Solar Charging - Casio 5603 Operation Manual

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Solar Charging

This watch runs on power supplied from a
rechargeable (secondary) battery that is
charged by a solar panel. The solar panel is
integrated into the face of the watch, and
power is generated whenever the face is
exposed to light.
Charging the Watch
When you are not wearing the watch, put it in
a location where it is exposed to bright light.
While you are wearing the watch, make sure
that its face (solar panel) is not blocked from
the light by the sleeve of your clothing. Power
generation efficiency is reduced even when
the face of the watch is blocked only partially.
YES
NO
Important!
Depending on light intensity and local
conditions, the watch may become hot
to the touch when exposed to light for
charging. Take care to avoid burn
injury after charging. Also, avoid
charging the watch under high-
temperature conditions like the ones
described below.
On the dashboard of a vehicle
parked in the sun
Near an incandescent light bulb or
other source of heat
Under direct sunlight or in other hot
areas for long periods
Operation Guide 5603
Checking the Charge Level
Pushing the crown back in after pulling it out
will cause the mode hand to indicate the
current charge level. After a short while, the
mode hand will indicate the current day of the
week.
 ③
A Good (high charge)
B Good (medium charge)
C Low Battery
Remaining Charge and Dead Battery
You can determine if the charge level is low by
checking the hand movement. Functions
become disabled as battery power goes low.
Important!
Should the battery go low or go dead,
expose the face (solar panel) to light as
soon as possible.
Note
Exposing the watch face to light after
the battery goes dead will cause the
second hand to revolve
counterclockwise until it stops at
second 57. This indicates charging
has started.
Low Battery Power
The second hand jumps at two-second
intervals.
Second hand
Dead Battery
All hands and the day indicator are stopped.
30
Charging Time Guidelines
The table below shows guidelines for
approximate charging times.
Required Charging Time for 1-day Use
Light Intensity Approximate Charging Time
High
p
Low
Time Required to Achieve Next Charge
Level
Light Intensity
High
p
Low
Charge Level 1 :
Time from dead battery until hand movement
starts
Charge Level 2 :
Time from hand movement start until a full
charge
Light Intensity
A Sunny day, outdoors (50,000 lux)
B Sunny day, near a window (10,000 lux)
C Overcast day, near a window (5,000 lux)
D Indoor fluorescent lighting (500 lux)
Note
Actual charging time depends on the
local charging environment.
30
1
8 minutes
A
30 minutes
B
48 minutes
C
8 hours
D
Approximate Charging Time
Charge Level
Charge Level
1
2
2 hours
17 hours
A
5 hours
64 hours
B
8 hours
104 hours
C
91 hours
-
D
4

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