La Crosse Technology WS-8236U User manual

Hanging holes

WS-8236U

ATOMIC CLOCK WITH TEMPERATURE, HUMIDITY AND

MOON PHASE

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 display

•Indoor humidity display

•Wall mount or freestanding

•Moon phase display

LCD2

display

LCD1

display

Function keys

Foldable stands

Battery cover

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. Avoid using rechargeable

batteries.

1. Place batteries in the atomic clock. DO NOT PRESS ANY BUTTONS FOR 15 MINUTES.

2. After 15 minutes the indoor area on your clock should have a temperature and humidity

showing. If not, remove batteries, wait 15 minutes and repeat step one.

3. After the clock receives 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 the unit, 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

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.

Indoor humidity

and temperature

Second

Display

+key : To change any values in manual set mode or alarm 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

SNZ 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 temperature,

indoor humidity, and second.

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.

WWVB time

Radio

reception icon

Weekday

Date

larm icon

Month

Moon Phase Display

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:

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 key 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.

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 minutes setting.

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.

larm icon (((

•

))) (ON)

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.

The WWVB tower icon in the clock display will start flashing in the top center of the LCD. This

indicates that 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).

MOON PHASE

The moon phases appear in the middle of the lower LCD. There are 12 visible Moon Phases that

will show in the LCD:

MOON PHASES FOR THE WS-8236U

New Moon Small Waxing Large Waxing First Quarter Small Waxing Large Waxing

Crescent Crescent Gibbous Gibbous

Full Moon Large Waning Small Waning Last Quarter Large Waning Small Waning

Gibbous Gibbous Crescent Crescent

POSITIONING

Before permanently mounting ensure that the atomic clock is able to receive WWVB signals from

the desired location. Also, extreme and sudden changes in temperature will decrease the

accuracy of the atomic clock, and changes in elevation will result with inaccurate temperatures

readings for the next 12 to 24 hours. These changes will require a 12 to 24 hour wait before

obtaining reliable data.

POSITIONING THE ATOMIC CLOCK:

There are two possible ways to mount the atomic clock:

•use of the foldout table stands, or

•wall mounting

FOLDOUT TABLE STAND

The foldout table stand legs are located on the backside, at the lower corners, just

below the battery cover. The hinges are towards the edges of the atomic clock, and

the ends (with no hinge) need to be folded out towards the edge. Once the foldout

table stands are extended, place the atomic clock in an appropriate location.

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