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VIZIO M420VT/M470VT User Manual
Connecting an external Receiver/Amp
If your sound system has a SPDIF (optical) digital audio input you can connect it to the optical SPDIF
OUT at the rear of the TV. This is active when receiving audio with the programs being viewed no matter
what input is being used.
1. Turn off the power to the HDTV and Receiver/Amp.
2. Using an audio cable (optical cable), connect the cable to
the audio input connectors on the Receiver/Amp and
connect the other end to the SPDIF OUT audio optical
connector at the side of the LCD HDTV.
3. Turn on the power to the HDTV and Receiver/Amp.
4. Then press the MENU button on the remote control to
bring up the On-Screen Display (OSD) menu.
5. Press
◄ button on the remote control to select the Audio
menu.
6. Press OK on the remote control to enter the Audio sub-
menu. Press the
T button to highlight SPEAKERS.
7. Press ◄ or ► key to select Off so that the sound from the
TV will now be routed through your Receiver/Amp system.
8. Press EXIT key to exit the menu display.
Note:
• Refer to your Receiver/Amp user manual to select the corresponding audio input.
• The audio output is not amplified and cannot be connected directly to external speakers.
Version 4/29/2010 25
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