Samsung SyncMaster XL2370 - Manual (Page 18)

2-5 Installing the Product
2-5 Connecting an HDMI cable
1. Connect the HDMI output port of your digital output device to the [HDMI IN] port of the product using the HDMI cable.
2. Connect a speaker to the [AUDIO OUT] port of the product.
This product won't make any sound when only the HDMI cable is connected without a speaker connected.
When all the connections are complete, you can turn on and use the product and your DVD player (or digital output
device).
Press the button and select as an input signal.