Eschenbach Optik iFlex - Manual (Page 13)

iFlex User Manual Rev 1.0 English
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The Mode button
is used to select the
desired image mode. Repeated pressing of the
mode button will switch from picture mode to
positive to negative and back to picture mode.
Select the reading mode you find easiest to use.
If you allow a 2 to 3 second interval between
presses of the mode button, iFlex will switch
from your current reading mode to picture mode
and back to your last used reading mode. This
sounds complicated, but in normal use, you will
generally switch from your chosen reading mode
to picture mode to view an image, then you will
switch back to reading mode to continue reading.
5-5. Brightness Control
You can press either side of the brightness
control at any time to adjust the image. You
may find that details in some photographs will
appear clearer at different brightness settings.
In reading mode, lowering the brightness control
will bring in the grain of the paper if desired.