Casio IT-9000 - Manual (Page 50)

E-48
1. Hold down power key and C key while pushing down the reset switch for about 3
seconds with the tip of a stylus until the message shown below appears on the display.
To cancel the full reset operation, press L Program key.
R Program key
2. Press R Program key. This causes the message shown below to appear.
To cancel the full reset operation, press L Program key.
R Program key
3. Press R Program key again to perform the full reset.
The full reset starts and all data in the memory are erased, and the start-up screen
appears.
Data stored in the Flashdisk folder remain unaffected.
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