Comtech EF Data DMD-2050E - Manual (Page 114)

DMD2050E Universal Satellite Modem User Interfaces
MN-DMD2050E Revision 2 4–2
Table 4-1. Front Panel Functions
Area Function
VFD Shows operating parameters and configuration data
Arrow Keys Controls the up, down, right and left cursor position on the display
Numeric Keys Allows entry of data
LED Lights
Shows the status of the unit, see section 4.2.4.
4.2.1 VFD - Vacuum Fluorescent Display
The VFD is a 2-line by 16-character vacuum fluorescent display. The light dims automatically
after the VFD has been inactive for some time.
The VFD shows different data in two areas. The upper area shows the parameter that is being
monitored, such as Frequency or Data Rate. The lower area shows the value of the monitored
parameter.
4.2.2 Arrow Keys
Use the arrow keys (), to
• Move through menus and parameters
• Move the cursor on the display
• Increase or decrease values
• Change parameters
4.2.3 Numeric Keys
Use the Numeric, Clear and Enter keys to enter data into the unit.
Table 4-2. Front Panel Key Functions
Parameter Type 0 – 9     Clear &  Clear & 
Fixed Point
Decimal
Change Digit
Change ±
(If Signed)
Change ±
(If Signed)
Move
left
Move
right
N/A N/A
Unsigned
Hexadecimal
Change Digit Increase Digit Decrease Digit
Move
left
Move
right
N/A N/A
Enumerated N/A Last Value Next Value N/A N/A N/A N/A
Date/ Time Change Digit N/A N/A
Move
left
Move
right
N/A N/A