JVC Lt 42z48 Instructions

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Clear SDFor clearer picture (Off / Mode-1 / Mode-2)
z When “Mode-1” or “Mode-2” is selected, “Digital VNR”, “DigiPure”, 
“MPEG Noise Reduction” and “Pictu re Management” settings are not 
available.
Digital VNRReduce noise
On : Maintain constant effect 
level Off :
Function is turned off
Auto* : Automatically adjusts the effect level
* “Auto” can be selected only  when viewing TV channels.
DigiPureFor natural-looking outlines
On : When the picture loses...

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z“Cinema Surround” does not work with headphones.
z “Auto Volume Control” does not work with headphones.
Stereo/ t- uSelect stereo, monaural or bilingual language
( v : Monaural /  s: Stereo /  t: SUB1 / 
u : SUB2 / Mono)
BassLow tones (Weaker  l Stronger)
TrebleHigh tones (Weaker  l Stronger)
BalanceSpeaker balance (Left stronger  l Right 
stronger)
Cinema SurroundAmbient sound (High / Low / Mono / Off)
Auto Volume 
ControlMaintains a uniform sound volume even if the 
sound becomes loud suddenly...

22
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Lock a channel
TimerTimer for turning on and off the TV
On Timer: Set a time for the TV to turn on automatically
1
2
3
zChoose the PR (channel) that you want to watch when the TV turns 
on. External input and AV position cannot be chosen for PR.
z Set the “On Timer” to your desired period of time by pressing the 
number buttons. When the “On Timer” is set to other than 00:00, the 
“On Timer” is activated. You can se t the period of time to a maximum 
of 12 hours...

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Blue BackDisplays a blue screen and mutes the sound 
when the signal is weak or absent (On / Off)
Child LockDisable the front control buttons on the TV. 
(On / Off)
Auto ShutoffSet the TV to turn off if no signal is received 
and no operation is performed for about 15 
minutes (On / Off)
Select in RF mode only.
Favourite SettingRemove a channel from the Favourite 
channel list
For more details
g “Register a channel to a button 
(Favourite channel)” (P. 13)
Power LampLights the power lamp (P. 4) while...

24
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Auto ProgramAutomatically registers the channelsEdit channels
g“Editing channels” (P. 10)
Edit/Manualg  “Editing channels” (P. 10)
LanguageSelect a language for the menus
VIDEO Settingg “Setting video terminals” (P. 25)
Teletext LanguageSelect a language for Teletext programmes 
(P. 9, 28)
 Set Up
Set Up
Auto Program
Edit / Manual
Language
VIDEO Setting
Teletext Language
HDMI-1 Audio Setting
HDMI Mode Setting
PC Setting
Autoz “PC Setting” is only available when...

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Edit names of connected devices (ID List)
Clear the name  g Select the blank space in the list
Switch between component and composite input( Pr/Pb/Y, V)
 Return to composite input  g Press “ ” (yellow) in  B again.
1Display the “VIDEO Setting” menu
2Select an input, and then proceed with setting
Setting video terminals
A select
B next
Display the menu 
bar Select “VIDEO Setting”Select “Set Up”
A
select
B next
VIDEO Setting
VIDEO-2
SAT VIDEO-1
DVD
select
A Show the name list BSelect a name from the...

26
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ProblemActions
Basics
Remote control stops 
workingz
Unplug TV, several minutes later plug it in 
again.
Screen
Aspect ratio changes 
unintentionally z
Press “ ” to return to your settings. (P. 16)
PC screen alignment 
is off z
Adjust “PC Setting”. (P. 24)
Black or white dots 
appear on the screen z
LCD panels use fine dots (“pixels”) to display 
images.
While more than 99.99% of these pixels 
function properly, a very small number of 
pixels may not light, or...

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ProblemActions
PictureStrange picture when 
using an external 
devicez
If the top of the image is distorted, check the 
video signal quality itself.
z If movement appears unnatural when 
receiving a signal from a DVD player etc., 
with 576p (625p), change the output setting 
of the external device to 576i (625i).
SoundPoor sound z
Adjust “Bass” and “Treble”. (P. 21)
z If receiving a poor signal in “Stereo/ t- u ”, 
switch to “Mono”. (P. 21)
z Adjust the channel reception using “Edit/
Manual”. (P. 10)...

28
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zIf the characters are unreadable. 
g Select different Teletext language group.
Refer to page 11 for sound system and page 20 for colour system. Connect a DVI device to HDMI-1 using 
DVI-HDMI conversion cable. Connect 
analogue sound output of the DVI device to L and R terminals in HDMI-1 
(DVI ANALOG AUDIO).
z Set “HDMI-1 Audio Setting” to “Analogue” or “Auto”  g (P. 24)
z HDMI-2 and HDMI-3 inputs do not support analogue sound (HDMI-1 (DVI 
ANALOG AUDIO)).
When...

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To use the “Insert” function (P. 10), find the “CH/CC” number corresponding to the TV’s Channel number from this table. 
US: The US channel numbers are the channel num bers used in the United States, Philippines, etc.
CCIR: The CCIR channel numbers are the channel number s used in the Middle East, Southeast Asia, etc.
OIRT: The OIRT channel numbers are the channel number s used in Eastern Europe, Russia, Vietnam, etc.
AUSTRALIA: The AUSTRALIA channel numbers are t he channel numbers used in Australia,...