User Guide Owner's manual

8. Connect the audio sources to the encoders and the audio outputs to the decoders. If

required, connect the reverse audio input to the decoder and the reverse audio output

to the encoder (see Audio Connections on page 21).

NOTE: The reverse audio feature allows users at the decoder site to communicate

with users at the encoder site.

9. If required, connect USB cables to allow KVM Function. This allows users at the

decoder site to take control of the keyboard and mouse of the source computer at the

encoder site (see page 17).

10. If required, connect the encoder loop‑through video (see Video Connections on page

20) and audio (see Audio Connections on page 21) outputs.

11. If required, set up Genlock connections to synchronize the video streams to multiple

displays (see page 19).

12. Use a PC or laptop to access the web interface served by the controller.

For larger systems, see the VN-Matrix Enterprise Controller User Guide. For smaller

systems, see VNM 250 GUI Overview on page 33.

13. Conﬁgure the video and audio input and output properties for all the devices, using the

appropriate GUI web interface.

NOTE: Extron recommends conﬁguring the audio and video connections through

the GUI web interface. Alternatively, it is possible to use the front panel menu.

VNM 250 • Installation Overview 10