Let's start in the front of the Optoma HD161x. The lens is mounted off center - to the right if you are facing the projector. The large exhaust vent is on the left side. Note please that this Optoma has not done a great job of preventing light from leaking out that exhaust vent. If you have white walls, you will likely see some of that light hitting the wall forward and to the right of the projector. It's not a huge amount, but it is enough to wish for better. In between the lens and the exhaust is a round shiny and dark IR (infra-red) sensor for the remote control. That pretty much covers the front of the Optoma. Let's look below for a second. Just below the center of the front is a single foot. It is screw thread adjustable in height. Matching that foot are two rear feet, also screw thread adjustable. Having just 3 feet is a plus, as that assures a stable three point stance, no wobbling. Of course, if you are going to ceiling mount, you won't be using the feet anyway. The top of the Optoma has the two of the lens controls right behind the lens on the front. Also found on the top is the control panel, and indicator lights. There's a lamp door on the top as well, for replacing the lamp every few thousand hours. To open the door, the screw holding it on is located on that side. The rest of the goodies - inputs and other connectors are all located on the back of this Optoma PJ.
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