The shift crew checked the heartbeat of HRS-R magnet IOC (iocha16) and the NMR system. Both appeared to be up and running. The heartbeat was updating and the NMR allowed for the change of units (Tesla/MHz). Why than the problem to get the information into the start of run file?
We decided to reboot the IOC first, than followed by a reboot of the NMR; details at
http://hallaweb.jlab.org/experiment/E03-104/wiki/index.php/How_To_Page
The NMR came back with polarity set to POS, after setting it to NEG the system found a lock.
The dipole field was about 1% off from it's starting value. We turned the NMR regulator ON
(just in case it wasn't already) and reentered the p0 set value. The magnet current
automatically changed towards the right value; in that transition, however, the NMR system
lost it's lock. After several (but patiently executed attempts) we could recover from here
setting first the NMR to MAN and turning search ON until the lock was found. Going back to
AUTO, reentering p0, brought the dipole back.
A copy of this log entry has been emailed to: fansler@jlab.org, segal@jlab.org, gomez@jlab.org, stevensm@jlab.org, folts@jlab.org