Toshiba TDP-TW90A Using handy features, Using auto setting, Correcting the keystone distortion

Models: TDP-TW90A

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Using handy features

Using auto setting

This function sets up the projector to the optimum state for

Control panel

Remote

Control

each type of the input signal by using simple operations.

 

 

 

 

1 Press the SET UP button.

The Set up menu appears.

2 Press the SET UP button again.

The menu item is automatically adjusted/set.

For computer input, the icon will appear during processing.

For manual adjustment and setting, see the following table p.27 .

Note

The image may not be projected or auto adjustment/setting may not be performed correctly for input signals other than those supported by the projector p.69 , p.70 .

Correcting the keystone distortion

When the foot adjuster p.25 is used to change the projector placement angle while projecting the image, the picture will undergo keystone (trapezoidal) distortion. This projector is capable of correcting this keystone distortion.

Before correction After correction

1Press the SET UP button.

2Press the button.

The keystone distortion is automatically corrected. The icon appears during this correction.

Manual adjustment

Press the SET UP button to display the Set up menu and select [Keystone]. Use

the buttons for keystone adjustment. When the adjustment is finished, press the RETURN button. The menu disappears.

Notes

Depending on the amount of keystone adjustment and the content of images, some information may be lost, or the picture quality may suffer.

Keystone adjustment is available for the keystone distortion in a slant angle of ±15 degrees.

Manual adjustments and settings

The menu items of the Set up menu vary depending on the input type, as shown in

the table below.

Use the buttons to adjust the items in the table below, then press the RETURN button when you are finished.

Select Item

 

 

Description

Computer

Y/PB/PR

Video

PC

 

 

S-video

card

Auto. Keystone

Automatically corrects the keystone distortion.

Yes

Yes

Yes

Yes

 

Press .

 

 

 

 

 

 

 

 

 

 

 

 

Keystone

Correct the keystone (trapezoid) distortion of the

Yes

Yes

Yes

Yes

 

screen.

 

 

 

 

 

 

 

Screen shrinking

Screen shrinking

 

 

 

 

 

downward

 

upward

 

 

 

 

 

 

 

 

 

 

Auto setting

Automatically adjusts items such as the sampling

Yes

No

No

No

 

phase depending on the type of input signal.

 

 

 

 

 

Press the SET UP button.

 

 

 

 

 

 

 

 

 

 

 

 

Phase

Adjust with

 

to eliminate flicker.

Yes

No

No

No

 

 

 

 

 

 

 

 

Frequency

Adjust with

 

to eliminate periodic patterns

Yes

No

No

No

 

and flickering when many vertical lines appear

 

 

 

 

 

on the screen.

 

 

 

 

 

 

 

 

 

 

 

H-position

Adjust the horizontal position of the image.

Yes

No

No

No

 

Move left

Move right

 

 

 

 

 

 

 

 

 

 

V-position

Adjust the vertical position of the image.

Yes

No

No

No

 

Move down

 

Move up

 

 

 

 

 

 

 

 

 

 

 

 

Clamp 1

Adjusts the clamp pulse position.

Yes

No

No

No

 

Lower

Higher

 

 

 

 

 

 

 

 

 

 

Clamp 2

Adjusts the clamp pulse width.

Yes

No

No

No

 

Narrower

Wider

 

 

 

 

 

 

 

 

 

 

 

 

Operations

26

27

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Toshiba TDP-TW90A owner manual Using handy features, Using auto setting, Correcting the keystone distortion