Toshiba 42LX177 manual Turning off the built-in speakers

Chapter 6: Using the TV’s features

Turning off the built-in speakers

You can use this feature to turn off the TV speakers when you connect an audio system to your TV (- “Connecting a digital audio system” and “Connecting an audio system” on page 22).

To turn off the built-in speakers:

1 Press Yand open the Audio menu.

2 Highlight Audio Setup and press T.

3 In the Speakers field, select Off.

Audio Setup

PC Audio		No
HDMI 1 Audio		Auto
MTS		Stereo
Language		English
Speakers		On
Optical Output Format		Dolby Digital
Dolby Digital		Compressed
Dynamic Range Control
	Reset	Done

4 To save the new settings, highlight Done and press T. To revert to the factory defaults, highlight Reset and press T.

To turn on the built-in speakers:

Select On in step 3 above.

Selecting the optical audio output format

You can use this feature to select the optical audio output format when you connect a Dolby Digital decoder or other digital audio system to the Optical Audio Out terminal on the TV (see “Connecting a digital audio system” on page 22).

To select the optical audio output format:

1 Press Yand open the Audio menu.

2 Highlight Audio Setup and press T.

3 In the Optical Output Format field, select either Dolby Digital or PCM, depending on your device.

Audio Setup

PC Audio	No
HDMI 1 Audio	Auto
MTS	Stereo
Language	English
Speakers	On
Optical Output Format	Dolby Digital
Dolby Digital

Using the Dolby® Digital Dynamic Range

Control feature

This dynamic range control feature causes the ATSC dynamic range to be further compressed, allowing you to switch from ATSC to analog broadcasts at the same dynamic range.

To use the Dolby Digital Dynamic Range Control:

1 Press Yand open the Audio menu.

2 Highlight Audio Setup and press T.

3 In the Dolby Digital Dynamic Range Control field, select Compressed. When Standard is selected, the audio is output with minimal compression.

Audio Setup

PC Audio		No
HDMI 1 Audio		Auto
MTS		Stereo
Language		English
Speakers		On
Optical Output Format		Dolby Digital
Dolby Digital		Compressed
Dynamic Range Control
	Reset	Done

4 To save the new settings, highlight Done and press T. To revert to the factory defaults, highlight Reset and press T.

Note:

•This item will be grayed out for NTSC signals, Video, ColorStream, and PC inputs.

•The Dolby Digital Dynamic Range Control will function in relation to Optical Output Format (PCM mode).

Dynamic Range Control

Compressed

ResetDone

4 To save the new settings, highlight Done and press T. To revert to the factory defaults, highlight Reset and press T.

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