Manual Junghans Mega Solar - J615.84 (page 5 of 133) (English, Dutch, Danish, French, Italian, Spanish)

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2. Environmentally friendly solar technology

Technology that needs no batteries! Light – no matter whether sun-

light or artificial – penetrates the solar or light-transparent watch face.

This transforms the light into electrical energy, which gets saved in a

long-life power store. The power store serves as the source of electrici-

ty for your multi-frequency radio-controlled solar-powered movement

J615.84.

3. Automatic time synchronisation

The automatic time synchronisation process always takes place at

night based on the local time set on your watch:

EU – DCF 77: at c. 2 a.m. and 3 a.m.

JP – JJY40 and JJY60: c. 2 a.m.

US – WWVB: c. 2 a.m.

At the start of the synchronisation process the LC display automatical-

ly switches off. The display remains switched off for the full duration of

the synchronisation process (max. 9 minutes) or until this is manually

aborted. Automatic time synchronisation can be aborted by pressing

any button.

For the USA’s WWVB time signal transmitter the following specific

feature applies:

After a successful transmitter call or restart, your Junghans multi-

frequency radio-controlled solar-powered watch always reads in

Pacific Standard Time. Due to the non-uniform changeover from

summer to winter time and the differing time zones in the individu-

al US states, you are given the opportunity to adjust winter time,

summer time and time zone settings (see 6.2) manually. If, due to

where you are, the time zone or summer / winter time that you have

set differs from PST, it is nevertheless retained during any subse-

quent transmitter call or automatic synchronisation.

After automatic time synchronisation has been successfully perfor-

med, you can see which transmitter the signal was picked up from by

pressing button T1. The time signal always changes the date automati-

cally. In leap years the 29th of February gets automatically taken into

account. If none of the attempts at picking up a signal lead to clear syn-

chronisation, the reception indicator gets deactivated (see section 6).

Thanks to the internal time-memory, your watch will continue to run

during any days without time synchronisation with the precision of a

quartz watch. The next successful reception of the time signal leads to

synchronisation and the reception indicator on the LC display becomes

activated.

Recommendation: To ensure the best possible conditions for automa-

tic reception of the time synchronisation signal, the watch should not

be worn and, if possible, not left near to any electrical appliances, mobi-

le or cordless phones.

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Junghans Mega Solar - J615.84 Manual

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