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ar345 Program Manual 1 9
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3
.8 Starting Data Collection
Data collection can be started by pressing the "Go"or"Go/Erase first" button in th
e
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ar345−Change Parameters window. It is a good idea to always let the plate clean fir
st
before actually starting the data collection.
In Multiple Data Sets mode, before actually sending the command to the scanner th
e
m
ar345−Run Parameters window will pop up. This window gives an overview ofthe current
ly
programmed data sets. The buttons in the lower part of the window come with differen
t
layouts:
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M
ode Left Center Right
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B
efore data "Go" "Change" "Close"
c
ollection really start reedit parameters Close window
D
uring data "Abort NOW" "Stop AFTER IMAGE" Close
c
ollection Aborts exposure Stops after current image Close window
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To start data collection you will have to press the "Go" button in this window. During dat
a
collection the mar345−Run Parameters window monitors the progress of the data collection
.
The window can be opened by selecting the "Progress" option in the "Windows" submen
u
(see 3.2.1). Active data sets are highlighted. Start−ϕ and Image will be updated. The numbe
r
of oscillations is given by the multiplier in the ∆ϕfield. If the scanner is idle, this windo
w
cannot be obtained.
3
.9 Stopping Data Collection
Data collection can be stopped by pressing the "Stop" button in the main window or b
y
pressing the "Stop"or"Abort" button in the mar345−Run Parameters window. If th
e
scanner is scanning or erasing the imaging plate, this cycle will always be finished. Pressin
g
"Abort" in this moment will be the same as pressing "Stop". Otherwise, "Abort" closes th
e
X−ray beam shutter immediately and stops ϕ or distance movement.