Comtech EF Data CDM-740 - Manual (Page 30)

CDM-740 Advanced Satellite Modem Revision 0
Introduction MN-CDM740
1–6
1.3.5 Physical Features
1.3.5.1 Front Panel
Figure 1-4. CDM-740 – Front Panel View
Figure 1-4 shows the front panel of the modem. The CDM-740 front panel features (from left):
eight LED indicators; a keypad; and a Vacuum Fluorescent Display (VFD):
• The LEDs indicate, in a summary fashion, the status of the unit.
• The user enters data via the keypad, which is comprised of six individual keyswitches
featuring a positive ‘click’ action (providing tactile feedback).
• Messages and command prompts are displayed on the VFD.
The function and behavior of the LED indicators, keypad, and VFD is described in detail in
Chapter 5. FRONT PANEL OPERATION.
LED
Indicators Keypad
Vacuum Fluorescent
Display (VFD)