Hitachi 51F520 Operating Manual page 41

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 2nd Audio Prog (SAP) which may be a secondary
language, weather report, etc.
The sources received will be displayed at the top right edge of the TV. The source you select will be dis-
played above the sources received. See example below for each selection when both stereo and second
audio are received (monaural is always received).
STEREO SELECTED
Internal Speakers This function is useful when setting up the external speakers.
ON - Select this feature if using the internal speakers only.
OFF - Select this feature if you prefer to use only speakers from a separate stereo system.
This function eliminates the noise between stations. If a channel is tuned and is noisy, this function will
Auto Noise Cancel
automatically eliminate the audio for that channel.
This function will automatically adjust volume so each channel and input has the same average volume
Perfect Volume
level.
This function turns loudness ON or OFF. It will improve the quality of both low and high frequency sounds
Loudness
when listening at low volume levels.
3:32 PM
Ant A 10
Stereo
R
SAP SELECTED
3:32 PM
Ant A 10
SAP
R
41
MONO SELECTED
3:32 PM
Ant A 10
Mono
R