JVC TH-C20 ユーザーズマニュアル

7 DSP

• STADIUM
STADIUM mode adds clarity and spreads the sound, like in an 
outdoor stadium.
• All Channel Stereo
All Channel Stereo (ALL ST) mode can reproduce a larger stereo 
sound field using all the connected (and activated) speakers.
All Channel Stereo can be used while reproducing 2 channel stereo 
source.

7 Indicators on the display window

Digital signal format indicators
PPCM:

Lights when DVD AUDIO packed PCM signals 
comes in.

LPCM:

Lights when Linear PCM signal comes in.

GD:

Lights when Dolby Digital signals come in.

C:

Lights when DTS Digital (Surround) signals come 
in.

No indication: No digital signal indicator lights when analog 

signals come in.

Dolby Surround mode indicator
GPLII:

Lights when Dolby Pro Logic II mode is activated.

Surround indicator
SURR:

Lights when the surround mode is activated.

Source signal indicators, etc.
Light to indicate the incoming signals.
a: Lights when the left channel signal comes 

in.

b: Lights when the center channel signal comes in.
c: Lights when the right channel signal comes in.
d: Lights when the LFE channel signal comes in.
g: Lights when the surround left channel signal comes in.
i: Lights when the surround right channel signal comes in.
h: Lights when the monaural surround channel signal or 2 

channel Dolby Surround signal comes in.

 : Always lights.

The channel with “

” shows that the corresponding speakers are 

reproducing the channels’ sound.
If the channels’ sound decoded into 5.1 channel is reproduced, only 
“

”  lights.

The system is set up to automatically select the optimal surround 
mode for input signal from digital multichannel software.
When playing back a 2 channel source, you can select the desired 
surround mode manually.

Before using the remote control for the following 
operation; 

• Set the remote control mode selector to AUDIO.

7 When playing back digital multichannel software (except 

The appropriate multichannel surround mode (Dolby Digital, DTS 
Digital Surround or Linear/Packed PCM) is automatically selected.

7 When playing back a 2 channel source

You can select either Dolby Pro Logic II (MOVIE/MUSIC) or the 
DSP mode.

The surround mode is turned on and the current surround mode 
appears on the display window. 
Each time you press the button, the surround mode changes.
For details on each mode, see “Available Surround modes for each 
input signal”. (See page 22.)

Storing adjustments — auto memory
When you turn the power off, the system memorizes the current 
surround mode. The memorized mode is automatically recalled 
when you turn the power on.

• For a down-mixing prohibited DVD AUDIO disc, the system 

continues to output multi-channel signals with “MULTI CH” shown 
on the display window even if the surround mode is turned off during 
playback. On the other hand, the system outputs only the front left 
and right channel signals with “LR ONLY” shown on the display 
window when you start playback with the surround mode having 
been set to “OFF” or “H. PHONE”.

• For ASF, MPEG-2, MPEG-1 and DivX (except DivX version 6), the 

surround mode takes no effects.

You can check disc information and you can use some functions 
using the on-screen bar.

7 Whenever a disc is loaded

Each time you press the button, the on-screen bar 
changes as follows on the TV screen.

Example: During DVD VIDEO playback

• The currently selected item shows green.

Normal stereo sound

All Channel Stereo

OFF

(The on-screen bar disappears)

(back to the beginning)

See page 22 for button locations.

TH-C20-30[JC]5.book  Page 23  Thursday, January 12, 2006  11:29 AM