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User Interfaces
4.1.1 LCD Front Panel Display
The front panel display is a 2 line by 16-character LCD display. The display is lighted and the
brightness can be set to increase when the front panel is currently in use.
The LCD display automatically dims after a period of inactivity. The display has two distinct areas
showing current information. The upper area shows the current parameter being monitored, such
as 'Frequency' or 'Data Rate'. The lower line shows the current value of that parameter. The
LCD display is a single entry window into the large matrix of parameters that can be monitored
and set from the Front Panel.
4.1.2 Cursor Control Arrow Keys
A set of 'Arrow' or 'Cursor' keys (↑), (↓), (→), (←), is used to navigate the parameter currently
being monitored or controlled. Table 4-2 describes the functions available at the Front Panel.
4.1.3 Numeric Keypad
A 10-Key Numeric Keypad with two additional keys for the 'Enter' and 'Clear' function allows the
entry of data into the system. Table 4-2 describes the functions available at the Front Panel.
Table 4-2. Edit Mode Key Functions (Front Panel Only)
Parameter
0 – 9
Type
Fixed Point
Changes Digit Toggles ±
Decimal
Unsigned
Changes Digit Increments
Hexadecimal
Enumerated
N/A
Date/ Time Changes Digit
IP Address Changes Digit Increments
Text Strings
Changes
Character
4-2
↑
↓
Toggles ±
(If Signed)
(If Signed)
Decrements
Digit Value
Digit Value
Previous
Next
Value in
Value in
List
List
N/A
N/A
Decrements
Digit Value
Digit Value
Increments
Decrements
Character
Character
Value
Value
DMD50 Universal Satellite Modem
←
→
Moves
Moves
Cursor 1
Cursor 1
Position
Position
Left
Right
Moves
Moves
Cursor 1
Cursor 1
Position
Position
Left
Right
N/A
N/A
Moves
Moves
Cursor 1
Cursor 1
Position
Position
Left
Right
Moves
Moves
Cursor 1
Cursor 1
Position
Position
Left
Right
Moves
Moves
Cursor 1
Cursor 1
Position
Position
Left
Right
'Clear' &
'Clear' &
←
→
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Clears to
Clears to
Left of
Right of
Cursor
Cursor
Inclusive
Inclusive
TM118 – Rev. 1.1
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