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In
cluding
these two speeds,
the
BELRAY
II
Model
097
x-ray can provide 16 different film
spee
ds (F.00 ~ F.15) and any two of them can be programmed for easy selection. If doctor
uses a different film speed, or prefers darker (or lighter) radiographs, the new speed can be
programmed as follows. Higher speed settings make films darker. If film speed is
increased by 1, exposure time becomes 25 % longer.
1. Keep the
4 mA
selection switch and
7
mA selection switch depressed simultaneously
for
more tha
n 3 seconds. Release the switches if the ready light starts to flash.