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Chapter 5. FRONT PANEL
OPERATION
5.1
Introduction
Vacuum Fluorescent
Unit A LED
Unit B LED
Power
Display (VFD)
Keypad
Indicators
Indicators
Switch
Figure 5-1. MBT-5003 Front Panel (MBT-5003-XUR shown)
Figure 5-1 identifies the key operational features of the MBT-5003 L-Band Up/Down Converter
System front panel. The front panel features (from left) two sets of four Light-Emitting Diode
(LED) indicators, a Vacuum Fluorescent Display (VFD), a six-button keypad, and the prime
power switch.
The function and behavior of the LED indicators, keypad, and VFD is described in detail in this
chapter. The keypad comprises six individual keyswitches. The user can fully control and monitor
the operation of the MBT-5000 from the front panel using the keypad and display. The user enters
data via the keypad, and messages are displayed on the VFD. The LEDs indicate, in a summary
fashion, the status of the unit.
5–1
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