Hitachi FT01 User Manual page 22

NOTE
turn all the adjusting knobs
from steps (8) to (14) again.
・
turn all the adjusting knobs
adjustment from steps (8) to (14) again.
(15) Gently attach the cover so that it does not touch the adjusting knobs.
NOTE
may also come off when removing the cover.
(16) Remove the Adjusting bars from the screen.
(18)
(19)
FT-01
22