Hitachi 55HDS69 - Manual (Page 41)

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
®
Digital and PCM.
Dolby ® Digital - Select this feature if the TV is connected to an amplifier/receiver with a Dolby ® Digital only
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. The default setting is ON.
Use the CURSOR PAD ̇ or ̈ to select the chosen
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.
41
Audio
On-Scr
een Display
DRC
Digital Output
Language
Loudness
Perfect Volume
Auto Noise Cancel
Internal Speakers
Audio Source
Bass Boost
Off
Off
On
Stereo
Off
On
Dolby Digital
1 [Unknown]
Off
Audio
Move SEL Return
OR
Perfect Volume
Auto Noise Cancel
Internal Speakers
Audio Source
Bass Boost
Surround
Balance
Bass
Treble
O ff
Off
On
Stereo
Off
Off
L R
50%
50%
Audio
Move SEL Return
NOTE: 1.- The DRC control affects only Dolby Digital
signals decoded internally by the TV.
2.- DRC does not affect the Dolby Digital bitstream
available at the digital audio output.