Acer 4120 manual LCD panel ergonomic specifications

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LCD panel ergonomic specifications

Design viewing distance	500 mm

Design inclination angle	0.0°

Design azimuth angle	90.0°

Viewing direction range class	Class IV

Screen tilt angle	85.0°

Design screen illuminance	•	Illuminance level:
		[250 + (250cosα)] lx where α = 85°
	•	Color: Source D65

Reflection class of LCD panel	•	Ordinary LCD: Class I
(positive and negative polarity)	•	Protective or Acer CrystalBrite™ LCD:
		Class III

Image polarity	Both

Reference white:	•	Yn
Pre-setting of luminance and	•	u'n
color temperature @ 6500K	•	v'n
(tested under BM7)

Pixel fault class	Class II

English

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Contents Users Guide Extensa 4420/4120 SeriesPage Turning the product off before cleaning Information for your safety and comfortSafety instructions Using electrical power Product servicing Guidelines for safe battery usagePotentially explosive environments Replacing the battery packMedical devices Additional safety informationTelephone line safety Operating environmentPotentially explosive environments VehiclesMercury advisory Emergency calls Disposal instructionsTips and information for comfortable use Taking care of your vision Finding your comfort zoneDeveloping good work habits Turning your computer on and off Basic care and tips for using your computerFirst things first Your guidesTaking care of your AC adapter Taking care of your computerPlease refer to Frequently asked questions on Taking care of your battery packCleaning and servicing Xvi Contents Using a computer security lock Audio Acer eRecovery Management Page Empowering Technology password Acer Empowering TechnologyAcer eNet Management Empowering Technology To switch between power plans Acer ePower ManagementUsing power plans To create a new power planBattery status To delete a power planAcer ePresentation Management Acer eDataSecurity Management for selected models Acer eLock Management Empowering Technology Acer eRecovery Management Empowering Technology Acer eSettings Management Windows Mobility Center for Windows Vista only Empowering Technology Description Your Acer notebook tourFront view Launch buttons on page 26 for more details Easy-launch buttons on page 26 for more detailsIcon Description Closed front view# Icon Description Left viewRear view Right viewBase view Specifications English English English Icon Function Description IndicatorsEasy-launch buttons Icon Easy-launch button Default applicationIcon Productivity key Default application Touchpad basics TouchpadFunction Left Right Main touchpad Center button Button Lock key Description Using the keyboardDesired access Num Lock on Num Lock off Lock keys and embedded numeric keypadKeyDescription Windows keysHotkeys Fn + ← Hotkey Icon Function Description Fn + ↑Fn + ↓ Fn + →US dollar sign Euro symbolSpecial keys Ejecting the optical CD or DVD drive tray Using a computer security lock Audio Adjusting the volumeAcer GridVista dual-display compatible Using the system utilitiesLaunch Manager Select Tasks & Scans Norton Internet SecurityHow do I check for viruses? NTI Shadow Image is not full-screen Frequently asked questionsNothing appears on the screen Printer does not work No audio is heard from the computerKeyboard does not respond Infrared port does not workWant to set up my location to use the internal modem Before you call Requesting serviceInternational Travelers Warranty ITW Maximizing the batterys life Battery packBattery pack characteristics Installing and removing the battery pack Optimising battery life Charging the batteryChecking the battery level Situation Recommended Action Battery-low warningPreparing the computer Disconnecting from the desktopTaking your notebook PC with you Moving aroundWhat to take with you Taking the computer homeWhat to bring to meetings Special considerations Setting up a home officeTraveling with the computer What to bring with you Traveling internationally with the computerSecuring your computer Using a computer security lockUsing passwords Setting passwords Entering passwordsFax/data modem Expanding through optionsConnectivity options Fast Infrared FIR Built-in network featureIeee 1394 port Universal Serial Bus USBEjecting a PC Card PC Card slotInserting a PC Card Installing memory Bios utilityBoot sequence Playing DVD movies Enable disk-to-disk recoveryPassword Using softwareCreate backup Acer eRecovery ManagementRestore and recovery Burn backup discError messages Corrective action Troubleshooting tipsError messages English Operation conditions Regulations and safety noticesFCC notice Declaration of Conformity for EU countries Modem noticesRemarque à lintention des utilisateurs canadiens List of applicable countries TBREnglish Macrovision copyright protection notice Laser compliance statementLCD pixel statement Article 3.1b EMC Article 3.1a Health and SafetyRadio device regulatory notice General European Union EUEnglish FCC RF safety requirement English LCD panel ergonomic specifications USA EN60950-12001 EN600652002 applied to models with TV function Acer Computer Shanghai LimitedIndex English