User's Manual

Screen Service SDT ARK 1 ECHO Operations
Jan, 2012 v 1.ATSC_FCC Page 3 - 87
Event
Description
PS Restart
When one of the following alarms is risen, this event is reported,
amplifier Is restarted and the list of events shows the number of
attempts (from 1 up to 4):
 ALARM_UPCV_OSC_LOCK
 ALARM_UPC_VOLTAGE
 ALARM_UPC_CURRENT
 ALARM_UPC_ABS_POWER
Only in SDTX 200 version.
PS OFF
After the fourth time the amplifier has been restarted, if an alarm
condition causing a PS Restart event occurs, PS OFF event is
reported and the amplifier is turned off
When this event is reported amplifier can be turned on only by OPTO
2 (only in SDTX 200 version).
Restart Amp from OPTO
This event is reported when the retry command is given by the Retry
Alarm OPTO (OPTO 2).
Only in SDTX 200 version.
PS ON
This event is reported when the amplifier is restarted through the
Retry Alarm OPTO (OPTO 2).
FPGA Re-config
When Signal 120 MHz Lock alarm is risen the FPGA is re-configured
and this event is reported.
Events List cleared
This event is reported when the events list is cleared.