I need to know how use all function[casio edifice efa-114

Hi,you need to look at the user manual..
just in case ,if you need soft version of the user manual pls visit the URL below..

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CASIO Watch User Manual Archives

http://world.casio.com/wat/download/en/manual/
Use this page to download a copy of CASIO watch manuals in PDF format.
To download a PDF file, enter the four-digit (or three-digit) module number marked on the back cover of your watch.