Toshiba TLP-S201 Manuel du propriétaire - Page 24

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Using the document camera (Continued)

I Using the overlay function

The overlay function can be used to write over computer or video input images.

Have a piece of white paper, and a red or blue pen ready.

Place the piece of white paper on a flat surface,

photograph it with the document camera, and

display it on the screen.

Adjust the camera head and arm so that the white paper fills

the screen.

Select the input that the overlay function is performed.

Press the INPUT button, use the

input, then press the

button.

Press the OVERLAY button.

The overlay function comes on.

(Press it again to turn off the function.)

Write on the paper with a red or blue pen.

Before writing, check the position of the pen tip on the screen.

The line written overlays the input source's image on the

screen.

Use the CAMERA GAIN (+/–) button to adjust the lines

or text so that it is easiest to see.

Notes

• The writing will not be displayed properly if using colors other than blue or red.

• The writing may not be displayed properly if the pen is too fine.

I Locking the white balance

Although the projector's camera is constantly adjusting the color balance of the images

it photographs, the color balance may be disrupted, depending on the color layout of

the document, etc. If this happens, the white balance can be locked using the

procedure below.

Lay down a piece of white paper, and adjust so it fills

the screen.

Adjust the camera head and arm so that the white paper fills

the screen completely.

buttons to select an input other than Camera

W.BALANCE

OVERLAY

LOCK

STORE

CAMERA

IMAGE

GAIN

RGB picture

Press the W.BALANCE button. The LOCK indicator lights.

The white balance is locked.

The white balance returns to automatic adjustment when

pressing the W.BALANCE button again. Then LOCK indicator

goes out.

Notes

• When the white balance is locked (the LOCK indicator is lit), folding and extending the

arm will automatically return to automatic adjustment.

• The color of the room lighting may prevent the white balance from being adjusted to the

optimum level. In this situation, or if you want to use a certain tinting, adjust the R-level,

G-level, and B-level on the Image adjustment menu

ARM LIGHT

CAMERA

I Correcting illuminated defects

Screen

In rare cases, a portion of the pixels of CCD image sensor used by the camera could be

damaged by cosmic rays and the like. This damage could cause white spots

(illuminated defects) to appear on the screen. If illuminated defects appear in the

images of the document camera, correct them as follows:

Paper

With the document camera in use, cover the

camera lens completely with black paper, cloth, or

the like.

Press the ARM LIGHT button on the Camera control panel and the

button on the control panel (main unit side) simultaneously.

control

buttons cannot be used.)

The illuminated defects are corrected.

PRECAUTION

• Do not press both the ARM LIGHT button and

blocked. Doing so will erase correction data that has already been stored, or add

corrections to normal areas. This should also take care when camera input is not

selected.

Lit

W.BALANCE OVERLAY

LOCK

STORE

CAMERA

IMAGE

GAIN

p.53

Camera lens

(The remote

button when the camera lens is not

ARM LIGHT

CAMERA