Samsung SP-L250 - Manual (Page 22)

Connecting using a Video/S-Video cable
First, check that the AV device and your projector are turned off.
Connect the [VIDEO] or [S-VIDEO] terminal and the AV device using a Video cable (Not supplied) or S-Video cable (Not supplied).
- For supported input signals, refer to the "AV Timing(VIDEO/S-VIDEO)" .
Connect the [AV IN R-AUDIO-L] terminal at the back of the projector and the Audio out terminal of your AV device using an audio
cable (Not supplied).
Connecting an External Speaker
You can hear sound through an external speaker instead of the internal speaker embedded in the projector.
Prepare an audio cable (Not supplied) suitable for your external speaker.
Connect the [AUDIO OUT] terminal of the projector to the external speaker using an audio cable.
- When using an external speaker, the internal speaker does not operate, but you can adjust the volume of the external speaker
using the Volume button of the projector (or remote control).
- The [AUDIO OUT] terminal can output all audio signals.