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EN-5
If the update fails and the calculator freezes with “Receiving...” on the display, press the
RESTART button. This should cause the following message to appear on the calculator
display, “OS ERROR Please update OS.” Perform the update again.
What to do if the cable becomes unplugged
during updating
The message below will appear if the calculator’s system memory becomes corrupted.
Leave the message on the display and perform the procedure below.
1. Perform the procedure under “To update the calculator operating system”. (Calculator operation
is not required.)
2. Click [OK].
3. Perform operations as instructed by the text that appears on the screen.
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