Sharp EL-5230 - Manual (Page 34)

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Chapter 2: General Information
Resetting the calculator
If you wish to clear all memories, variables, files and data, or if none of the
keys (including j) will function, press the RESET switch located on the
back of the calculator.
In rare cases, all the keys may cease to function if the calculator is subjected
to strong electrical noise or heavy shock during use. Follow the instructions
below to reset the calculator.
Caution:
• The RESET operation will erase all data stored in memory and
restore the calculator's default setting.
1. Press the RESET switch located on the
back of the calculator with the tip of a ball-
point pen or similar object. Do not use an
object with a breakable or sharp tip.
• A display appears asking you to confirm
that you really want to reset the calculator.
2. Press y.
• All memories, variables, files and data are
cleared.
• The display goes back to the initial display in
the NORMAL mode.
• The calculator will revert to the very first
settings that were made when you started
to use the calculator for the first time.
Or, to cancel the operation, press e.
Note:
• When corruption of data occurs, the reset procedure may automati-
cally be initiated upon pressing the RESET switch.
• Pressing @ P and 3 y can also clear all memories,
variables, files and data as described above.
zALL DATA CL?z
z YES¬[DEL] z
z NO¬[ENTER]z
z ALL DATA z
z CLEARED! z
z z
NORMAL MODE
0.