HP EF227A4 Specification
1.
Opens, selects or exits the OSD menu.
4.
Selects video input, DVI-I#1 or DVI-I#2.
2.
Navigates backward through the OSD menu and decreases
adjustment levels. When the OSD menu is inactive, activates
the auto-adjustment feature to optimize the screen image.
5.
Turns the monitor on or off.
3.
Navigates forward through the OSD menu and increases
adjustment levels.
Models
ModelsModels
Models
Workstation Volume Channel
EF227A4-#ABA
QuickSpecs
QuickSpecsQuickSpecs
QuickSpecs
HP LP2065 20-inch LCD Monitor
HP LP2065 20-inch LCD MonitorHP LP2065 20-inch LCD Monitor
HP LP2065 20-inch LCD Monitor
Overview
DA - 12377 North America — Version 13 — December 15, 2008
Page 1
Panel
PanelPanel
Panel
Type
TypeType
Type
20-inch Active Matrix TFT (thin film transistor)
Viewable Image Area
Viewable Image AreaViewable Image Area
Viewable Image Area
(diagonal)
20.1 in (51 cm)
Screen Opening
Screen Opening Screen Opening
Screen Opening
(WxH)
16.2 x 12.17 in (40.8 x 30.6 cm)
Panel Type
Panel TypePanel Type
Panel Type
IPS
Aspect Ratio
Aspect RatioAspect Ratio
Aspect Ratio
4:3
Viewing Angle
Viewing AngleViewing Angle
Viewing Angle
(typical)
1
178° horizontal/178° vertical (10:1 minimum contrast ratio)
Brightness
BrightnessBrightness
Brightness
(typical)
1
300 nits (cd/m2)
Contrast Ratio
Contrast RatioContrast Ratio
Contrast Ratio
(typical)
1
800:1
Response Time
Response TimeResponse Time
Response Time
(typical)
1
8 ms
2
Pixel Pitch
Pixel PitchPixel Pitch
Pixel Pitch
0.255 mm
Color Gamut
Color GamutColor Gamut
Color Gamut
72%
Backlight Lamp Life
Backlight Lamp LifeBacklight Lamp Life
Backlight Lamp Life
(to half brightness)
45K hours
Bezel Width
Bezel WidthBezel Width
Bezel Width
16 mm
On Screen Display
On Screen DisplayOn Screen Display
On Screen Display
(OSD)
Controls
ControlsControls
Controls
Buttons or Switches
Buttons or SwitchesButtons or Switches
Buttons or Switches
OSD menu select, auto adjust/OSD up, OSD down
Input select, power
Languages
LanguagesLanguages
Languages
English, French, German, Spanish, Italian, Dutch, and Japanese
User Controls
User ControlsUser Controls
User Controls
Brightness, contrast, positioning, color temperature, individual color control,
serial number display, full screen resolutions, clock, clock phase, input
selection, image control (including scaling), and factory reset
Signal Interface/
Signal Interface/Signal Interface/
Signal Interface/
Performance
PerformancePerformance
Performance
Horizontal Frequency
Horizontal FrequencyHorizontal Frequency
Horizontal Frequency
30 to 94 kHz (VGA input); 30 to 92 KHz (DVI input for modes with pixel
clock less than 162 MHz)
Vertical Frequency
Vertical FrequencyVertical Frequency
Vertical Frequency
48 to 85 Hz (VGA input); 48 to 85 Hz (DVI input for modes with pixel clock
less than 162 MHz)
Native Resolution
Native ResolutionNative Resolution
Native Resolution
1600 x 1200 @ 60 Hz (recommended)
Preset VESA Graphic
Preset VESA GraphicPreset VESA Graphic
Preset VESA Graphic
Modes
ModesModes
Modes
(non-interlaced)
1600 x 1200 @ 60 Hz, 75 Hz (analog input)
1280 x 1024 @ 60 Hz, 75 Hz, and 85 Hz
1280 x 960 @ 60 Hz
1152 x 900 @ 66 Hz
1024 x 768 @ 60 Hz, 75 Hz, and 85 Hz
800 x 600 @ 60 Hz, 85 Hz
640 x 480 @ 60 Hz, 75 Hz, and 85 Hz
Text Mode
Text ModeText Mode
Text Mode
720 x 400 @ 70 Hz
Mac Mode
Mac ModeMac Mode
Mac Mode
1152 x 870 @ 75 Hz and 832 x 624 @ 75 Hz
QuickSpecs
QuickSpecsQuickSpecs
QuickSpecs
HP LP2065 20-inch LCD Monitor
