© Copyright Qvis ®. All documentation rights reserved. 243 InstallationPlease note all frame and dimension illustrations provided in this chapter are for reference only,and actual product may vary.3.1 Device InstallationPlease refer to Figure 3-1 or Figure 3-2 for installation information according to the actual product. Pleasefollow the steps listed below to install the device. Please draw the installation holes in the installation surface and then mark three expansion boltsholes on the surface. Insert three bolts in the hole and secure firmly. Please line up the installation holes of the bottom of the pendant mount bracket to the installationholes on the surface. Then insert the three bolts to the holes of the bottom of the bracket. Finallyfasten the device onto the installation surface.Figure 3-1 Device installation 1