JVC Th A55 Instructions

Tuner operations
28
2Press MEMORY.
The channel number position starts flashing on the display 
window for about 5 seconds.
While the channel number position is flashing:
3Press number button(s) (1-10, +10) to 
select a channel number.
The channel number and the CH indicator start flashing.
Examples:
For channel number 3: Press 3.
For channel number 14: Press +10, then 4.
(For FM stations only)
For channel number 24: Press +10 twice, then 4.
For channel number 30: Press +10 twice, then 10.
While the...

Tuner operations
29
RDS allows FM stations to send an additional signal along with 
their regular program signals. For  example, the stations send their 
station names, as well as inform ation about what type of program 
they broadcast, such as sports or music, etc.
When tuned in to an FM station  which provides the RDS service, 
the RDS indicator lights up on the display window.
With the system, you can receive the following types of RDS 
signals:
PS (Program Service): Shows  commonly known station...

Tuner operations
30
Searching for a program by PTY codes
One of the advantages of the RDS service is that you can locate a 
particular kind of program from the preset channels (Apg. 27) by 
specifying the PTY codes.
7 To search for a program using the PTY codes
NOTE
Before you start operation;• The PTY Search is only appl icable to preset stations.
 To stop searching any time  during the process, press PTY SEARCH 
while searching.
 There is a time limit in doing the following steps. If the setting is...

Tuner operations
31
Description of the PTY codes
NOTE
• Classification of the PTY codes for some FM stations may be 
different from the above list.
Switching to broadcast program of your 
choice temporarily
Another convenient RDS service is called “Enhanced Other 
Network”.
This allows the system to switch temporarily to a broadcast 
program of your choice (TA, News, and/or Info) from a different 
station except in the following cases:
 When you are listening to non-RDS stations (all AM – MW 
stations,...

Tuner operations
32
To stop listening to the program selected by Enhanced 
Other Network
Press TA/NEWS/INFO repeatedly again so that the program type 
indicator (TA/News/Info) goes off from the display window. The 
system exits from Enhanced Other Network standby mode and goes 
back to the previously selected station.
When an emergency broadcast (Alarm ! signal) is sent 
from an FM station
The system automatically tunes in to the station and “Alarm !” 
appears on the display window while the system...

33
 Creating realistic sound fields
You can use the following surround modes to reproduce a realistic 
sound field.
Dolby Surround
Dolby Pro Logic II
Dolby Digital
DTS Digital Surround
DSP modes
DAP modes
All Channel Stereo
Dolby Surround
Dolby Pro Logic II
*
Dolby Pro Logic II has a newly developed multichannel playback 
format to decode all 2 channel sources — stereo source and Dolby 
Surround encoded source — into a 5.1 channel.
The matrix-based encoding/decoding method used by Dolby Pro...

Creating realistic sound fields
34
Creating sound field
All Channel Stereo
All Channel Stereo (ALL CH 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.
• When All Channel Stereo is sele cted, the DSP indicator lights on 
the display window.
All Channel Stereo reproduction7 Indicators on the display window
Digital signal format indicators
LPCM: Lights when Linear PCM signal...

Creating realistic sound fields
35
IMPORTANT
Before using the remote control for the following 
operation; 
 Set the remote control mode selector to AUDIO
.The system is set up to automatically select the optimal surround 
mode for input signal from digital multichannel software.
When playing back 2 channel source, you can select the desired 
surround mode manually.
On the remote control:
When playing back digital multichannel software
The appropriate multichannel surround mode is automatically...

Creating realistic sound fields
36
On the remote control:
1Press TEST.
Check if you can hear the sounds through all the speakers at 
the equal level.
“TEST TONE” and the corresponding signal indicator starts 
flashing on the display window, a nd the test tone comes out of 
the speakers in the following order;
]  Front left speaker ( a) ]  Center speaker ( b) ]  
Front right speaker ( c) ]  Surround right speaker 
( i ) ]  Surround left speaker ( g) ]  (back to the 
beginning)
2Adjust the speaker out put...

37
Advanced operations
This section explains advanced operations for disc playback using 
the remote control.
•  shows the types of discs an operation is 
available for.
 Turn on your TV and select the  correct input mode on the TV.
NOTE
If “B” appears on the TV screen when  pressing a button, the disc 
cannot accept an operation you have tried to do or information 
required for that operation is not recorded to the disc.
You can check disc information wh ile the disc is loaded and you 
can use some...