Sony DAV-HDX685 User Manual

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Using the Sound Effect
You can reinforce bass frequencies.
Press DYNAMIC BASS.
“D. BASS ON” appears in the front panel 
display and bass frequencies are effectively 
reinforced.
To turn off the sound effect
Press DYNAMIC BASS again.
You can enjoy sound effects or dialogue, as you 
would in a movie theater, even at low volume. It 
is useful for watching movies at night.
Press NIGHT.
“NIGHT ON” appears in the front panel display 
and the sound effect is activated.
Note
• This effect does not work for a Super Audio CD. 
When you load a Super Audio CD during “NIGHT 
ON,” the sound effect turns off automatically.
• When sound is output from the center speaker, this 
effect is more pronounced, as speech (movie dialog, 
etc.) is easy to hear. When sound is not output from 
the center speaker, or you are using the headphones, 
the system optimally adjusts the volume.
To turn off the sound effect
Press NIGHT again.
You can enhance compressed sound such as an 
MP3 audio file.
This effect is activated automatically when all 
the following conditions are satisfied:
– The function is set to “DMPORT” or 
“AUDIO”.
– “DEC. MODE” is set to “A.F.D. STD,” 
“A.F.D. MULTI,” or “2CH STEREO”.
– Headphones are not connected.
When all the conditions above are satisfied, you 
can activate/deactivate the effect by pressing 
DMPORT BOOSTER on the unit. The 
DMPORT BOOSTER indicator turns on.
To turn off the sound effect
Press DMPORT BOOSTER on the unit so that 
the DMPORT BOOSTER indicator turns off.
Reinforcing bass frequencies
Enjoying the sound at low 
volume
Enhancing compressed sound