Calypso Watches DIGITAL IKM 637 Instruction Manual page 10

3. HOW TO DISPLAY MONTH, DATE
NORMAL TIME MONTH DATE
12/24 HOUR FORMAT DISPLAY
HOLD
NORMAL TIME 12 HOUR FORMAT
HOLD HOLD
DATE MONTH MONTH DATE
1)
HOLD "D" PRESS "B" SELECT 12
OR 24 HOUR FORMAT.
2)
12 HOUR FORMAT: "P"=PM
HOLD
"A"=AM.
IN 24 HOUR FORMAT NO "A" OR
"P" MARK APPEARS.
24 HOUR FORMAT
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4. 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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