Casio Operation Guide 3231 Watch User Manual


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Operation Guide 3231
E-20
Illumination: EL (electro-luminescent) backlight
Battery:One lithium battery (Type: CR2016)
Approximately 2 years on type CR2016 (Assuming 2 seconds light operation
and 20 seconds alarm operation per day)
Note: Frequent use of the backlight shortens the battery life noted above.
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