Manual Velleman WS3080 (page 9 of 98) (English, German, Dutch, French, Polish, Portuguese, Spanish)

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WS3080

V. 02 – 21/01/2015 9 ©Velleman nv

8. Operational notes

8.1 Initialization

RF connection

 When batteries are inserted into the base station, it enters RF receiving mode and tries to connect to the

sensor for 144s. When connection is established, it will receive data for temperature, humidity, wind speed

and rain each 48s, for light intensity each 60s. Do not press any key until outdoor data is displayed to

avoid interrupting the learning process.

 If reception fails 8 times in a row, connection is lost and outdoor temperature [12] and humidity [11]

indicate “----”. The base station enters RF receiving mode again for 144s.

 To force RF receiving state manually, press and hold the  [d] button for ±4s.

DCF connection

 When batteries are inserted into the thermo-hygrometer (sensor) it will first transmit weather data for 24s.

 Then it will start looking for a DCF signal for about 5 minutes. If no signal is found, it will attempt again

every hour until it does. Meanwhile the time can be set manually (see §7).

 Once a signal is received, the sensor transmits the signal to the base station and the time is updated; the

RCC indicator [18] is shown.

Notes:

 When your time zone is not UTC+1:00 (GMT + 1:00) you should set the time manually to ensure the time

is updated correctly once DCF connection is established.

 Best reception for DCF signals is between midnight and 6:00am.

DCF principle

The thermo-hygrometer contains a receiver which receives a radio-signal from a radio

station located at Mainflingen near Frankfurt, Germany. This long-wave radio-signal

(DCF77, 77.5 kHz) is based on atomic clocks and contains time and date information.

For more information refer to www.ptb.de (PTB = Physikalisch-Technische

Bundesanstalt). The device automatically synchronizes with this master clock radio-

signal.

Due to its nature, the radio-signal can be received indoors. However, it should be

noted that the signal is weakened by the presence of concrete and metal. Therefore

the clock must not be installed in concrete basements or inside metal cages. In large

concrete office buildings or apartments, the clock should be located near a window for

better reception. Also avoid installing the clock near strong magnetic fields or other

devices that generate a lot of electrical noise (e.g. engines).

8.2 Weather forecast tendency

Symbol overview

sunny

partly cloudy

cloudy

rainy

snow

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Velleman WS3080 Manual

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