HP HP-28S - Memory Reset; System Halt

System Halt
To halt a program that doesn't respond to ION I, execute System Halt
as follows:
1. Press and hold I ON I.
2. Press~.
3. Release I ON I.
System Halt has the following effects:
• All the effects of Attention.
• Clears all suspended programs and local variables.
• Clears the stack.
• Clears items saved for recovery (CMD, UNDO, LAST).
• Clears the custom menu.
• Selects HOME as the current directory.
• Activates the cursor menu.
• Selects Trace Printing Off mode.
Memory Reset
To reset all memory:
1. Press and hold I ON I.
2. Press and hold ~ and [E].
3.
Release ~ and [E].
4. Release I ON I.
Memory Reset has the following effects:
• All the effects of Attention and System Halt.
• Purges all user variables and directories.
• Resets all user flags to their default values.
• Beeps and displays Memot" y Los t in display line 1.
25: System Operations 217