Chapter 1
KTD-405/KTD-405A overview
This chapter provides an explanation of the conventions in this document and an
overview of your keypad.
In this chapter:
Product overview
Operating
modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4