Date :
1. How to remove the setting stem
The ''setting lever'' can not be push if the setting stem is not at normal position.
Please do not transform the earth spring.
2. Attention for solar cell unit
Pay attention not to touch and scratch the surface of the solar cell.
3. Dial transparency rate
Keep the transparency rate of the dial more than 30%.
Each elements of solar cell must be kept the transparency rate.
4. The guideline of charging time is as in below
(Dial transparency rate = 30%)
Illumination
(Lx)
Source of light
Environment
A
(Approx.
Hours)
C
(Approx.
Minutes)
700
Inside the office
－
50
3,000
30W 20cm
40
11
10,000
Cloudy
12
3
100,000
Fine weather
2
1
Condition A : Time required for full charge
Condition B : Time required for steady operation
Condition C : Time to charge 1 day of power
5. Attention for the secondary battery unit
Please set the exclusive secondary battery unit.
(The secondary battery is Titanium-lithium-ion battery without any environmentally harmful substances.)
If the silver oxide battery is accidentally set and charged, there is a possibility of bat
ｔ
ery explosion.
6. Caution
When removing the setting stem, put the setting stem at normal position and push the ''setting lever''
by tweezers.
Cal.
VS15A
Attention-01
30/Nov./'17
Rev. : 02
When removing the setting stem, pay attention not to break or not to cut off the circuit block.
To prevent from the battery explosion, it is adopted safety structure not to charge the silver oxide
battery even if it is accidentally set.
When charging the watch, do not place it too close to fluorescent lamp or other light sources as the
watch temperature will become extremely high, causing damage to the parts inside the watch.
A fluorescent lamp
Sun light
B
(Approx.
Hours)
0.5
4
10
40
Earth spring
P. 9-01
