TAG MIL-BOOK 200 - Manual (Page 106)

Caring for the Computer 7-3
Using an Anti-Virus Strategy
New viruses are always being developed nowadays and they are attacking
computers even more easily with emails so commonly used worldwide.
The Security feature of the SCU program protects the boot sector of the
hard disk. To enable the function, see “Security Menu” in Chapter 5 for
instructions.
You can also install a virus-detecting program to monitor potential
viruses that could damage your files.