Xante ScreenWriter 3, Manual

Page: 124 / 288

4-38 PC Setup bb __________________________________________
Also, when possible, calibrate from the final output.
For example when calibrating for plates, take the plate
to press and print. Then, measure the output from the
press.
a. Select Negative Film to calibrate the printer if you are
calibrating for negative output from your printer.
b. Select Emulsion side down if you want to print a mirror
image.
Note: The printed calibration page will still look like a
positive, but the patch (box) values will be
reversed.
c. Select the custom Gamma Curve to update from the
Update Transfer Curve list. This curve selection
automatically updates the LPI option to match the lpi
listed for the selected curve. To select a different lpi
setting, use the LPI option and scroll to the desired
setting.
Note: If you select a custom lpi for a listed curve, the
lpi listed in front of the curve’s name in the
Update Transfer Curve: box does not change to
match the new lpi. In this case, you need to keep
a record of the new lpi setting for that gamma
curve.
d. Select the resolution which you will use to print the final
output in the printer front panel MISC:DPI menu.
e. Click Print Calibration Page (fig. 4.25). The calibration
page shows the printer’s performance using no gamma
curve correction (fig. 4.26).
Note: Print only one calibration page at the beginning of the
calibration process. Printing the page again later in the
process resets the printer, so you lose any linearization you
have already done.