ACU-RITE Atomic Clock Manuale di istruzioni - Pagina 3

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Overview

Introduction

Chaney and AcuRite atomic clocks use a radio-controlled signal to

synchronize to the correct time broadcast by the National Institute

of Standards and Technology (NIST) Radio Station WWVB,

located near Fort Collins, Colorado. WWVB broadcasts the

current time and date with split-second accuracy.

Atomic clocks set themselves and automatically adjust for daylight

saving time to provide the most accurate timekeeping standard

possible.

SETUP

1. Locate the Time Zone Switch (E) on the back of the clock.

The switch has four time zone indicators: P, M, C & E

(P=Pacific, M=Mountain, C=Cental, E=Eastern). Move the

switch to select your time zone.

2. Slide the "DST" switch (F) to the ON position to allow the

clock to automatically set itself for daylight saving time (DST).

On the Spring and Fall DST dates, at 2:00 am, the clock will

adjust itself until the correct time is reached. If you live in an

area that does not observe daylight saving time and do not

want the clock to change, place the "DST" switch in the

"OFF" position.

3. Find a suitable location for your clock. For the best possible

reception, place the clock with the back side facing

Colorado.

The atomic signal can be impacted by weather conditions,

electrical interference and solar conditions. Although atomic

clocks can work in most locations, the number of times they

sychronize with the atomic signal depends on suitable clock

placement. Signal reception is especially important for

automatic daylight saving time updates, which can be

delayed from poor signal reception.

SETUP

4. Insert one fresh 1.5 volt "AA" battery in the battery

compartment (A) to power on the clock .

5. After the battery is inserted, the second hand will move

clockwise to the 12:00 position. Within 5 minutes the hour

and minute hand will also move to the 12:00 standby

position. The clock will then search for the atomic signal. If

the signal in your area is strong, the clock will set itself within

3-12 minutes. NOTE: Due to solar radiation in the

atmosphere, a radio controlled clock signal is weaker during

the day. Most synchronization with the atomic signal happens

at night when there is less interference.

Setup Is Now Complete

Once the atomic signal has been received by the clock, the

minute hand will advance or slow down as necessary until the

clock sets itself to the correct time.

MANUAL SETUP

Manual setup allows you to set the clock without the atomic

signal. After manual setup, the clock will continue to search for

the atomic signal.

• Press and hold the "M.SET" button (C) for 3 seconds. The

clock will be in manual time set mode.

• Press the "M.SET" button to advance the time by 1 minute.

• Press and hold the "M.SET" button to quickly advance the

hour and minute hands.

• Press the REC button (D) to exit manual time set mode.

• If no button is pressed for 3 minutes you will automatically

exit manual time set mode.