Panasonic PT-D5700 Ayarlama Kılavuzu - Sayfa 15

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The next step is brightness adjustment.

Please use lamps that have the same usage life for all projectors. If the lamps used have

different usage life, the brightness will not match. (The use of new lamps for all projectors

is strongly recommended).

If the projectors' brightness are different, it is necessary to make optical adjustment. Use the

internal all white test pattern. Use the internal all black test pattern.

On 3 DLP use "manual iris" function to match optical brightness.

On 1 DLP use "white gain" control of the color wheel white segment, to match optical

brightness.

Do not use "contrast" or "brightness" electric control to match projectors' optical

brightness.

The room should be made as dark as possible. Increase brightness using BRIGHT INSIDE

from the BRIGHT ADJUST menu to make the [joined] part visible.

The next step is to reduce the brightness of the inside area produced by the excess light

from the opposite projector by changing the values of the top, bottom, left and right (UPPER,

LOWER, LEFT, RIGHT).

Then match the brightness of the overlapped area and the brightness increased using the

BRIGHT INSIDE adjustment. Finally, match the brightness of the area that has been

modified by changing the numbers from the effective image area using the brightness

outside (BRIGHT OUTSIDE) adjustment.

* The steps above describe the adjustments for making an area affected by excess light as

invisible as possible, and matching the brightness level of the two projectors. The excess

light outside the image area is almost at the same level as that inside but gradually fades

out towards the edge.

The best width should be determined in each location by considering the external light

coming into the screen.

Brightness level of the left projector

(Brightness level inside adjustment)

Excess light from the right

projector (Brightness level outside

adjustment)

Brightness level created by

the two projectors

Excess light from the left projector

(Brightness level outside adjustment)

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