La Crosse Technology WT-941 Manual

La Crosse Technology Ur WT-941

Læs nedenfor 📖 manual på dansk for La Crosse Technology WT-941 (2 sider) i kategorien Ur. Denne guide var nyttig for 3 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

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MODEL: WT-941

WWVB—RADIO CONTROLLED WATCH

ABOUT WWVB (Radio Controlled Time)

The NIST (National Institute of Standards and Technology—Time and Frequency

Division) WWVB radio station is located in Ft. Collins, Colorado, and transmits the

exact time signal continuously at 60 kHz. The signal can be received up to 2,000

miles away through the internal antenna in the watch. However, due to the nature of

the Earth’s Ionosphere, reception is very limited during daylight hours. The Watch

will search for a signal every night when reception is best. The WWVB radio station

derives its signal from the NIST Atomic clock in Ft. Collins, Colorado. A team of

atomic physicists is continually measuring every second, of every day, to an accuracy

of ten billionths of a second per 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 watch is regulated by the WWVB transmitter.

SET-UP GUIDE, FEATURES, AND OPERATIO

II.

III.

IV.

TIME ZONE SELECTION

The default Time Zone is Eastern Time (EST, also GMT-5). There are 25

Time Zones to choose from. The selection will cycle from GMT-5 to GMT-

12, then GMT+12 to GMT +1, then GMT, then GMT-1 to GMT –5.

1. Hold down the TIME ZONE button for 2 seconds, or until a Time

Zone abbreviation and “ZONE” flash in the LCD, and release.

2. Repeatedly press the TIME ZONE button until the appropriate Time

Zone is displayed.

3. Wait 6 seconds for the automatic time-out to exit the Time Zone

selection mode.

ACTIVATION

The Radio-Controlled watch is programmed and shipped in a battery-saving

mode. The LCD (Liquid Crystal Display) displays “OFF” and must be

activated before set-up can begin. Your watch may not be in this mode; if not

all you need to do is set your time zone (the correct time may or not be

shown).

DAYLIGHT SAVING TIME (DST)

Through the WWVB signals, the watch automatically adjusts for Daylight

Saving Time.

SHUTDOWN AND RESETTING

This procedure will clear all information. Follow the above sections (I, II) to

activate the watch again.

1. Press the TIME ZONE button briefly to activate the WWVB reception

search. The LCD lights up briefly and will then display “-:--” and the

watch will begin to search for the WWVB signal. If a signal is found,

a “tower” icon will flash; if no signal is present, no icon will flash.

1. Hold down the TIME ZONE button for 6 seconds. The LCD will

cycle from normal display, to Time Zone display, and back to normal

display. The final display will be “OFF.”

2. Within six minutes, the watch will either set to the exact time and

date (Eastern is the default), or will display “-:--”.

TIME ZONE key

Atlantic Time (ATL): GMT-4 Alaska Time (ALA): GMT-9

Eastern Time (EST): GMT-5 Hawaii Time (HAW): GMT-10

Central Time (CST): GMT-6

Mountain Time (MST): GMT-7

Pacific Time (PST): GMT-8 Greenwich Mean Time (GMT): GMT

“Hawaii Time displayed

(GMT-10)

MANUALLY ACTIVATING THE WWVB SEARCH

At any time after the Time Zone has been selected, and during the normal

operating mode:

Do not press the TIME ZONE button while the watch is searching for the

WWVB signal, which normally takes 6-10 minutes. However, the optimal

time for WWVB reception is between midnight and 6:00 a.m., reception may

not occur until this time period. When the WWVB search is complete the

time and date will automatically be displayed in the LCD. If the watch is not

within range of WWVB signals for an extended period of time it will still

continue to operate as a highly accurate quartz controlled clock.

1. Hold down the TIME ZONE button for 4 seconds (the LCD will

display the time zone then will revert back to normal view). The

WWVB tower icon will appear in the upper right corner of the LCD,

indicating that the watch is searching for a WWVB signal.

Note: It is important not to hold the TIME ZONE button down long

enough to shutdown or reset the watch.

Produkt Specifikationer

Mærke:	La Crosse Technology
Kategori:	Ur
Model:	WT-941

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