LG AU810PB Owners Manual - Page 43

Connecting a Digital Amp

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43 Connecting a Digital Amp Using an optical cable, connect the digital audio input port of a digital amp to the port of the projector. The output of an amp with a digital converter must be set to the desired audio format. When using a HDMI cable to connect a home theater or when connecting an optical output to an external audio device, set [Sound Out] to [Optical]. If a projector, home theater, or the speaker of an external audio device is operating at the same time, there will be an echo. ENGLISH Optional Extras NOTE • Refer to the user manual of the audio device to connect. • When connecting this product to other devices, make sure to turn off and unplug all the devices. • The audio output of this product has wide-ranging audio bandwidth, so the receiver volume must be adjusted properly. Speakers can be damaged by unexpected high frequencies. • Connecting the port of the projector to the digital audio input port of a digital amp and the audio input port of the projector to the analog audio output port of the digital amp can cause sound oscillation due to the closed loop. Remove one of the two connections to prevent this. (This also applies to home theater devices.)

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43
ENGLISH
Connecting a Digital Amp
Using an optical cable, connect the digital audio input port of a digital amp to the
port of the projector. The output of an amp with a
digital converter must be set to the desired audio format. When using a HDMI cable
to connect a home theater or when connecting an optical output to an external audio
device, set [Sound Out] to [Optical]. If a projector, home theater, or the speaker of an
external audio device is operating at the same time, there will be an echo.
Optional Extras
NOTE
•
Refer to the user manual of the audio device to connect.
•
When connecting this product to other devices, make sure to turn off and
unplug all the devices.
•
The audio output of this product has wide-ranging audio bandwidth, so the
receiver volume must be adjusted properly. Speakers can be damaged by
unexpected high frequencies.
•
Connecting the
port of the projector to the
digital audio input port of a digital amp and the audio input port of the projector
to the analog audio output port of the digital amp can cause sound oscillation
due to the closed loop. Remove one of the two connections to prevent this. (This
also applies to home theater devices.)