Calypso Watches IKM635 Manuel D'instruction page 16

9. HOW TO SET SECOND TIME ZONE
NORMAL TIME SECOND TIME ZONE
SET HOURS
+1 HOUR
SET MINUTES
30 MINUTES
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10. HOW TO USE EL LIGHT
NOTE:
1) The backlight of the watch employs an electro-luminescent (EL) light, watch tends
to lose illuminating power after very long use.
2) The illumination provided by backlight may be hard to see when viewed under
direct sunlight.
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