Mitsubishi Electronics WD-57831 CRT Television User Manual


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54 Chapter 4. TV Operation and Features
TV Signals and Display Formats
ThisisawidescreenTV,alsoknownasa16:9TV.This
shapereflectsthenewtypesofimagesavailablefrom
HDTVandmanyDVDs.Therearestillmanyolderstyle
narrow-screenimages(called4:3aspectratio)youwill
encounter.Whilethereisnoperfectsolutionfordis-
playingasquarish,narrowerimageonawidescreen,
Mitsubishioffersseveraldisplayformatsfromwhichyou
canchoose.
Press
FORMAT
ontheTVremotecontroltocyclethroughthe
availabledisplayformats.Thelast-usedformatforeach
deviceisusedwhenyoureturntothatdevice.
Note:
• OnlystandardformatisavailableforSplitScreen.
• PCformatsvarydependingonthePCsignal.
• For1080psignalsfromanHDMIinput,see“Com-
puterDisplayFormats”inchapter7,“UsingtheTV
withaPersonalComputer.”
Signal Definitions
480i Signals:Traditionalanaloginterlacedsignalsfrom
orthrough
ANT-1
and
2
,
INPUT 1
–
3
,
COMPONENT
and
HDMI
jacks.
480p Signals:Progressive-scanDVDsignalson
COM-
PONENT
and
HDMI
jacks.
720p and 1080i Signals:High-definitionsignalsreceived
through
COMPONENT
and
HDMI
jacks.These
signalsarealways16:9(widescreen).
SD 4:3:Standard-definitionnarrow-screenformatsignals
fromdigitalchannelsandIEEE1394devices.
SD 16:9: Standard-definitionwidescreenformatsignals
fromdigitalchannelsandIEEE1394devices.
HD: High-definitionwide-screenformatsignalsfromdigital
channelsandIEEE-1394devices.Thesesignalsarealways
16:9(widescreen).
DVD Definitions
Anamorphic (or Enhanced for WideScreen TV)
TheseDVDsarerecordedinaspecialwaytoproperly
showwidescreenimageson16:9TVsetsusingthe
Standardformatmode.Thisistherecommendedviewing
choice.
Non-Anamorphic (or 4:3, 1:33:1, Letter Box, or Full
Screen)
TheseDVDsarerecordedforusewithtraditionally
shaped,squarishTVs.Theymaybefullscreen(4:3or
1:33:1)whichcropsmoviestofitthenarrowTV,orletter
box,whichaddsblacktopandbottombars.
ThisinformationmaybelistedontheDVDcase.Some
DVDssupportbothtypesofrecordings.
TV Display Format Definitions
Standard: Thisisthefull-screenformat.HDTVsignals
usethisformat.Thisformatisusefulfordisplaying
AnamorphicDVDsthathave1.78:1or1.85:1aspect
ratios.AnamorphicDVDsthathavea2.35:1aspectratio
aredisplayedwithblackbarsatthetopandbottom,but
showtheentireimagecorrectly.Narrow(4:3)images
arestretchedevenlyfromsidetoside.Availableforall
signals.
Expand:Thisenlargesthepicturetofillthescreen,crop-
pingoffsomeoftheimageatthetopandbottom.This
isusefulforreducingtheletterboxtopandbottombars
ofnon-anamorphicDVDimages.Availablefor480i,480p,
anddigitalSD4:3signalsonly.
Zoom: Thisenlargesthepicture,croppingoffsomeof
theimageateachsideandtopandbottom.Thisisuseful
forremovingorreducingtheblacktopandbottombars
onanamorphicDVDswitha2.35:1aspectratio.Available
for480i,480p,andSD4:3signalsonly.
Stretch:Thisformatstretchesanarrow(4:3)image
acrossthescreen;thereislessstretchinthecenterthan
atthesides,however.Thisallowstheentirenarrowimage
tobedisplayedacrossthescreenwithlessdistortionthan
isseenintheStandardformat.Availablefor480i,480p,
andSD4:3signalsonly.
Stretch Plus: Similartostretchmode,buttominimize
distortionsontheside,thepictureisexpandedtocropoff
portionsofthetopandbottom.Exceptwhendisplaying
menusorSplitScreen,press toadjustthepositionof
thepicturevertically.Availablefor480i,480p,andSD4:3
signalsonly.
Narrow: Thisformatdisplaysnarrow(4:3)imagesintheir
originalshape,andaddsstationaryblacksidebarstofill
thescreen.Availablefor480i,480p,andSD4:3signals
only.
Wide Expand: Enlargesthepicture,croppingsomeof
theimageonbothsides.ThisExpandformatisuseful
toremoveorreduceblacksidebarsaddedtonarrow
imagesthatareconvertedto16:9signalsfordigital
broadcast.Availablefor1080i,720p,digitalSD16:9and
digitalHDsignals.
Note: Allhigh-denitionchannelssendwidescreen(16:9)
signals,butnotallprogrammingsentonthese
channelswascreatedforthisformat.Asaresult,
thebroadcastermustconvertsuchprogramming
forbroadcast,andmaystretchtheimageoradd
sidebarstollthewidescreenarea.
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