. If still not

successful the reception is tried for 30 seconds on 910MHz. This will also be done for re-

synchronization.

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 “Setting-up” the manual setting modes

can be entered by pressing and holding the SET key for 3 seconds. The following settings can

now be programmed:

 Time zone

 DST ON/OFF

 Language

 Manual time

 Year

 Month

 Date

Date

Outdoor temperature display

WWVB time

Radio reception icon

Alarm icon

Sensor signal reception icon*

 Weekday

 ºC or ºF

TIME ZONE

The time zone can be set between the 0 to –12 hour or Greenwich Mean Time (GMT) range in

LCD2. To do this:

1. The time zone (LCD2) will start flashing (Default setting "-5“). Select the desired time zone by

pressing and releasing the + key.

Time zone settings: -12, -11, HAW, ALA, PST, MST, CST, EST, ATL, -3, -2, -1, GMT

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

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 Settings“.

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: (US) English, Spanish (E)

and French (F).

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 Settings”.

MANUAL TIME

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.

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.

Produkt Specifikationer

Mærke:	La Crosse Technology
Kategori:	Vækkeur
Model:	WS-8158U-IT

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