Using The Calculator For The First Time; Removing The Insulation Sheet And Resetting - Sharp EL-1750V Operation Manual

First, pull out the insulation sheet for the memory protection
battery (installed for retaining the date/time/tax rate information).
Reset the calculator to initialize the unit's state, then adjust the
date and time before using the calculator.
Removing the insulation sheet, and resetting
1. Pull out the insulation sheet for the memory protection
battery.
2. Press the RESET switch located on the back of the unit.
(See "RESETTING THE UNIT".)
* The clock starts, indicating the current date and time as
January 1, 2008, 12:00:00 a.m.
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