Epson Projector PowerLite 640 User Manual

Related
references
 Projector
SetupSettings -Extended Menu
 Related
tasks
 Connecting
toaComputer forUSB Video andAudio
 Solutions
WhenNo Signal Message Appears
 If
the No Signal message appears,trythe following solutions:
 •
Press theSource Searchbuttonandwait afew seconds foranimage toappear.
 •
Turn onthe connected computerorvideo source, andpress itsplay button tobegin yourpresentation,
 if
necessary.
 •
Check theconnection fromtheprojector toyour video sources.
 •
Ifyou areprojecting fromalaptop...

Displaying
FromaMac Laptop
 If
you seetheNo Signal message whenyoudisplay fromaMac laptop, youneed toset upthe laptop
 for
mirrored display.(Seeyourlaptop manual fordetails.)
 1.
Open theSystem Preferences utilityandselect Displays .
 2.
Click theArrangement tab.
 3.
Select theMirror Displays checkbox.
 Parent
topic:Solutions WhenNo Signal Message Appears
 Solutions
WhenNot Supported Message Appears
 If
the Not Supported messageappears,trythe following solutions:
 •
Make surethecorrect inputsignal...

Related
references
 Input
Signal Settings -Signal Menu
 Supported
VideoDisplay Formats
 Solutions
WhentheImage isNot Rectangular
 If
the projected imageisnot evenly rectangular, trythe following solutions:
 •
Turn onautomatic keystoneadjustments usingtheprojectors menus.
 •
Place theprojector directlyinfront ofthe center ofthe screen, facingitsquarely, ifpossible.
 •
Ifyou adjusted theprojector heightusingtheprojector feet,press thekeystone buttonsonthe
 projector
toadjust theimage shape.
 •
Adjust...

•
Ifyou areprojecting fromacomputer, presstheAuto button onthe remote controltoautomatically
 adjust
thetracking andsync. Ifthe problem remains, displayauniformly patterned imageonthe
 screen
andmanually adjusttheTracking andSync settings.
 •
Ifyou adjusted theimage shape usingtheprojector controls,trydecreasing theSharpness settingto
 improve
imagequality.
 •
Ifyou connected anextension powercable,tryprojecting withoutitto see ifitcaused interference in
 the
signal.
 •
Ifyou areusing theUSB Display...

Related
references
 Projection
Distance
 Image
Quality Settings -Image Menu
 Input
Signal Settings -Signal Menu
 Projector
FeatureSettings -Settings Menu
 General
Projector Specifications
 Related
tasks
 Focusing
theImage UsingtheFocus Ring
 Cleaning
theLens
 Solutions
WhentheImage Brightness orColors areIncorrect
 If
the projected imageistoo dark orlight, orthe colors areincorrect, trythe following solutions:
 •
Press theColor Mode button onthe remote controltotry different colormodes forthe image...

Available
ColorModes
 Image
Quality Settings -Image Menu
 Input
Signal Settings -Signal Menu
 Projector
SetupSettings -ECO Menu
 Solutions
toSound Problems
 If
there isno sound whenyouexpect itor the volume istoo low orhigh, trythe following solutions:
 •
Adjust theprojectors volumesettings.
 •
Press theA/V Mute button onthe remote controltoresume videoandaudio ifthey were temporarily
 stopped.

•
Press theSource Searchbuttontoswitch tothe correct inputsource, ifnecessary.
 •
Check yourcomputer orvideo...

Solutions
toProblems withtheRemote Control
 Solutions
toPassword Problems
 Parent
topic:Solving Problems
 Solutions
toProjector PowerorShut-Off Problems
 If
the projector doesnotcome onwhen youpress thepower button oritshuts offunexpectedly, trythe
 following
solutions:
 •
Make surethepower cordissecurely connected tothe projector andtoaworking electrical outlet.
 •
The projectors buttonsmaybelocked forsecurity. Unlockthebuttons oruse theremote controlto
 turn
onthe projector.
 •
Ifthe projectors...

•
Make suretheprojector isnot warming uporshutting down.
 •
Check tosee ifa button onthe remote controlisstuck down, causing itto enter sleep mode. Release
 the
button towake theremote controlup.
 •
Strong fluorescent lighting,directsunlight, orinfrared devicesignals maybeinterfering withthe
 projectors
remotereceivers. Dimthelights ormove theprojector awayfromthesun orinterfering
 equipment.

•
Ifavailable, turnoffone ofthe remote receivers inthe projectors menusystem, orcheck ifall the
 remote...

Where
toGet Help
 Related
tasks
 Controlling
aNetworked ProjectorUsingaWeb Browser
 Solving
Network Problems
 Check
thesolutions inthese sections ifyou have problems usingtheprojector onanetwork.
 Solutions
WhenYouCannot AccesstheProjector ThroughtheWeb
 Solutions
WhenNetwork AlertE-Mails areNot Received
 Parent
topic:Solving Problems
 Solutions
WhenYouCannot Access theProjector ThroughtheWeb
 If
you areunable toaccess theprojector throughaweb browser, makesureyouareusing thecorrect ID
 and
password,...

Parent
topic:Solving Network Problems
 Related
references
 Projector
SetupSettings -ECO Menu
 Related
tasks
 Setting
UpProjector NetworkE-MailAlerts
 Where
toGet Help
 If
you need tocontact Epsonfortechnical supportservices, usethefollowing supportoptions.
 Internet
Support
 Visit
Epsons supportwebsite atepson.com/support (U.S.)orepson.ca/support (Canada)forsolutions to
 common
problems withyour projector. Youcandownload utilitiesanddocumentation, getFAQs and
 troubleshooting
advice,ore-mail Epson...