Audio Source; Internal Speakers; Auto Noise Cancel; Digital Output - Hitachi 55HDT52 Operating Manual

Audio

Audio Source

Multi-Channel Television Sound will allow you to select STEREO (a stereo broadcast), MONO (monaural sound)
used when receiving a weak stereo broadcast or SECOND AUDIO PROG (SAP) which may be a secondary
language, weather report, etc.

Internal Speakers

This function is useful when setting up the external speakers.
ON Select this feature if using the internal speakers only.
TV as Center Select this feature when setting up external speakers from a separate stereo system. The
TV's speakers will work as the center speaker.
OFF Select this feature if you prefer to use only speakers from a separate stereo system.

Auto Noise Cancel

This function eliminates the noise between stations. If a channel is tuned and is noisy, this function will
automatically eliminate the audio for that channel.
Perfect Volume
This function will automatically adjust volume so each channel and input has the same average volume level.
Loudness
Set this function to ON to emphasize bass and treble at low volume levels.
Language
Some programs transmit more than one DTV language option. Most will have English as a default language. The
language function will allow you to select up to 4 language options (if available).

Digital Output

This function allows you to select between Dolby
Dolby ® Digital - Select this feature if the TV is connected to an amplifier/receiver with a Dolby
decoder; it will provide six independent soundtrack channels through the optical output jack (Digital Audio).
NOTE: *Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are
trademarks of Dolby Laboratories.
PCM - Select this feature if the TV is connected to an
amplifier/receiver with a PCM only decoder; it will provide
two independent soundtrack channels through the optical
output jack (Digital Audio).
DRC
Dynamic Range Compression - Use this function to
compress the range of sound volume. By compressing the
range of sound volume, it is possible not only to suppress
the output of loud sound at night but also to raise the
volume of low sound. This is only effective when the TV is
connected via the optical out (digital audio) to an
amplifier/receiver with a Dolby
default setting is ON.
Use the CURSOR PAD
options.
NOTE: The functions Language, Digital Output and DRC
are only available when viewing digital programs.
Use the functions at right if your TV is connected to an
amplifier/receiver with optical digital input with Dolby
Digital or PCM decoder capabilities.
48
® Digital and PCM.
Digital decoder. The
®
or to select the chosen
® Digital only
Audio
Treble 50%
Bass 50%
Balance
SRS Off
BBE Hard
TruBass Low
Audio Source Stereo
Internal Speakers On
Auto Noise Cancel Off
Move SEL Return
Audio
TruBass
Low
or
Audio Source Stereo
Internal Speakers On
Auto Noise Cancel Off
Perfect Volume
Off
Loudness Off
Language 1 [Unknown]
Digital Output Dolby Digital
DRC On
Move Return
SEL
L R