Mitsubishi Electronics PK20 user manual Images aren’t projected correctly, EN-37

Page 37

Problem

Cause and solution

No source found.

Turn on the power of the connected device, or check whether there is something wrong

with the connected device.

 

 

Check whether the external device outputs signals. (Check this especially when the

 

external device is a notebook computer.)

 

Check that the cable connected to the external device isn’t defective.

 

Check that the projector is connected to the external device using the correct

 

terminals.

 

Check that the connected device is correctly selected as the input source.

 

When an extension cord is being used, replace it with the supplied cable and check

 

whether images are projected correctly.

The projector is turned off.

Check whether the Auto Power Off function is activated or not.

 

 

Images aren’t projected correctly.

Problem

Cause and solution

Projected images are shaking.

Check that the cable connected to the external device isn’t intermittent.

Projected images are displaced.

Connect the cable’s plug with the external device’s connector firmly.

 

Some computers output out-of-spec signals on rare occasion Adjust the SIGNAL

 

menu.

 

 

Projected images are distorted.

Adjust the projector and the screen so that they are perpendicular to each other.

Projected images are dark.

Adjust BRIGHTNESS in the IMAGE menu.

 

 

 

Adjust the focus.

Projected images are blurred.

Clean the lens.

Adjust BRIGHTNESS and CONTRAST in the IMAGE menu.

 

 

Adjust the projector and the screen so that they are perpendicular to each other.

 

 

White dots are seen on projected

This symptom is normal for a DLP projector and is not a malfunction. (A very small

images.

number of pixels may stay lit or out, but such sympton is not a malfunction. Pixels

Black dots are seen on projected

of 99.99% or more are effective.)

images.

 

 

 

EN-37

Image 37
Contents EN-1 LED ProjectorEN-2 EN-3 EN-4 Compliance NoticeContents EN-6 Important safeguardsEN-7 Do not look into the lens when the projector is operating Do not keep using the damaged projectorNever remove the cabinet Do not modify the projector Do not place the projector on uneven surfaceEN-9 Place of installationEN-10 OverviewEN-11 Power supplyEN-12 For battery chargingEN-13 For battery removalFor battery change Remote controlFor the first time use Operating Range Remote Control PrecautionsEN-15 EN-16 InstallationEN-17 Using the tripodBasic connections Projector + Computer Projector + DVD player or HdtvFor Macintosh For computer with D-SUBPreparation for projection PreparationFollowing cases EN-20EN-21 EN-22 Basic operationEN-23 Power-offHi-Bright button Volume buttonAuto button Mute buttonEN-25 Menu operationEN-26 ImageEN-27 InstallationEN-28 FeatureFormat Max. Resolution Extension Using the SD card viewerThumbnail display How to use the SD Card ViewerEN-30 EN-31 Displaying thumbnailsPage EN-33 Image adjustment Image adjustmentAdjustment of the image from the computer EN-34EN-35 Simple adjustment methodImages aren’t projected on the screen TroubleshootingEN-36 EN-37 Images aren’t projected correctlyRainbow blurprojected images EN-38EN-39 OthersCleaning of the projector and the ventilation slots MaintenanceCleaning of the lens EN-40EN-41 IndicatorsEN-42 EN-43 SpecificationsEN-44 Dimensional drawings unit mmWhat’s included in the box Optional accessoriesPin assignment of S-Video, Video and VGA terminals EN-45EN-46 Signal mode Resolution H xSignal mode Specification of Hdtv signalsKHz EN-47North America Mitsubishi Projector Contact InformationEurope EN-48EN-49 AsiaEN-50 EN-51 OceaniaEN-52

PK20 specifications

The Mitsubishi Electronics PK20 is an innovative and versatile projector designed for both business and educational environments. Leveraging cutting-edge technology, this model offers high-quality performance and user-friendly features, making it an excellent choice for presentations, training sessions, and classroom activities.

One of the standout features of the PK20 is its compact and lightweight design, which enhances portability without compromising functionality. Weighing just a few pounds, it is easy to transport between various locations, allowing users to set up quickly and efficiently. Its sleek form factor makes it suitable for small spaces while maintaining an elegant appearance.

The PK20 employs advanced DLP (Digital Light Processing) technology, delivering vibrant color accuracy and sharp image clarity. With a brightness rating of 3000 lumens, it effectively projects images in well-lit environments, ensuring that presentations are visible and engaging, even in daylight conditions. The native resolution of the projector is XGA (1024 x 768), providing clear and detailed visuals for text and graphics.

A key characteristic of the PK20 is its impressive lamp lifespan, which can extend up to 10,000 hours in eco mode. This feature not only reduces the need for frequent lamp replacements but also contributes to lower total cost of ownership, making it more economical for schools and businesses alike. The projector also features an energy-saving mode that automatically adjusts brightness based on the content being displayed, further extending the lamp life.

Connectivity options are a significant advantage of the PK20. It includes multiple input ports, such as HDMI, VGA, and USB, allowing users to connect various devices such as laptops, smartphones, and media players with ease. Wireless connectivity options enable seamless integration with modern devices, enhancing the user experience and eliminating the clutter of cables.

Furthermore, the PK20 is equipped with built-in audio capabilities, delivering clear sound for presentations without the need for external speakers. This feature is particularly beneficial in educational settings, where audio plays a crucial role in engagement and comprehension.

In summary, the Mitsubishi Electronics PK20 projector stands out with its combination of portability, superior brightness, impressive lamp life, and versatile connectivity options. Its user-centric design makes it a reliable choice for enhancing presentations, whether in a classroom, conference room, or any other setting that demands high-quality visual performance.