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SET MOTOR TO ZERO (optional)
Loosen
Tighten
Loosen
Down
Run to
Release
lowest
'down' button
position
Tighten
SMS PRESENCE W/F MOTOR & PRESENCE W/F MOTOR VC
Before setting
motor to zero,
loosen screws (4x)
as shown
Release
6-7 sec
After setting
motor to zero,
tighten screws (4x)
as shown
25
=
Set
height
Hold
motor
to zero
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