Epson Projector Emp 7800 User Manual

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Adjusting the Screen ImageYou can correct and adjust the screen images in order to obtain the best 
possible pictures.Adjusting the Image Size (Zoom Function)
The size of the projected images is basically determined by the distance 
from the projector to the screen.   p.16
The following procedures explain how to adjust the screen images once the 
projector itself has been set up.PROCEDURETurn the zoom ring on the projector to adjust the image.
If a standard lens is fitted, the images can be enlarged...

41
Adjusting the Screen ImageAdjusting the Image Angle
If the projector is set up so that it is at a horizontal or vertical angle to the 
screen, adjust as follows.
If the images are being projected onto a screen that is higher than the 
position of the projector, extend the front adjustable foot to tilt the 
projector.  p.42
If the images are being projected onto a screen that is lower than the 
position of the projector, lift up the back of the projector to tilt it.
When the projector is tilted in this...

42
Adjusting the Screen Image
The front adjustable foot and the rear adjustable feet can be extended and 
retracted to adjust the tilt of the projector to a maximum of 12º upward and 
4º downward.
PROCEDUREWhile pulling the foot adjust lever at the front of the 
projector, lift up the front of the projector to extend the 
front adjustable foot.
Extend the front adjustable foot until the desired angle is obtained, 
and then release the foot adjust lever.
To retract the front adjustable foot, gently push...

43
Adjusting the Screen ImageManually Correcting Keystone Distortion
This projector is equipped with an automatic keystone correction function 
that detects the vertical angle of the projector during projection and 
automatically corrects vertical keystone distortion. If you would like to 
make further fine adjustments after automatic keystone correction has been 
carried out, or if the projector is tilted horizontally, you can carry out 
keystone correction manually.This projector is equipped with the...

44
Adjusting the Screen Image
When the projector has been tilted vertically, automatic keystone 
correction is carried out so that images with no distortion are projected.
Automatic keystone correction is carried out approximately one second 
after the projector is set up and projection starts. A vertical keystone 
correction gauge appears on the screen while automatic adjustment is in 
progress.
TIP
 The Auto Keystone, H/V-Keystone and Quick Corner 
functions cannot both be used together to correct...

45
Adjusting the Screen Image
Vertical correction and horizontal correction can be carried out using either 
the projectors control panel or the configuration menus. This procedure 
explains how to use the projectors control panel to correct keystone 
distortion.
For adjustment using the configuration menus: - Setting - Keystone - 
H/V-Keystone  p.82
If you use the horizontal correction function when height correction 
adjustment has already been carried out, the height correction adjustment 
will be...

46
Adjusting the Screen Image
When Automatic keystone correction and horizontal correction is carried 
out, the height of the projected images will become shorter. Use the height 
correction function to adjust the height of the projection area.
The height correction function is accessible from the configuration menu.
This cannot be set when vertical correction is carried out.
PROCEDURE
Press the [Menu] button on either the remote control 
or the projectors control panel. Then select Height 
from the...

47
Adjusting the Screen Image
Quick Corner correction can be carried out using either the projectors 
control panel or the configuration menus. This procedure explains how to 
use the projectors control panel to correct keystone distortion.
If using the configuration menu: Setting - Keystone - Quick Corner 
 p.82
PROCEDURE
Press the [ ], [ ], [ ] or [ ] button on the 
projectors control panel.
The Quick Corner correction screen will be displayed.
Press the [Auto/Enter] button on the projectors 
control...

48
Adjusting the Screen Image
Press the [ ], [ ], [ ] and [ ] buttons on the 
remote control to correct the angle position.
You can also tilt the [ ] button on the remote control to correct 
the angle position.
When the adjustment is complete, press the [Menu] 
button on either the remote control or the projectors 
control panel to close the configuration menu.
3
[          ]:Adjust[    ]      :Move next[ESC]   :Return (Press 1 second to
reset)/
Screen
TIP
 If you press down the [ESC] button on the...

49
Adjusting the Image QualityThe 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...