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User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem
4-2 TM051 – Rev. 5.8
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 2 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
Type
0 – 9
↑ ↓ ← →
‘Clear’ &
←
‘Clear’ &
→
Fixed Point
Decimal
Changes Digit
Toggles ±
(If Signed)
Toggles ±
(If Signed)
Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
N/A N/A
Unsigned
Hexadecimal
Changes Digit
Increments
Digit Value
Decrements
Digit Value
Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
N/A N/A
Enumerated
N/A Previous
Value in
List
Next
Value in
List
N/A N/A N/A N/A
Date/ Time Changes Digit
N/A N/A Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
N/A N/A
IP Address Changes Digit
Increments
Digit Value
Decrements
Digit Value
Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
N/A N/A
Text Strings
Changes
Character
Increments
Character
Value
Decrements
Character
Value
Moves
Cursor 1
Position
Left
Moves
Cursor 1
Position
Right
Clears to
Left of
Cursor
Inclusive
Clears to
Right of
Cursor
Inclusive