About charging
How to charge the watch
Expose the dial to light to charge the watch.
To ensure optimal performance of the watch,
make sure that the watch is kept sufficiently
charged at all times.
Under the following situations, the energy of
the watch is likely to be depleted, resulting in
stoppage of the watch:
• The watch is concealed under a sleeve.
• The watch is used or stored under
conditions where it cannot be exposed to
light for a long time.
* When charging the watch, make sure that the watch is not heated to a high temperature. (The operational
temperature range is between -10°C to +60°C (14 ºF and 140 ºF).)
*
When first using the watch or starting to use the watch after it has stopped because of the energy depletion,
sufficiently charge the watch referring to the table on the page at the right.
Standard Charging Time
Charge the watch using the times below as a guide.
GPS signal reception consumes considerable energy. Expose the watch to light frequently, and
charge the watch so that the energy level is "middle" or "full". (If the energy level is “low”, reception
will not begin even if GPS signal reception is operated.)
→
Check the charging status P. 13
Illumination
lx (LUX)
Light source Condition (Example)
From the state where the watch is
stopped (not charged)
In the state
where the
hand moves
(the watch is
charged)
To fully
charged
To one-second
interval movement
is secured
To move for
one day
700
Fluorescent
light
General offices - - 3.5 hours
3,000
Fluorescent
light
30 W 20 cm 250 hours 9.5 hours 1 hour
10,000
Sunlight
Fluorescent
light
Cloudy day
30 W 5cm
75 hours 3 hours 15 minutes
100,000 Sunlight
Sunny day (Under the
direct sunlight on a
summer day)
30 hours 1.5 hours 10 minutes
The figures of “Time required for charging the watch to start moving at one-second intervals” are
estimations of time required to charge the stopped watch by exposing it to light until it moves at
steady one-second intervals. Even if the watch is partially charged for a shorter period, the watch
will
resume one-second- interval movement. However, it may shortly return to two-second-interval
movement. Use the charging time in this column as a rough guide for sufficient charging time.
* The required charging time slightly varies depending on the model.
14
3
BEFORE USE
ASTRON 3X22 GPS SOLAR
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