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HOW TO CHANGE OVER THE 12-HOUR
A N D T H E 2 4 - H O U R I N D I C AT I O N S
In the calendar or the alarm display, each press of Button
A changes over the time indication display from the 12-
hour to the 24-hour and vice versa.
• Changeover in the calendar display
12-hour
A
A
[Keeping Button B pressed]
• Changeover in the alarm display
12-hour
A
A
[Keeping Button C pressed]
*
When the "A" (AM)/"P" (PM) mark disappears, the
calendar or the alarm display is shown in the 24-hour
indication.
I L L U M I N AT I N G L I G H T
When EL button is pressed and released in the time/
calendar or stopwatch display, or in the alarm setting or
time/calendar setting function, the electroluminescent
light evenly illuminates the display for 4 seconds for easy
viewing in the dark.
E L b u t t o n
Notes:
1. The watch works with one battery. When the light
begins to lose its luminance, this is an indication that
the battery is depleted. We recommend that you
change the battery before the watch itself stops.
2. If the light is used continuously for a long time, the
battery life may be less than the specified period.
B AT T E RY C H A N G E
The miniature battery which powers your watch should
last as individually specified below. However, because
it is inserted at the factory, the actual life of the battery
once in your possession may be less than the specified
period. Be sure to replace the battery to prevent any
possible malfunction as soon as it runs down. To replace
the battery, we recommend taking the watch to a local
watch repair shop.
BATTERY
CAL. NO.
YK30
SONY CR2016, 1 piece
YK31
SONY CR1220, 1 piece
Note:
If the alarm is used for more than 30 seconds a
day and/or the illuminating light for more than
4 seconds a day, the battery life may be less
than the specified period.
24-hour
24-hour
BATTERY
LIFE
(Approx.)
2 years
2 years
Printed in Japan
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