ViewSonic VS11856 user manual Troubleshooting, List of Compatible Signals

Page 52

Troubleshooting

If you think something is wrong, check the followings before contacting customer service.

If This Happens

Check

No power

* Is the power cord or battery pack plugged in?

* Is it connected to the projector?

 

Power is lost during use

* Is the ambient temperature high?

* Is the air intake or air exhaust blocked?

 

 

* Is the projector turned on?

No picture

* Are the connections set up correctly?

 

* Are all the connected devices functioning properly?

 

* Is the input signal supported by the projector? ,

Picture not displayed correctly

* Is something generating an abnormal video signal,

 

for instance the video tape?

 

* Is the lens dirty?

 

* Is the lens focus adjusted optimally?

 

* Is the projection distance within the projector’s

Picture blurred Part of picture out of

supported range?

focus

* Is the projector’s screen placement angle tilted too

 

far?

 

* Are the sharpness or sampling phase adjustments

 

off?

Colors too light

* Are the color or tint, adjustments off?

Bad shading

* Is the screen dirty?

 

 

48

List of Compatible Signals

Analog PC timing

Mode

Resolution

V-Sync

H Sync

VGA

640 x 480

50 Hz

24.69 kHz

DOS/Text mode

640 x 480

60 Hz

31.5 kHz

 

visible

640 x 480

72 Hz

37.9 kHz

 

 

640 x 480

75 Hz

37.5 kHz

 

640 x 480

85 Hz

43.3 kHz

SVGA

800 x 600

50 Hz

30.99 kHz

 

800 x 600

56 Hz

35.2 kHz

 

800 x 600

60 Hz

37.9 kHz

 

800 x 600

72 Hz

48.1 kHz

 

800 x 600

75 Hz

46.9 kHz

 

800 x 600

85 Hz

53.7 kHz

XGA

1024 x 768

50 Hz

39.63 kHz

 

1024 x 768

60 Hz

48.4 kHz

 

1024 x 768

70 Hz

56.5 kHz

 

1024 x 768

75 Hz

60.0 kHz

 

1024 x 768

85 Hz

68.7 kHz

WXGA

1280x768

60 Hz

47.8 kHz

SXGA

1280 x 1024

64.0 kHz

60 Hz

 

1280 x 1024

80.0 kHz

75 Hz

Coordinated Video

640 x 480

67 Hz

35 kHz

Timing

832 x 624

75 Hz

49.72 kHz

 

 

1024 x 768

75 Hz

60.24 kHz

Image 52 Contents
Precision by ViewSonic Compliance Information Declaration of RoHS Compliance Copyright InformationProduct Registration For Your RecordsInstallation Remote ControlCompliance Information IntroductionPackage Contents Projector FeaturesIntroduction Projector Overview Control PanelConnection ports Remote Control PowerMenu Color TempInput Select LightLens Shift ZOOM/FOCUSInstalling the Batteries Remote Control OperationInstallation Power connectionAudio and Video Devices Connectivity Configuration HdmiInstallation Pro8100 RGB Adjusting the Projected Image Adjusting Projection Image Size Projection Screen SelectionPower Light Remote Control direct accessOFF Lens Shift Zoom and FocusAspect Ratio Picture ModesColor Temperature PCS Precision Color SystemPCS on PCS OFFBlack Level HQVHQV on HQV OFFDaylight Sensor Input SelectDirect Input Keys Remote Control direct access Main Menu Setup Menu Advanced Operation OSD MenuPicture Sub-Menu Basic Sub-MenuColor Temperature Sub-Menu Image Adjust Sub-Menu PhasePosition 71 Position 75Overscan ManualKeystone Geometry Adjust Advanced Sub-MenuAuto Auto V.KEYSTONE OFF Picture Mode LOW MID High Blacker than BlackLTI OFF CTI 3 HQVEnhancement Noise Reduction TNR MNR BAR OFFRGB Color Space Config Sub-MenuAuto Projector Settings Timeout Transparency Type Timeout 302 OSD Languages LocationTimers High AltitudeAuto Iris PCS Settings Sub-Menu Auto Iris OFF1 PCS PCS DisplayUser PCS OFF UserFlesh tone Edge Enhancement ColorGamma Correction 6 3D Color ManagementGreen Enhance Blue Cyan Magenta Yellow ColorCustom Color Memory Settings Sub-MenuLoad Custom Color Temperature Green Gain Blue Gain RED Offset Green Offset Blue OffsetSave LoadSave LoadSystem Status Screen ResetMENU/EXIT Daylight sensor status Indication if System temperature status, display if system Making Adjustments User Picture Mode Adjustments Making and Recalling the User AdjustmentsUser Color Temperature Adjustments User PCS Adjustments Recalling the User Picture Mode & Color TemperatureRecalling the User PCS Adjustments Recalling Both User Picture Mode and User PCS Custom 1Making and Recalling the User Adjustments Appendix Appendix Replacing the LampTroubleshooting List of Compatible SignalsWSXGA+ SXGA+Uxga LED Indicator Message Product SpecificationHDMI-1 RS232 command codeHDMI-2 Key-Pad & IR command Command Send String HEX Remote control code Complete IR command code tableCustomer Support Country/Region Web Site =Telephone Mail =FaxLimitation of implied warranties