Junghans J615.84 - General Information; Technical Information

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9.2 Following complete discharge
The following table shows you the charging times following complete
discharge of the energy store. These charging times are dependent
on the intensity of the light source. The guideline values stated in the
table are for orientational use only. Please note that the design of the
solar dial aects the charging time.
Please ensure that the watch is not exposed to temperatures over
50 degrees Celsius during the charging process.
During the charging process two bars are displayed [
] in the LC dis-
play after approximately 1 minute, blinking at 10-second intervals.
Light source Lux
Charging time
until reception is
commenced
Charging time until
complete charging
of energy store
Sunlight outdoors approx. 50.000 approx. 1 day approx. 1 day
Sunlight through a
window
approx. 10.000 approx. 4 days approx. 6 days
Daylight though a
window on a
cloudy day
approx. 5.000 approx. 8 days –
Fluorescent lighting approx. 500 – –
10. General information
External inuences can aect the watch’s waterproof qualities, which
may let in moisture. We therefore recommend that you have your
watch regularly inspected by your Junghans specialist. Other servicing
tasks or wrist strap repairs should also be done by your Junghans
specialist. Your watch is tted with a quality wrist strap that has
undergone multiple inspections in our factory. If, however, you decide
to change the strap, please t a new one of the same quality, preferably
an original Junghans wrist strap. Watch and wrist strap can be cleaned
with a dry or slightly moistened cloth.
NB: Do not use che mical cleaners (e.g. benzine or paint thinners). These
may harm the surface.
11. Technical information
Time taken to self-set with good reception c. 3 -10 minutes
Time zone adjustment range (UTC) + /–12 hours
Switching from CET to CEST and vice versa Automatic
Time comparison with the DCf77 time signal
transmitter 2 a.m. and 3 a.m.
Synchronisation with the time signal transmitters
JJY40, JJY60, WWVB c. 2 a.m.
Operating temperature 0° to + 50° C
No licence fee. Approved by the German Post Oce. Subject to technical
modications.