Tektronix PHASER 380, Service Manual

Page: 311 / 346

Service Manual 9-31
Checks and Adjustments
9
11. If a correction is needed to the right side of the print, scroll to the
Set Scale Factor B Right
item. Press the menu button. Lower the
displayed value to reduce overscan and eliminate dark lines. Increase
the displayed value to increase underscan and eliminate light lines.
12.
Perform the following procedure “Adjusting the horizontal image
interleave (skip)” on page 9-32.
When you exit the calibration menu, the new scale factor values are stored in
NVRAM located on the power control board.
Figure 9-18 Interpreting a print for scale factor
9661-164
Scale factor
too high Scale factor
correct