Bose 251 Owner's guide - Page 7

English Installing Your 251TM Speakers Installing the mounting brackets (cont.) Installing the brackets onto the exterior of a house (cont.) For mounting onto wood, install the supplied screws using a Phillips-head screwdriver (Figure 6A). For concrete use, first install the supplied plastic inserts. Then, using a Phillips-head screwdriver, install the screws (Figure 6B). Figures 6A and 6B Installing the hardware A. Wood B. Concrete A. ⁄3 inch (2.25 mm) 32 1 ⁄1 inch (2.25 mm) 2 B. ⁄1 inch (6.35 mm) 4 1 ⁄1 inch (2.25 mm) 2 Figure 7 251 environmental speaker mounted onto a deck railing or table ⁄3 inch (2.25 mm) 32 1 ⁄1 inch (2.25 mm) 2 ⁄1 inch (6.35 mm) 4 1 ⁄1 inch (2.25 mm) 2 Installing the brackets onto a deck railing or table The 251TM speakers should be mounted in a vertical position to achieve the best musical performance. Figure 7 illustrates how the mounted speaker will look once the installation is complete. To begin, mark four holes to indicate where you want to install the speaker bracket (Figure 8). Then, drill four starter holes using a ⁄3 inch (2,5 mm) drill bit (Figure 9). 32 Figure 8 Marking four holes on a deck railing or table Figure 9 Drilling four holes on a deck railing or table 7