La Crosse Technology WS-8249U User manual

LCD2

display

LCD1

display

Hanging holes

Foldable stands

Battery cover

WS-8249U

ATOMIC CLOCK WITH INDOOR TEMP/HUMIDITY AND OUTDOOR

TEMPERATURE

Instruction Manual

FEATURES:

ATOMIC CLOCK:

•WWVB Radio controlled time with manual time setting

•Time display: hour, minute, second

•Alarm setting with snooze function

•Complete calendar display

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

•Time zone setting

•Daylight savings time ON/OFF option (DST)

•Indoor temperature and humidity display

•Outdoor temperature display via 433MHz transmission

•Wall mount or freestanding

•Weather forecast with weather tendency indicator

Function keys

OUTDOOR TEMPERATURE TRANSMITTER:

•Remote transmission of outdoor

temperature to the atomic clock by 433

MHz signals

•Wall mounting case

TO INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE TRANSMITTER

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

steps below:

1. Remove the cover.

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

3. Replace the battery cover on the unit.

Alkaline batteries are recommended for use in both units. Avoid using rechargable

batteries.

TO INSTALL AND REPLACE BATTERIES IN THE ATOMIC CLOCK

The atomic clock uses 3 x AA, 1.5V batteries. To install and replace the batteries, please follow

the steps below:

1. Pull down on the tab at the top of the battery cover 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.

SETTING UP:

Alkaline batteries are recommended for use in both units. Avoid using

rechargable batteries.

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

1. Place batteries in the outdoor transmitter first, then into the atomic clock. DO NOT

PRESS ANY BUTTONS FOR 15 MINUTES.

Mounting Bracket

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 the clock receives the outdoor temperature the WWVB time code reception will

automatically start. This reception typically takes between 5-10 minutes in good conditions.

If after 15 minutes the WWVB time has not been received, use the “SET” key to manually

enter the set-up mode and change either the time or date in order to activate the WWVB

reception (see manual settings below). The clock will then automatically attempt to receive

the WWVB time from 12:00 am through 6:00 am each day (attempts WWVB reception

every full hour within this time frame). When this is successful, the received time will

override the manually set time. The date is also updated with the received time (Please

refer to notes on “Radio controlled time” and “Manual time setting”).

4. After the time signal has been received or the search mode has been manually stopped the

indoor temperature will be displayed.

Note:

When changing batteries in either of the units, ensure that the batteries do not spring free from

the contacts. Always wait at least 15 minutes after removing the batteries before reinserting,

otherwise start up and transmission problems may occur.

FUNCTION KEYS

The atomic clock has four easy to use keys:

SET key : To enter into the set mode for the following functions: LCD contrast, time zone,

DST ON/OFF (daylight saving time), radio-controlled time ON/OFF, language,

hour, minute, year, month and date.

+key : To toggle between the seconds display options

To change any values in manual set mode

ALM key : To enter into the alarm set mode

To set the alarm ON/OFF

To display the alarm time in normal mode display

To exit the setting modes

SNZE key : To activate the snooze function during alarm

ATOMIC CLOCK LCD SCREEN DESCRIPTIONS

The atomic 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 and indoor humidity.

MANUAL SETTINGS

Note:

If the atomic 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 5 seconds. The following settings can

now be programmed:

WWVB time

Indoor humidity and

temperature

Radio reception icon

Outdoor temperature

Weekday

Date

larm icon

Month

Weather forecast

icoon

Default (Factory) Setting

•LCD contrast setting 4

•Time zone setting -5 (Eastern Standard Time)

•DST ON/OFF ON

•Radio-controlled time ON/OFF ON

•Language display setting ENG (English)

•Manual time setting (Hour then Minute) 12 (hour), 00 (minute)

•Year setting 2004

•Month setting Jan (January)

•Date setting 1

LCD CONTRAST SETTING

After entering the manual setting mode as described above, the LCD contrast can be set between

0 and 7.

1. Press and hold the SET key for 5 seconds.

2. LCD will be displayed in the lower display and a number will flash to the right of the word

LCD.

3. Press and release the +key to select the desired LCD contrast.

4. Press and release the SET ket to confirm the LCD contrast and continue to the Time Zone

setting.

TIME ZONE SETTING

The time zone can be set between the –1 to –12 hour or Greenwich Mean Time (GMT) range.

1. The time zone will start flashing (Default setting "-5h“) in the lower LCD display.

2. Press and release the +key to select the desired time zone.

3. Press and release the SET key to confirm the time zone setting and continue to the DST

(Daylight Saving Time) setting.

Note: The time zones from –4 to –10 hours will be displayed with 3 characters abbreviations:

•-4 ATL (Atlantic time),

•-5 EST (Eastern time; default time zone),

•-6 CST (Central time),

•-7 MST (Mountain time),

•-8 PST (Pacific time),

•-9 ALA (Alaska time),

•-10 HAW (Hawaii time).

•"GMT” will be displayed if set to GMT (0).

DST SETTING (daylight saving time)

1. The word ON will start flashing in the lower LCD display.

2. Press and release the +key to select DST ON or OFF.

3. Press and release the SET key to confirm the DST setting and continue to the Radio-

controlled time 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”.

