A mounting system for attaching an audio/visual device to a surface via a surface mounting member. The mounting system includes a support attachment bracket configured to operatively connect to the surface mounting member, a display mounting bracket configured to operatively connect to the audio/visual device, an adjustment mechanism configured to adjust a position of the display mounting bracket relative to the support attachment bracket between a collapsed position and a tilted position, and a locking feature configured to selectively engage a post for retaining the mounting system in the collapsed position. The locking feature is disposed on one of the support attachment bracket, the display mounting bracket, and the adjustment mechanism. The post is disposed on another of the support attachment bracket, the display mounting bracket, and the adjustment mechanism.