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Using handy features, Using auto setting, P.26 – Toshiba TDP-T91 User Manual

Page 14: Operations, Correcting the keystone distortion

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27

Operations

26

Using auto setting

This function sets up the projector to the optimum state for
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 displayed 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.45

,

p.46

.

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.

1

Press the SET UP button.

2

Press 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.

• Keystone adjustment will not change the shape of the menus, the start-up screen,

and the background (with no signal input).

Using handy features

Control panel

Remote

Control

Before correction After correction

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

Camera

Y/P

B

/P

R

Video

S-video

Auto. Keystone Automatically corrects the keystone distortion.

Press .

Keystone

Correct the keystone (trapezoid) distortion of the
screen.
Screen shrinking Screen shrinking
downward upward

Auto setting Automatically adjusts items such as the sampling

phase depending on the type of input signal.
Press the SET UP button.

Phase

Adjust with to eliminate flicker.

Frequency

Adjust with to eliminate periodic patterns
and flickering when many vertical lines appear
on the screen.

H-position

Adjust the horizontal position of the image.
Move left Move right

V-position

Adjust the vertical position of the image.
Move down Move up

Clamp 1

Adjusts the clamp pulse position.
Lower Higher

Clamp 2

Adjusts the clamp pulse width.
Narrower Wider

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

Yes

No

No

No

Yes

No

No

No

Yes

No

No

No

Yes

No

No

No

Yes

No

No

No

Yes

No

No

No