Panel
PanelPanel
Panel
Type
TypeType
Type
Active matrix, thin film transistor (TFT)
Viewable Image Area
Viewable Image AreaViewable Image Area
Viewable Image Area
(diagonal)
42.2 in (107.2 cm) maximum viewable
Screen Opening
Screen OpeningScreen Opening
Screen Opening
(W x H)
36.8 x 20.8 in (93.3 x 52.7 cm)
Viewing Angle
Viewing Angle Viewing Angle
Viewing Angle
(typical)
1
176 degrees horizontal
Brightness
BrightnessBrightness
Brightness
(typical)
1
500 cd/m
2
Contrast Ratio
Contrast Ratio Contrast Ratio
Contrast Ratio
(typical)
1
1200:1
Response Time
Response Time Response Time
Response Time
(typical)
1
8 ms
Panel Life
Panel LifePanel Life
Panel Life
(Half Brightness)
2
60000 hours
Supported Resolutions
Supported ResolutionsSupported Resolutions
Supported Resolutions
640 x 480 @ 60 Hz, 720 x 400 @ 70 Hz (VGA);
all VESA modes up to 1360 x 768 @ 85.5 MHz;
1920 x 1080 @ 74.25 MHz (EIA)
Supported Inputs
Supported InputsSupported Inputs
Supported Inputs
480i, 480p, 720p, 1080i, 1080p (HDMI only)
Surface Treatment
Surface TreatmentSurface Treatment
Surface Treatment
Anti-glare Hardcoating
Tuning
TuningTuning
Tuning
Digital Tuner
Digital TunerDigital Tuner
Digital Tuner
(ATSC/NTSC/Clear-QAM)
Yes, 1
Video Enhancers
Video EnhancersVideo Enhancers
Video Enhancers
3D Digital Comb Filter
3D Digital Comb Filter3D Digital Comb Filter
3D Digital Comb Filter
Yes
HP Visual Fidelity Engine
HP Visual Fidelity EngineHP Visual Fidelity Engine
HP Visual Fidelity Engine
Yes
3D Color Enrichment
3D Color Enrichment3D Color Enrichment
3D Color Enrichment
Yes
Video Noise Reduction
Video Noise ReductionVideo Noise Reduction
Video Noise Reduction
Yes
Photorealistic Sharpness
Photorealistic SharpnessPhotorealistic Sharpness
Photorealistic Sharpness
Enhancement
EnhancementEnhancement
Enhancement
Yes
3:2 Pulldown
3:2 Pulldown3:2 Pulldown
3:2 Pulldown
Yes
Motion-adaptive
Motion-adaptiveMotion-adaptive
Motion-adaptive
deinterlacer
deinterlacerdeinterlacer
deinterlacer
Yes
Audio
AudioAudio
Audio
No. of Speakers
No. of SpeakersNo. of Speakers
No. of Speakers
2
Audio Output
Audio Output Audio Output
Audio Output
(Total)
20 watts
Speaker Type
Speaker TypeSpeaker Type
Speaker Type
Integrated (Bottom)
Dolby Digital Out
Dolby Digital OutDolby Digital Out
Dolby Digital Out
Yes
Virtual Surround Sound
Virtual Surround SoundVirtual Surround Sound
Virtual Surround Sound
Theater, Music Hall
SAP/MTS
SAP/MTSSAP/MTS
SAP/MTS
Yes
QuickSpecs
HP LT4200 42-inch Professional LCD HDTV
HP LT4200 42-inch Professional LCD HDTVHP LT4200 42-inch Professional LCD HDTV
HP LT4200 42-inch Professional LCD HDTV
Technical Specifications
DA - 12737 Worldwide — Version 1 — May 15, 2007
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