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BenQ SNS21 Installation Manual page 13

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2. Installing mounting brackets and spring screws.
1
Now you know the distance from the floor to the screen bottom from the previous step. Follow the
illustration below to line up the mounting brackets (T) and spring screws (U). Mark where you want to
drill the screw holes.
• The supplied M5 x 40 screws (V) are for screen mounting on a solid concrete wall only. Make sure
you have the right screwdriver and screws for your wall material before drilling.
Note
• You might need a stud finder (purchased separately) to help locate the proper screw holes for mount-
ing.
19.7" (50 cm)
18.7" (47.5 cm)
42.9"
(109 cm)
18.9"
(48 cm)
2
V
3
V
87.2" (221.4 cm)
47.2" (121 cm)
2
T
3
U
3.5" (9 cm)
Floor
Use a level to ensure that the screw holes for
mounting brackets (T) are aligned horizontally
before drilling.
Each mounting bracket (T) should be fastened
by two M5 x 40 screws (V). If you might need to
adjust the screen height, fix the screws to the
V
center of slots as illustrated.
Use a level to ensure that the screw holes for
spring screws (U) are aligned horizontally before
drilling.
Each spring screw (U) should be fastened by two
M5 x 40 screws (V) screws. If you might need to
V
adjust the height, fix the screws to the center of
slots as illustrated.
13
2.6"
(6.5 cm)
Wall
2
T
100"
projection
screen
3
U

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