Viewing of image.
Use the following functions of the program for viewing an image:
1) Increase/decrease of scale. For this
purpose, press 
/
on the toolbar; and click on any
place of the frame. There will be a change of scale. Besides the image will be
centred on this place.
2) Increase/decrease of brightness is made by
buttons 
/
, or through adjustment of values of
a background and range. This is the 
button.
3) Mode of a negative is 
.