5-20 HP IBASIC Supplement
Developing Programs
Using UTILITIES
is used to secure lines of your program. Secured lines cannot be
listed, edited, or displayed. After you press this key you will see the
following:
• Start Line # (softkey 1)
• End Line # (softkey 2)
• Perform Secure (softkey 4)
After you have set the start and stop line numbers, execute the
operation.
CAUTION Do not secure the only copy of a program. Once you have secured your
program lines, there is no way to remove the security. Therefore, do not
secure the only copy of your program. Make a copy of your original
program, the copy, and keep the original in a safe place. This
prevents unauthorized users from listing your program.