Troubleshooting

Phenomena that may be easy to be mistaken for machine defects

About the phenomenon confused with a machine defect, check and cope with it according to the following table.

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

 

 

 

The electrical power cord is not plugged in.

12

 

Correctly connect the power cord.

 

 

 

The main power source has been interrupted during

 

 

operation such as by a power outage (blackout), etc.

12, 16

 

Please disconnect the power plug from the power outlet,

Power does not

and allow the projector to cool down at least 10 minutes,

 

then turn the power on again.

 

come on.

 

 

Either there is no lamp and/or lamp cover, or either

 

 

 

 

of these has not been properly fixed.

 

 

Please turn the power off and disconnect the power plug from

58

 

the power outlet, and allow the projector to cool down at least

 

45 minutes. After the projector has sufficiently cooled down,

 

 

please make confirmation of the attachment state of the lamp

 

 

and lamp cover, and then turn the power on again.

 

 

The signal cables are not correctly connected.

10

 

Correctly connect the connection cables.

 

 

 

Signal source does not correctly work.

 

Correctly set up the signal source device by referring to the

 

manual of the source device.

 

Neither sounds

The input changeover settings are mismatched.

18, 19

nor pictures are

Select the input signal, and correct the settings.

outputted.

 

 

The BLANK function for pictures and the MUTE

 

 

 

 

function for sounds are working.

 

 

The BLANK and MUTE, or AV Mute may be active. Refer

18, 23

 

to the item “Sound does not come out” and “No pictures

 

 

 

are displayed” on the next page to turn off the MUTE and

 

 

BLANK functions.

 

(continued on next page)

 

67

Page 67
Image 67
Hitachi ED-A111 user manual Electrical power cord is not plugged, These has not been properly fixed

ED-A111 specifications

The Hitachi ED-A111 is a versatile and innovative projector that has gained widespread recognition for its exceptional performance and advanced features. Designed primarily for educational and professional settings, the ED-A111 integrates a host of technologies that enhance visual presentations and user experience.

One of the standout features of the Hitachi ED-A111 is its high brightness level, boasting up to 3,000 ANSI lumens. This makes it suitable for use in various lighting conditions, allowing for clear visuals even in well-lit environments. The projector's native XGA resolution (1024 x 768) ensures that images are rendered with high clarity, making it ideal for showcasing detailed presentations, graphs, and images.

The ED-A111 comes equipped with a range of connectivity options, including HDMI, VGA, and USB, enabling users to connect multiple devices seamlessly. This ensures compatibility with modern laptops, projectors, and other multimedia sources. Additionally, the projector features a built-in speaker, which enhances the overall presentation experience by providing quality audio without the need for external sound systems.

In terms of technology, the Hitachi ED-A111 utilizes 3LCD technology, which allows for vibrant colors and superior image quality. This approach also ensures that the projector maintains a consistent color balance, reducing the risk of color distortion and providing a lifelike viewing experience. The long-lasting lamp life of up to 5,000 hours further enhances the productivity of the ED-A111, minimizing the need for frequent replacements and reducing overall operational costs.

Another notable characteristic of the Hitachi ED-A111 is its portability. Weighing in at approximately 2.5 kg and featuring a compact design, this projector is easy to transport between different locations, making it a great choice for traveling professionals or educators who need to present in various settings.

Additionally, the ED-A111 offers a range of installation flexibility, with features like vertical keystone correction that helps to adjust the image for optimal viewing angles, ensuring that visuals are always displayed properly regardless of the projection surface.

Overall, the Hitachi ED-A111 stands out as a reliable and highly functional projector that combines advanced technology, user-friendly features, and exceptional portability, making it an excellent choice for educational institutions and businesses alike, looking to enhance their presentation capabilities.