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To completely restart this longitudinal feedback when all is lost...
1) STOP the feedback, feedback ---- once stopped you probably have to manually bring beam back ...
2) verify the State Setpoints (and limits) are set to values you want - you can type them in under the Setpoints column.
---The L2 Chirp setpoint (in grey) should be set equal to the L2 Chirp readback at the lower right.
3) verify the Actuator Setpoints (and limits) are set to values you want - you can type them in under the Setpoints column whenever the FCOM column indicates it is OFF.
----You also may want to Update Act Refs at this point
4) ZERO ACTUATOR OFFSETS - button in top section; this sets all the LLRF timeslot offsets to zero for feedback stations L0B, L1S, L2 and L3
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7) enable each state one at a time starting with DL1 Energy - you can watch them start up on the Plots...
Detailed Help for Longitudinal Feedback
WARNING: The controls on this screen perform INVASIVE operations.
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