Automatic Power-Off Function (A.p.o.); “Memory Safe Guard” Function - Sharp COMPET QS-2130 Operation Manual

How to replace:
"MEMORY SAFE GUARD" function — The contents of the memory are retained even when the
calculator is turned off. A value stored in memory will thus remain until it is changed or until the
backup battery runs out.

Automatic Power-Off function (A.P.O.):

This calculator is automatically turned off approximately 7 minutes after the last key operation to
save the battery.
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