Epson Projector Emp 7850 User Manual

50
Adjusting the Screen ImageEMP-7850 User’s Guide
Press the [Auto/Enter] button on the projectors 
control panel and then select the corner to be 
corrected on the screen. 
You can also press the [Enter] button on the remote control to 
select the corner.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...

51 EMP-7850 User’s Guide
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...

52
Adjusting the Image QualityEMP-7850 User’s Guide
To change the status, press the [Wall Shot] button  
while the status is being displayed on the screen.
For example, if you press the [Wall Shot] button while Wall 
Shot OFF is displayed, the status will change to Wall Shot 
ON and measurement of the projection surface will start.
Colours in the order red → green → blue → black will be 
projected for approximately five seconds while measurement is 
in progress.Once the measurement is finished and colour...

53
Adjusting the Image QualityEMP-7850 User’s Guide
Adjusting Computer Images
Automatic setup detects analogue RGB signals coming from a connected 
computer connected by a computer cable, and automatically adjusts these 
signals so that the optimum images can be obtained.
Automatic setup involves adjustment of the following three items: 
Tracking
, Position and Sync
. 
Automatic Setup
TIP
 If Auto Setup in the Advanced2 menu is set to OFF (the 
default setting for this command is ON), automatic setup is...

54
Adjusting the Image QualityEMP-7850 User’s Guide
l
If vertical stripes appear in the projected images, 
and this cannot be fixed using automatic setup, 
you will need to adjust the tracking
 manually 
using the following procedure.
PROCEDURETracking adjustment 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 adjust the tracking.
For adjustment using the configuration menus: 
See   Video -...

55
Adjusting the Image QualityEMP-7850 User’s Guide
If flickering, fuzziness or interference appear in 
images that are input from the computer, and this 
cannot be fixed using automatic setup, you will 
need to adjust the sync
 manually using the 
following procedure.
PROCEDURESync adjustment 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 adjust the sync.
For adjustment using the configuration...

56
Adjusting the Image QualityEMP-7850 User’s Guide
Selecting the Projection Quality (Colour Mode Selection)
The following five preset colour modes are available for use depending on 
the characteristics of the images that are being projected. You can easily 
obtain the optimum image quality simply by selecting the colour mode that 
corresponds to the projected images. The brightness of the images will 
vary depending on which colour mode is selected.
PROCEDURESelecting the colour mode can be carried out...

57 EMP-7850 User’s Guide
Adjusting the VolumeYou can adjust the volume for the sound from the projectors built-in speaker 
or from the external speakers that are connected to the projector.
PROCEDUREThe volume can be adjusted using either the remote control, the projectors 
control panel or the configuration menus. This procedure explains how to 
use the remote control and the projectors control panel to adjust the 
volume.
For adjustment using the configuration menus: 
See   Audio - Volume p.81Press the...

58 EMP-7850 User’s Guide
Preventing theft (Password Protect)
The projector is provided with a Password Protect function. When 
Password Protect is set to ON, a password entry screen is displayed when 
the power is next turned on after the power plug has been disconnected 
from the electrical outlet, and you must enter a password before projection 
can start. This means that the projector cannot be taken away and used by 
someone else, thereby providing a defence against theft.
The default setting is for...

59
Preventing theft (Password Protect)EMP-7850 User’s Guide
Entering a password with the remote control
Press the [Num] button on the remote control to enter the password.
If you press the [Num] button, it will light up and the remote control 
buttons will change to numeric keypad mode so that you can enter 
numbers.
If you press the [Num] button once more, it will stop lighting up and 
numeric keypad mode will be cancelled.
Changing the Password Protect settings
Follow the procedure given below to...