ONKYO HT-S8400 User Manual

En

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u functions don’t work

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The following settings can be made for the 
composite video inputs
You must use the buttons on the unit to make these 
settings.
On the AV receiver, press the input selector for the 
input source that you want to set and the 

 button 

simultaneously. While holding down the input selector 
button, press 

 until “Video ATT:On” appears 

on the display. Then, release both buttons. To reactivate 
the setting, repeat the above process so that “Video 
ATT:Off” appears on the display, and release the 
buttons.

This setting can be made for the BD/DVD, VCR/DVR, 
CBL/SAT, GAME or AUX input.
If you have a game console connected to the composite 
video input, and the picture isn’t very clear, you can 
attenuate the gain.
Video ATT:Off: (default).
Video ATT:On: Gain is reduced by 2 dB.

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If the picture on your TV/monitor connected to 
HDMI OUT is unstable, try switching the 
DeepColor function off
To turn off the DeepColor function, simultaneously 
press the CBL/SAT and 

8ON/STANDBY buttons on 

the AV receiver. While holding down CBL/SAT, press 
8ON/STANDBY until “Off” appears on the display. 
Then, release both buttons. To reactivate the DeepColor 
function, repeat the above process until “On” appears 
on the display and release the buttons.

Make sure the USB device is plugged in properly.

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The AV receiver supports USB devices that support 
the USB mass storage device class. However, 
playback may not be possible with some USB 
devices even if they conform to the USB mass 
storage device class.

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USB memory devices with security functions cannot 
be played.

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In the following cases, the power consumption in 
standby mode may reach up to a maximum of 37 W:

– You are using the Universal Port jack.
– “Network Control” is set to “Enable” in the 

“Network” setting.

– “HDMI Control (RIHD)” setting is set to “On”. 

(Depending on the TV status, the AV receiver 
will enter standby mode as usual.)

– The  “HDMI Through” setting is set to other than 

“Off”.

16, 51, 
52, 53

When a pair of headphones is connected, the 
listening mode is set to Stereo, unless it’s already set 
to Stereo, Mono or Direct.

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In some cases, corrected values suitable for home 
theater use may be set automatically.

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Use the “Multiplex” setting on the “Audio Adjust” 
menu to select “Main” or “Sub”.

To use 

u, you must make an u connection and 

an analog audio connection (RCA) between the 
component and AV receiver, even if they are 
connected digitally.

These functions don’t work when Zone 2 is turned 
on.

This can be caused by a malfunction in your speaker 
unit. Check if the unit produces normal sounds.

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The AV receiver contains a microcomputer for signal 
processing and control functions. In very rare situations, 
severe interference, noise from an external source, or 
static electricity may cause it to lockup. In the unlikely 
event that this happens, unplug the power cord from the 
wall outlet, wait at least five seconds, and then plug it 
back in.

Onkyo is not responsible for damages (such as CD 
rental fees) due to unsuccessful recordings caused by 
the unit’s malfunction. Before you record important 
data, make sure that the material will be recorded 
correctly.

Before disconnecting the power cord from the wall 
outlet, set the AV receiver to standby.