Ambient Weather RC-1200WBDN Gebruikershandleiding - Pagina 6

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11 Maintenance

The device is maintenance-free, but should be cleaned occasionally. Only use a slightly dampened and

soft cloth to clean the housing. Do not use abrasives or solvents.

12 Specifications

Operating Voltage

Battery

Battery Life

Radio controlled time protocol

Dimensions

13 Glossary of Terms

Term

DST

RCC

WWVB

14 Troubleshooting Guide

If your question is not answered here, you can contact us as follows:

1. Email Support:

[email protected]

2. Technical Support: 480-346-3380 (M-F 8am to 3pm Arizona Time)

Version 1.1

1.5 Vdc

1 x AA

About 1 year (high quality batteries)

WWVB (USA)

Approximately 12"

Definition

Daylight saving time (DST) or summer time is the

practice of advancing clocks during the lighter months so

that evenings have more daylight and mornings have

less. Typically clocks are adjusted forward one hour near

the start of spring and are adjusted backward in the

autumn.

A radio-controlled clock is a clock that is synchronized

by a time code bit stream transmitted by a radio

transmitter connected to a time standard such as an

atomic clock.

WWVB is a NIST time signal radio station near Fort

Collins, Colorado. WWVB is the station that

radio-controlled clocks in most of North America use to

synchronize themselves. The 70 kW ERP signal

transmitted from WWVB is a continuous 60 kHz carrier

wave, the frequency of which is derived from a set of

atomic clocks located at the transmitter site, yielding a

frequency uncertainty of less than 1 part in one trillion.

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