HP LP2065 20-inch LCD MonitorHP LP2065 20-inch LCD Monitor
HP LP2065 20-inch LCD Monitor
Technical Specifications
DA - 12377 North America — Version 13 — December 15, 2008
Page 2
Sun Mode
Sun ModeSun Mode
Sun Mode
1152 x 900 @ 66 Hz
Maximum Pixel Clock
Maximum Pixel ClockMaximum Pixel Clock
Maximum Pixel Clock
Speed
SpeedSpeed
Speed
202 MHz (analog input); 162 MHz (DVI input)
User Programmable
User ProgrammableUser Programmable
User Programmable
Modes
ModesModes
Modes
Yes, 10
Anti-Glare
Anti-GlareAnti-Glare
Anti-Glare
Yes
Anti-Static
Anti-StaticAnti-Static
Anti-Static
Yes
Default Color Temperature
Default Color TemperatureDefault Color Temperature
Default Color Temperature
6500 K
Video/Other Inputs
Video/Other InputsVideo/Other Inputs
Video/Other Inputs
Plug and Play
Plug and PlayPlug and Play
Plug and Play
Yes
Self Powered USB 2.0
Self Powered USB 2.0Self Powered USB 2.0
Self Powered USB 2.0
Hub
HubHub
Hub
One upstream, four downstream ports (cable included)
Input Signal
Input SignalInput Signal
Input Signal
Two DVI-I connectors (dual VGA analog or dual digital input possible)
Input Impedance
Input ImpedanceInput Impedance
Input Impedance
75 ohms ± 10%
Sync Input
Sync InputSync Input
Sync Input
Separate sync (HSYNC/VSYNC); composite sync, Sync on Green
Video Cable
Video CableVideo Cable
Video Cable
Two VGA to DVI-I; two DVI-D to DVI-I
Video Cable Length
Video Cable LengthVideo Cable Length
Video Cable Length
6.5 ft (1.98 m)
Power
PowerPower
Power
Input Power
Input PowerInput Power
Input Power
Auto-Ranging, 90 ~ 265 VAC; internal power supply, 50 Hz/60 Hz
Frequency
FrequencyFrequency
Frequency
47.5 to 63 Hz
Typical Power
Typical PowerTypical Power
Typical Power
Consumption
ConsumptionConsumption
Consumption
55 watts (without USB ports); 70 watts (USB ports fully loaded)
Maximum
MaximumMaximum
Maximum
< 75 watts
Power Saving
Power SavingPower Saving
Power Saving
< 2 watts
Power Cable Length
Power Cable LengthPower Cable Length
Power Cable Length
5.9 ft (1.8 m)
Mechanical
MechanicalMechanical
Mechanical
Dimensions
DimensionsDimensions
Dimensions
(H x W x D)
Unpacked w/ stand
Unpacked w/ standUnpacked w/ stand
Unpacked w/ stand
16.7 to 21.8 x 17.4 x 8.67 in
(42.5 to 55.5 x 44.3 x 22.0 cm)
Unpacked w/o stand
Unpacked w/o standUnpacked w/o stand
Unpacked w/o stand
(head only)
13.58 x 17.4 x 3.42 in
(34.5 x 44.3 x 8.7 cm)
Packaged
PackagedPackaged
Packaged
11.77 x 22.2 x 16.77 in
(29.9 x 56.4 x 42.6 cm)
Weight
WeightWeight
Weight
Unpacked
UnpackedUnpacked
Unpacked
With stand: 20.28 lb (9.2 kg);
Without stand: 12.65 lb (5.75 kg)
Packaged
PackagedPackaged
Packaged
26.3 lb (11.95 kg)
Tilt Range
Tilt RangeTilt Range
Tilt Range
-5° to + 25° vertical tilt
Swivel Range
Swivel RangeSwivel Range
Swivel Range
-45° to + 45°
Height Adjustable
Height AdjustableHeight Adjustable
Height Adjustable
Yes, range 5.1 in (13.0 cm)
Pivot Rotation
Pivot RotationPivot Rotation
Pivot Rotation
Yes
Base
BaseBase
Base
Detachable, ships detached
Environmental
EnvironmentalEnvironmental
Environmental
Temperature – Operating
Temperature – OperatingTemperature – Operating
Temperature – Operating
41° to 95° F (5° to 35° C)
QuickSpecs
QuickSpecsQuickSpecs
QuickSpecs
HP LP2065 20-inch LCD Monitor
HP LP2065 20-inch LCD MonitorHP LP2065 20-inch LCD Monitor
HP LP2065 20-inch LCD Monitor
Technical Specifications
DA - 12377 North America — Version 13 — December 15, 2008
Page 3
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