Comtech EF Data SDM-2020 User Manual
Page 85
SDM-2020 Satellite Modulator
Revision 7
Front Panel Operation
MN/SDM2020M.IOM
5-43
REMOTE TYPE
RS-485 (4-WIRE)
Use this display to select a remote interface type.
Choices include:
RS-485
(4-wire)
RS-485
(2-wire)
RS-232
1
Press [
↑] or [↓] to select an item.
2
Press <ENTER> to execute the change.
YEAR DISPLAY
2 – DIGIT
Use this menu to set the year display to 2 or 4 digits.
1
Press [
↑] or [↓] to select an item.
2
Press <ENTER> to execute the change.
TEST MODE STATUS
– +– – – – –
The following modulator test points are listed in this Test Mode Status window, and will
display a “+” when a test mode is active:
• RF OUTPUT
• CARRIER MODE
• MOD FAULTS
• INTF FAULTS
• 2047 PATTERN
• IMPULSE TEST
• INTERFACE LOOPBACK
To view the test modes,
1
Press <ENTER>.
2
Press [
←] or [→] to move through the list of test modes.