L-Acoustics 108P, Operator'S Manual

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L-ACOUSTICS P Series Manual V2.1 7/12/2007
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4.4 ETR15P U-BRACKET ATTACHMENT
The ETR15P is an optional U-Bracket accessory for wall mounting (vertical orientation only – fixed
arm on the bottom / pivoting arm on top) and ceiling or scaffold mounting (horizontal orientation
only). Three mount holes are available on the center section of the ETR15P for bracket mounting and
an M8 threaded insert (8 mm diameter) provided on the rear of the SB15P for safety attachment.
Note: When using ETR15P in the vertical orientation, always install with the fixed arm on the bottom and
the pivoting arm on top.
(1) ETR15P U-bracket
(2) Release pivoting arm locking pin
(3) ETR15P - ready for attachment
(4) SB15P pole mount socket mates with U-bracket stud
(5) Mount fixed arm first
(6) Rotate the pivoting arm into position
(7) Rotate the SB15P to the desired angle and secure using the tilt
adjustment knob (pivoting arm locking pin automatically secures the U-
bracket as the adjustment knob is tightened)
(8) The recessed M8 insert (8 mm diameter) is available for attachment
of an I-Bolt plus safety steel
Figure 23: ETR15P U-bracket installation procedure