B-Tech System X BT8375 Installation Manual & Parts List page 16

7a
Attach Interface Arms to Screen (BT8390-VESA400MAF Arms)
Attach items G1 & G2 to the back of the screens using items A-F.
SCREEN FIXING KIT
A-F
J
SCREEN
Using Interface Adaptor Arms
G2
16
G2
H2
G1
NOTE: Portrait mounting shown.
For landscape mounting attach adaptor arms horizontally
G1
Use spacers for screens with recessed fixings
SCREEN
FIXING KIT
H1
G H I
SCREEN
SCREEN