B-Tech BT8341 Installation Manual & Parts List page 13

ii. Height Adjustment (+/-20mm)
Ensure the screen is level and parallel to floor using the
height adjustment hand wheels on the interface arms.
HEIGHT ADJUSTMENT HAND WHEEL
Compatible with a 6mm hex key (not supplied)
Height adjustment guides
to help with accurate
screen alignment
Do not adjust height
past the min and
max guide lines
LEVEL
SCREEN
FLOOR
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