Manual Epson emp 7850 (page 52 of 142) (English)

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EMP-7850 User’s Guide

Adjusting the Image Quality

The quality of the projected images can be adjusted as follows.

Projecting Easy-to-see Images Without a Screen

(Wall Shot)

When the Wall Shot function is used, images can be projected without loss

of original colour even onto surfaces such as blackboards and coloured

wall surfaces which are being used instead of a screen. For example, if

projecting onto a green blackboard, the projected images would normally

appear greenish and be very difficult to see. The Wall Shot function uses a

sensor to measure the condition of the projection surface and automatically

adjusts the colour of the projected images based on these measurements.

The Wall Shot function also allows shading to be adjusted. If projecting

onto a screen that is located near a window, the Wall Shot function can be

used to obtain clear images when they might otherwise appear faded.

PROCEDURE

The Wall Shot function can be operated using either the remote control or

the projector's control panel.

Press the [Wall Shot] button on either the remote

control or the projector's control panel while the

images are being projected.

When the button is pressed, the current status is displayed on

the screen.

TIP

• Wall Shot can be used for adjustment if the projection distance is

within approximately 80–1000 cm (2.6–32.8 ft.). However, this

distance will vary depending on the condition of the projected

surface, for instance if the projection surface is an extremely

reflective surface such as a whiteboard, or if it is a highly non-

reflective surface such as a dark wall.

• The sensor may not be able to correctly measure the condition of the

projection surface if you are projecting on a striped or patterned

wall. In this event, Wall Shot may not be able to correctly adjust the

color of the projected images.

Remote control

Wall Shot ON

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Epson emp 7850 Manual

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