6.3 Rigging the SB15P enclosure with the ETR15P
6.3.1 Assembling
The ETR15P is secured to the SB15P enclosure in the following way:
1. Remove the recessed set screw located on the bottom face of the enclosure.
Note: Put the screw in a safe place.
Figure 13: Recessed set screw
2. Pull on the U-bracket’s locking pin and open the pivoting arm.
Figure 14: Opening the pivoting arm
Recessed set
scre