DMD20 Universal Satellite Modem
EXT REF ACT
EXT REF LOCK
CLEAR LATCHED ((ENTER)) Allows the user to reset the latched alarms.
BACKWARD ALARMS
Note: For the following alarms: RCV = YES indicates a received backward alarm.
FRC allows the user to force the alarm locally.
IDR BACKWARD 1
IDR BACKWARD 2
IDR BACKWARD 3
IDR BACKWARD 4
MAP SUMMARY
Note: For the following alarms: XMIT = YES indicates that the modem is currently
transmitting the corresponding backward alarm.
IDR BACKWARD 1
IDR BACKWARD 2
IDR BACKWARD 3
IDR BACKWARD 4
4.3.8 System Menu Options and Parameters
DATE (MM/DD/YY)
TIME {HH:MM:SS}
TM103 – Rev. 1.1
Backward alarms are alarms that are fed back to or
received from the other end of the satellite link. In IBS
Mode (including Drop & Insert), Backward Alarm 1 is the
only one used. It would be received if the distant end
demod drops lock.
{RCV = NO/YES, FRC = NO/YES}
{RCV = NO/YES, FRC = NO/YES}
{RCV = NO/YES, FRC = NO/YES}
{RCV = NO/YES, FRC = NO/YES}
{NONE, BK 1; BK 2; BK 1,2; BK 3; BK 1,3; BK 2,3;
BK 1,2,3; BK 4; BK 1,4; BK 2,4; BK 1,2,4; BK 3,4;
BK 1,3,4; BK 2,3,4; BK 1,2,3,4}
TBD
{XMT = NO/YES}
{XMT = NO/YES}
{XMT = NO/YES}
{XMT = NO/YES}
Allows the user to enter the current date.
Allows the user to enter the current time.
User Interfaces
4-21