Samsung SP-A900B Owner's Instructions Manual page 25

Connect [VIDEO IN(yellow)] input port of the projector to the VIDEO (yellow) OUT port of video equipment using the
video cable.
- If the video equipment has S-VIDEO OUT port, connect it to [S-VIDEO IN] input port of the projector.
Using the S-VIDEO connection, provides a higher visual quality.
When finishing connecting the devices, connect the power of the projector and the VCR.
Using the Projector
Turn on the projector and press the [Video] button to select <Video>.
or
Press the [S-VIDEO] button to select S-Video.
Check that the projector and the video equipment are turned off before connecting cables.
This projector does not support sound. (Separate audio system is needed for sound.)
Connecting to PC