G-Shock Watch Manuals in PDF for all Models Aug 31, 2017Official Casio G-Shock Watch user instruction Manuals in PDF format. You can also choose search by module number. We will easily help you to get the G-Shock Manual you need. CASIO G-SHOCK USER MANUAL Pdf Download. Page 3 Press A to turn toggle alarm on and off 2.2 Stakeholders The users of the Casio G-Shock are everyday people who wish to keep track of time. The current interface causes frustration and headaches as most features, however elementary, require help from the instruction manual.