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ar345 Program Manual 2 0
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3
.10 Single Scan
A single scan can be done by pressing the "Scan" button in the main window. Th
e
m
ar345−Scan window pops up. The directory, image root, image number and scan mod
e
can be selected. The output format always is "mar345". Press "Scan" to start the scan
A
scan is always followed by an erase. Instead of a scan one can do an erase cycle. "Chang
e
Mode" only drives the scanning head to the desired position.
3
.11 Shutter Timer
The X−ray beam shutter can be operated manually, although normally there should not b
e
any requirement to do this. When operating the shutter manually it can be useful to know ho
w
long time the shutter is open. When opening the mar345−Shutter Timer window (shortcu
t:
F
4) the program starts counting how long time the shutter is open. One may enter a closin
g
time (in seconds). When this time period has elapsed, the shutter closes automatically.