B-Tech System X BT8375 Installation Manual & Parts List page 9

iii. Use item F1 to set the distance between items C1 on item B1 according to the screen size.
Once set, tighten item C3 with item C4.
F1
C1
Leave at least
a 5mm gap at
top of column
for item B2
ADJUSTMENT
KNOB
B1
C1
F1
C1
9