LVS-7500 External System Installation and Quick Start Guide 3. Slide one L-Bracket into the channel on the vertical mounting bracket. Then, slide the second L- Bracket into the channel on the other vertical mounting bracket. Tighten the three screws using the 5/32” Allen key. Slide the L-Bracket into the channel on the mounting bracket and then tighten the screws using the 5/32” Allen key. 4. Position the two (2) vertical mounting brackets over the base plate screw openings. Vertical Mounting Brackets Base Plate screw openings LVS-7500 External System Installation and Quick Start Guide Page 29 of 45