5–1
Chapter 5. FRONT PANEL
OPERATION
5.1 Introduction
Feature Description Function
The LEDs indicate, in a summary fashion, the status of the modem.
2 Keypad
The keypad comprises six individual keyswitches. The keys have a
positive ‘click’ action that provides tactile feedback. Enter data via
the k eypad. D ata, pr ompts, and m essages ar e di splayed on t he
VFD.
5.1.2
3
Vacuum
Fluorescent
Display (VFD)
The VFD i s an ac tive di splay s howing t wo l ines of 40 characters
each. It produces a blue light with adjustable brightness. Nested
menus (
Figure 5-2) display all available options and prompt you to
carry out a required action.
5.1.3
Figure 5-1. CDM-625 Front Panel Features
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