diode link threshold 0xca -> 0xb6
                           0x11 -> 0x2c 

00.20 R31
      1mm + 1.4mm Al degrader
00.42 R31 ends

      R32
      -1mm Al degrader
00.54 R32 ends

Data indicates changes to diode link threshold is 'switching off' decay p+n strip events,
n+n strips appear to be less affected

01.00 R33
      diode link threshold 0xca -> 0xbf
                           0x11 -> 0x23 

      ASIC parameters saved to /MIDAS/DB/EXPERIMENTS/AIDA/2015Apr30-diode-mod2

Ignore R34 & R35

09.40 Fast LEC/MEC discriminators disabled:
     Mask bits 31->0, 63->32 *not* 0->31 and 32->63 as implied by Disc Controls window

         Chan                 Mask
                             31->0      63->32
nnaida1                        0x0   0x4000000
nnaida2  ch 22, 26       0x4400001   0x8000000
nnaida6  ch  1                 0x2         0x0
nnaida9  ch 45 "               0x0      0x2000
nnaida10 ch 31 "        0x82000000  0x80000000
nnaida11 ch 55 "               0x0    0x800000
nnaida13                       0x0   0x4000000
nnaida16 ch 55 "               0x0    0x800000

Local Controls -> Timing O/P Control Register 0xc -> 0xe (OR64) https://elog.ph.ed.ac.uk/AIDA/79

09.48 R36
      BigRIPS 110Zr setting
      Degrader ?
10.43 R36 ends
      Beam off for ion source re-tune

10.50 nnaida6 good events c. 250k, c. 20Hz PAUSE/RESUME
      change slow comparator 0x14 -> 0x20
      rate/channel ~5kHz -> ~1kHz

      ASIC parameters saved to /MIDAS/DB/EXPERIMENTS/AIDA/2015Apr30-diode-mod2

12.00 VFEP updates 
      DataAcquisitionControl.tcl and sys.tcl

      Fast comparator masks are now saved
      MACB trigger mode default 0xe (OR64) and can be saved as a setting

      Stop/Go logic altered so that electronics data generation is the last to be GOED and first to be STOPPED 

12.10 Beam back

12.13 R38