! L1=L2=4m, A1=30x20, A2=12, large b/s
MASK/CLEAR
MASK/CLEAR/TIME
L/WAV 1.75 16.5 0.05/LOG
! adjusted to suit weak scatter
!L/Q 0.0045,0.001,0.0205,-.05,0.25,-.08,0.6
!L/Q 0.005,0.001,0.008,-0.08,1.0
! strong scatter
L/Q 0.004 1.0 0.08/log
L/QXY 0 0.15 .002/lin
! note increase lower time limit here
!BACK/MON/TIMES 85000 98000
BACK/M2 85000 98000
!check BACK/M4
DET/REAR
GRAVITY/ON
!
mask/rear h0
mask/rear h190>h191
mask/rear v0
mask/rear v191
mask/front h0
mask/front h190>h191
mask/front v0
mask/front v191
! dead wire near top
mask/front h156>h159
! spot on top b/s when hit meniscus ???
!mask h72>h75+v117>v122
!
mask/time 13000 15250
!mask/time 5000 19200
PRINT masking off beamstop arm 12mm wide at 19 degrees
!PRINT not masking beam stop arm, M4 out
mask/line 13 19 
!
L/R 47 -1 3
!L/SP 1 36864
!MON/LENGTH=17.937 2
!
! use this for rear
!MON/DIRECT=DIRECT_16246_4m_Rear_17Dec12.dat
! use for front, this command has to come second!
!MON/DIRECT/FRONT=DIRECT_6958_4m_rescaled_09Mar12.dat
MON/TRANS/SPECTRUM=2/INTERPOLATE
TRANS/TRANSPEC=4/SHIFT=-70
!TRANS/TRANSPEC=3
!  set monitor 2 to interpolate
MON/SPECTRUM=2/INTERPOLATE
FIT/TRANS/LOG 1.75 16.5
!PRINT FIT/TRANS/OFF
!FIT/TRANS/OFF
!
! 19/03/13 gdw20 17511 8mm beam
set centre 173.0 -167.1
!
! 19/03/13 gdw20 17511 8mm beam, 17513 8mm DTAB, 17514 12mm DTAB
set scales 0.1925 1.0 1.0 1.0 1.0
! correction to actual sample position, measured cryo at 320mm before shutter, notionally 81mm before shutter
! DLS set up 81 - 132 =-34
! normal changer offset +53
SAMPLE/OFFSET 53
! Correction to SANS2D encoders in mm 
DET/CORR REAR X -16.0
! note rear Z was 58, but needs change all masks 9/11 on to 47
DET/CORR REAR Z 47.0
! 7/8/12 front at 2.6m is at slightly too high Q values, was X -44
DET/CORR FRONT X -24.0
DET/CORR FRONT Y -20.0
DET/CORR FRONT Z 47.0
DET/CORR FRONT ROT 0.0
! (cf 115D Perkins)  80 is just inside window, 386 instead of DT's 306, but seems to work? , 48 should be central grid
DET/CORR FRONT RADIUS 48.0
DET/CORR FRONT SIDE 0.0
!
!! 19/03/13 MASK125O 4m A1=30x20,S5=20mm,S6=large,A2=12 Brooks