Villa Rotograph EVO, Service Manual

Page: 80 / 223

SERVICE MANUAL
Maintenance and servicing
(Rev. 1) Rotograph EVO 7-9
13. With the film developed, using a ruler, evaluate if the X-ray beam is
horizontally centered (about 10 mm left and right white border
present). If it is not the case, with keys increase (4) and decrease (5)
set a speed value (ff - suggested value 01) and with keys (13) and
(12) turn the tubehead arm, increasing the displayed
offset value (± eeeee) if the left distance is lower than the right one or
viceversa; repeat the test from point 12.
14. When the right setting is reached press key "Test" (6) to exit
the menu item and if modifications have been performed the
following message will be displayed:
U P D A T E C H A N G E S ?
> 0 < = Y , T = N
15. Press key (7) to store the changes. While key (6) to
cancel them.
Write down the new value in the relevant box in Appendix A.