RADIO-CONTROLLED TIME SETTING

1. The word ON will start flashing in the lower LCD display.

2. Press and release the +key to select radio-controlled time ON or OFF.

3. Press and release the SET key to confirm the radio-controlled time setting and continue to

the Language setting.

Note: Turn off the radio-controlled time feature only if you DO NOT want the clock to

automatically update itself.

LANGUAGE SETTING

The weekdays can be displayed in LCD2 with the pre-set languages: US English (ENG), French

(FRA) and Spanish (ESP).

1. LAN will be displayed in the lower LCD along with one of the three letter language

abbreviations.

2. Press and release the +key to select the desired language.

3. Press and release the SET key to confirm the language setting and enter the Manual Time

setting mode.

MANUAL TIME SETTING

In case the atomic 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: In 12-hour mode 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 in the upper LCD.

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

3. Press and release the SET key to advance to the minutes setting.

4. Now the minute digits will start flashing.

5. Select the desired minutes by pressing and releasing the +key. If the +key is held, the

units will increase by 5.

6. Press and release the SET key to confirm the Time setting and continue to the Year setting.

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 atomic 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.

YEAR SETTING

The year can be selected sequentially from 2003 to 2029 and will then start over again (default

setting 2004). None of the digits of the year will be visible on the lower LCD display however the

year must be correct as it affects the day of the week display.

1. The year digits will start flashing in the lower LCD.

2. Press and release the +key to select the desired year.

3. Press and release the SET key to confirm the Year setting and continue to the Month

setting.

MONTH SETTING

1. The month digits on LCD2 will start flashing.

2. Press and release the +key to select the desired month.

3. Press and release the SET key to confirm the Month setting and continue to the Date

setting.

DATE SETTING

1. The digits for the date will start flashing in the lower LCD (Default setting 1).

2. Press and release the +key to select the desired date.

3. Press and release the SET key to confirm the Date setting and exit the manual setting

mode.

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.

EXIT THE MANUAL SETTING MODES

•To return to the normal display mode from anywhere in manual setting mode simply press

the ALM key at anytime.

•

If no keys are pressed for at least 15 seconds in setting mode, the atomic clock will

automatically switch back to normal display mode.

ALARM SETTING

To enter into the alarm setting mode:

1. Hold the ALM key for 5 seconds. The hour digits start flashing.

2. Press and release the + key to set the hour.

3. Press and release the ALM key to continue to the minutessetting.

4. The minute digits start flashing.

5. Press and release the + key to set the minutes.

6. Press and release the ALM key to exit the Alarm setting mode or wait for 15 seconds for the

clock to automatically timeout and return to the standard display mode.

TO DEACTIVATE THE ALARM:

The alarm will be automatically switched ON when the alarm time is set. To deactivate the alarm

(OFF), press and release once the ALM key in normal mode display. The alarm icon will

disappear, the alarm is now off.

SNOOZE SETTING

The snooze can only be activated during alarm time for a snooze duration of 10 minutes by

pressing the SNZ key on the back of the clock.

OUTDOOR TEMPERATURE TRANSMITTER:

The temperature is measured and transmitted to the atomic clock every 1 minute. The atomic

clock will update the temperature display every 5 minutes.

larm icon (((•))) (ON)

The range of the outdoor temperature transmitter may be affected by the temperature. At cold

temperatures the transmitting distance may be decreased. Please bear this in mind when

positioning the transmitter. Also the batteries may be reduced in power during periods of extreme

cold temperatures.

433MHz RECEPTION CHECK FOR OUTDOOR TEMPERATURE TRANSMITTER

The atomic clock will receive the temperature data within 4 minutes. If the temperature data has

not been received 4 minutes after setting up (the display shows “- - -”), then please check the

following points:

1. The distance of the atomic clock or outdoor temperature transmitter should be at least 6 feet (2

meters) away from any interfering sources such as computer monitors or TV sets.

2. Avoid placing the receiver onto or in the immediate proximity of metal window frames.

3. Using other electrical products such as headphones or speakers operating on the same signal

frequency (433MHz) may prevent correct signal transmission and reception.

4. Neighbors using electrical devices operating on the 433MHz signal frequency can also cause

interference.

Note:

When the 433 MHz signal is received correctly, do not re-open the battery cover of either the

outdoor temperature transmitter or atomic clock, as the batteries may spring free from the

contacts and force a false reset. Should this happen accidentally then reset all units (see Setting

up above) otherwise transmission problems may occur.

The maximum transmission range is 330 feet (100 meters) from the outdoor temperature

transmitter to the atomic clock (in open space). However, this depends on the surrounding

environment and interference levels. If no reception is possible despite the observation of these

factors, all system units have to be reset (see Setting up).

CHANGING THE DISPLAY MODE

(SECONDS,TEMPERATURES AND HUMIDITY)

There are four possible display modes to view the seconds, temperatures and humidity.

The indoor humidity, indoor temperature and outdoor temperature display is the default (factory)

setting.

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