Yamaha YHT-S400 AYHTS400BL Manual Do Utilizador

You can adjust the volume balance of the virtual 
speakers and subwoofer.

Parameter
“SW LEVEL”: Adjusts the output level of the 
subwoofer channel. 
“CENTER LEVEL”: Adjusts the output level of the 
center speaker channel.
“SUR. LEVEL”: Adjusts the output level of the 
surround/surround back virtual speaker channels.

Adjustable range
–6 to +6 (Default setting: 0)

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• You can also adjust the output level of the subwoofer by 

pressing SUBWOOFER +/–.

• If surround mode is off, the virtual center speaker and 

virtual surround effects become invalid.

You can adjust the balance of the high frequency 
range (Treble) and low frequency range (Bass) of 
sounds output from the front speakers to obtain 
desired tone.

Parameter
“TONE BASS”: Adjusts the balance of the low 
frequency range (Bass) of sounds output from the 
speaker.
“TONE TREBLE”: Adjusts the balance of the high 
frequency range (Treble) of sounds output from the 
speaker.

Adjustable range
–6 to +6 (Default setting: 0)

Flat panel display TV images sometimes lag behind 
the sound. You can use this function to delay the 
sound output to synchronize it with the video image.

Parameter
“AUDIO DELAY”

Adjustable range (Default setting: “AUTO”)
“AUTO”, 0 to 240 ms (You can adjust the delay time 
by the 10 ms.)

* “AUTO”: If you operate HDMI connection to a TV with 

the function to automatically adjusting the audio delay, 
you can adjust the delay time automatically.

The system memorizes the settings assigned to each input 
source.

You can select this system (or a TV connected to this 
system via the HDMI OUT jack of this system) for 
reproducing sound signals input from the HDMI IN 
jack in the setup menu.

Parameter
“HDMI AUDIO”

Adjustable option (Default setting: “AMP”)
“AMP”: Outputs HDMI sound signals from the 
speakers connected to this system.
“TV”: Outputs HDMI sound signals from the speakers 
of a TV connected to this system. Sound output from 
the speakers connected to this system is muted.

• The volume level will not change from pressing 

VOLUME +/– or MUTE while output from the TV.

• You cannot change the audio output when “HDMI 

CONTROL” is set to “ON”.

You can set whether to use the HDMI control 
function. Refer to P.23 for HDMI control function.

Parameter
“HDMI CONTROL”

Adjustable option (Default setting: “OFF”)
“ON”: Activates the HDMI control function.
“OFF”: Deactivates the HDMI control function.