User manual

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Superior Broadcast
ATSC 3000 Exciter User Manual
Superior Broadcast ATSC 3000 Exciter
ATS C 3000 Exciter User Guide
Version 2.0 Page 13 of 13
10/23/2012
dBm to 0 dBm, and the recommended range is from -15 dBm to -5 dBm.
 Feedback Signal Connection Error
 Alarm message
 LCD: FEEDBACK LINK ERROR! Press Any key to Esc
 LED_ SysErr: Flashing (during the ADPC process)
 Cause: Feedback signal connection is interrupted, or signal level changes dramatically
during the ADPC process.
 Solution: Cancel the ADPC function manually and then check the connection and the
level of the feedback signal. Start the ADPC function again after the problem is
resolved.
 ADPC Error
 Alarm message
 LCD: ADPC ERROR! Press Any key to Esc
 LED_ SysErr: ON (during ADPC process)
 Cause: The ADPC process goes wrong.
 Solution: Cancel the ADPC function manually and then check the product status. Start
the ADPC function again after the problem is resolved.
5.3 Other Problems
 Temperature
 Alarm message
 LCD: TEMP HIGH
 LED_ SysErr: ON
 Cause: The Temperature of the exciter is too high.
 Solution: Cool the exciter.
 No RF output
 Alarm message
 LCD: None
 LED_ RFON: Off
 Cause: RF output can be turned off via front panel or serial port or WEB interface. Or if
the exciter has a breakdown, there would be no RF output too.
 Solution: Check the setting of "RF" via front panel, serial port or WEB interface. Restart
the exciter if necessary. If the problem still exists, contact the manufacturer for further
solution.
Note:
If "Slow ON/OFF" function is turned on (user configurable in advanced settings), during
power changing process, LED_RFON may be flashing.