Samsung SP2553XWX-ZA - Manual (Page 29)

Installation and Connection 2-13
2-13 Connecting an AV device using a D-Sub cable
Make sure that the AV device and your projector are turned off.
1. Connect the [PC IN] terminal at the back of the projector to the D-Sub terminal of your AV device using a D-Sub cable.
- For supported input signal formats, resolutions, and frequencies, see AV Timing (D-Sub) in Section 2-8, "Supported Display
Modes".
2. Connect the [ AUDIO IN (L-AUDIO-R) ] terminal at the back of the projector to the Audio out terminal of your AV device using an
audio cable (Not supplied).