Hp 49g Graphing Calculator Manuale Utente Pagina 220

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Calculator is not responding
If the HP 49G freezes and will not respond when you press (CMeD. its
memoiy may have become corrupted. There are two ways to correct this:
1. halting the system
2. resetting the memory.
If your calculator has frozen, always try to fix the problem by
halting the system. Only reset the memory if halting the system
has not worked. Resetting the memory returns the calculator to
its default state. All stored information, except for that stored in
flash memory, will be lost.
Halting the system
A system halt:
® cancels all system operations
® clears the history and the stack
® cancels all executing programs and initializes any local variables used
in them
® turns off the user keyboard
® makes HOME the current directory.
Halting the system from the keyboard
1. Press and hold (ON).
2. Press (F3)-
3. Release both keys.
If the calculator is not responding to the keyboard, tiy the method
outlined in the following section.
Page D-4 TroubLehooting
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