L-Acoustics 108P, Operator'S Manual

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L-ACOUSTICS P Series Manual V2.1 7/12/2007
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4.2 ETR112XT U-BRACKET ATTACHMENT
The ETR112XT is an optional U-Bracket accessory for wall (vertical orientation) and ceiling or
scaffold (horizontal orientation) mounting of the 112P. Three mount holes are available on the center
section of the ETR112XT for bracket mounting. Pole mount adapter plates on the 112P in
conjunction with angle selection locking pins on the ETR112XT allow for 10 degree angular
resolution.
Note: When using ETR112XT in the vertical orientation, always install with the fixed arm on the bottom
and the pivoting arm on top.
(1) ETR112XT U-bracket
(2) Closeup of angle selection locking pin
(3) Remove locking pins on both U-bracket arms
(4) Release pivoting arm locking pin
(5) ETR112XT - ready for attachment
(6) 112P pole mount sockets mate with U-bracket studs
(mount fixed arm first)
(7) Rotate the pivoting arm into position – the pivoting arm locking pin
automatically secures the U-bracket
(8) Rotate the loudspeaker into position and select the desired angle.
Secure using the locking pins on both fixed and pivoting arms