Comtech EF Data SDM-2020 - Manual (Page 56)

SDM-2020 Satellite Modulator Revision 7
Front Panel Operation MN/SDM2020M.IOM
5-14
5.6.2.3 CONFIGURATION:INTERFACE:2047 PATTERN
2047 PATTERN
OFF
Use this menu to program the transmitter to ON or OFF to insert a 2047 pattern instead of
the normal transmit data.
Upon entry, the current status is displayed.
1 Press [ ↑] or [↓] to make the selection.
2 Press [ENTER] to execute the change.
5.6.2.4 CONFIGURATION:INTERFACE:TX SYNC SELECT
TX SYNC SELECT
EXT SYNC
Note: ASI/LVDS (ASI Mode) only can use CORR ON DAT.
Use this menu to program the transmitter for any one of the following methods of
synchronization:
EXT SYNC Available only on interfaces with an external SYNC signal.
CORR ON
DAT The external sync line is ignored. Data spec is detected by correlating the data
stream for the MPEG-2 sync pattern.
AUTO
DETECT Automatically selects the most reliable sync indicator. The external sync line is
utilized, if available. Otherwise, the correlate on data method is used for sync.
(Available only on interfaces with an external SYNC signal.)
Upon entry, the current TX Sync Select is displayed.
1 Press [ ↑] or [↓] to make the selection.
2 Press [ENTER] to execute the change.