Comtech EF Data DM240XR - Manual (Page 25)

DM240XR High-Speed Digital Modulator User Interfaces
MN-DM240XR– Revision 13 4–3
4.2.4 Parameter Setup
The four arrow keys (
↑), (↓), (→), (←), to the right of the LCD display are used to navigate the
menu tree and select the parameter to be set. After arriving at a parameter that needs to be
modified, depress . The first space of the modifiable parameter highlights (blinks) and
is ready for a new parameter to be entered. After entering the new parameter using the keypad
(Refer to Figure 4-3), depress to lock in the new parameter. If a change needs to be
made prior to pressing , depress and the display defaults back to the
original parameter. Depress again and re-enter the new parameters followed by
.
Following a valid input, the DM240XR will place the new setting into the nonvolatile SRAM
making it available immediately and available the next time the unit is powered-up.
Table 4-3.
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