Troubleshooting

Phenomena that may be easy to be mistaken for machine defects (continued)

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

 

 

Video screen

The FREEZE function is working.

28

display freezes.

Press FREEZE button to restore the screen to normal.

 

Colors have a

Color settings are not correctly adjusted.

35, 40

Perform picture adjustments by changing the COLOR TEMP, COLOR,

faded- out

TINT and/or COLOR SPACE settings, using the menu functions.

 

appearance, or

 

 

COLOR SPACE setting is not suitable.

 

Color tone is

40

poor.

Change the COLOR SPACE setting to AUTO, RGB,

 

SMPTE240, REC709 or REC601.

 

 

The brightness and/or contrast are adjusted to an

 

 

extremely low level.

34

 

Adjust BRIGHTNESS and/or CONTRAST settings to a

 

 

Pictures appear

higher level using the menu function.

 

The projector is operating in Eco mode.

 

dark.

Set ECO MODE to NORMAL, and set AUTO ECO MODE to

45, 46

 

OFF, in the SETUP menu.

 

 

The lamp is approaching the end of its product lifetime.

97, 98

 

Replace the lamp.

 

 

 

Either the focus and/or horizontal phase settings are

 

 

not properly adjusted.

25, 39

Pictures appear

Adjust the focus using the focus ring, and/or H PHASE

 

blurry.

using the menu function.

 

 

The lens is dirty or misty.

102

 

Clean the lens referring to the section “Caring for the lens”.

 

 

 

When the projector is operating in Eco mode, flickering

 

 

may appear on screen.

45, 46

 

Set ECO MODE to NORMAL, and set AUTO ECO MODE to

Some kind

 

OFF, in the SETUP menu.

 

of image

 

 

The OVER SCAN ratio is too big.

 

degradation

37

Adjust OVER SCAN in the IMAGE menu smaller.

such as

 

flickering or

Excessive VIDEO NR.

40

stripes appear

Change the setting of VIDEO NR in the INPUT menu.

on screen.

 

The FRAME LOCK function cannot work on the current

 

 

 

 

input signal.

42

 

Set FRAME LOCK in the INPUT menu to OFF.

 

(continued on next page)

 

111

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Image 111
Hitachi IPJ-AW250NM Freeze function is working, Color settings are not correctly adjusted, Lens is dirty or misty
Page 110 Page 112

IPJ-AW250NM specifications

The Hitachi IPJ-AW250NM is an advanced interactive projector that caters to the needs of modern classrooms and meeting spaces. Designed for versatility and ease of use, it combines vivid image quality with innovative features that enhance collaboration and engagement.

One of the standout features of the IPJ-AW250NM is its impressive brightness level, reaching up to 2500 lumens. This ensures that images remain clear and vibrant even in well-lit environments, making it perfect for various applications. Whether used for presentations, educational purposes, or interactive workshops, the projector provides consistent performance.

Resolution-wise, the IPJ-AW250NM offers WXGA (1280 x 800) resolution, delivering sharp and detailed visuals. This resolution is particularly beneficial for displaying text-heavy content, such as spreadsheets and documents, as well as multimedia presentations, ensuring that every detail is easily visible to the audience.

In terms of interactivity, the IPJ-AW250NM is equipped with Hitachi's advanced interactive features, allowing users to engage with the content directly on the projection surface. This capability fosters collaboration among participants, as multiple users can interact simultaneously, making it ideal for brainstorming sessions and group activities.

The projector incorporates advanced technologies such as HDMI connectivity, allowing for seamless integration with various devices like laptops, tablets, and multimedia players. This flexibility enhances the user experience, enabling quick and easy setup for any presentation scenario.

Additionally, the IPJ-AW250NM boasts a long lamp life of up to 5000 hours in standard mode, significantly reducing maintenance and replacement costs over time. The projector also includes various Eco modes that optimize energy efficiency while maintaining quality output.

Portability is another highlight of the IPJ-AW250NM, as it is designed for easy transport between locations. Its lightweight design, combined with a compact structure, makes it convenient for users who need to move the projector between different classrooms or offices effortlessly.

Overall, the Hitachi IPJ-AW250NM interactive projector stands out for its combination of high brightness, interactive capabilities, and user-friendly features. Whether in education or business, it presents an opportunity to transform presentations and foster collaborative environments, ultimately enhancing the overall effectiveness of communication.
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