Epson Projector Emp 7900 User Manual

130
Maintenance
Pull out the air filters.
Insert a flat-tipped screwdriver into the hollow as 
shown in the illustration below, and then pull it 
straight upwards.
The projector has two air filters.
Fold out the handle before removing the air filter at the side.
Insert the two new air filters, and push them in until 
they click into place.
2
3
TIP
Dispose of used air filters properly in accordance with your local 
regulations.
Air filter frame: Polycarbonate, ABS plastic
Air filter: Polyurethane foam 

131
Saving a Users LogoYou can record the image that is currently being projected as a users logo.
PROCEDURE
Project the image that you would like to use as a 
users logo, and then press the [Menu] button on 
either the remote control or the projectors control 
panel.Select the Users Logo menu, and then press the 
[Enter] button on the remote control or the [Auto/
Enter] button on the projectors control panel.
Select Yes in the sub-menu, and then press the 
[Enter] button on the remote control or the...

132
Saving a Users Logo
The image to be recorded and a selection marquee 
box will be displayed, so move the marquee box to 
select the part of the image to use.
Tilt the [ ] button on the remote control or press the [ ], 
[ ], [ ] and [ ] buttons on the projectors control panel to 
select the part of the image to use as the users logo, and then 
press the [Enter] button on the remote control or the [Auto/
Enter] button on the projectors control panel.
Select Yes at the confirmation screen, and then...

133
Saving a Users Logo
Select Yes at the confirmation screen, and then 
press the [Enter] button on the remote control or the 
[Auto/Enter] button on the projectors control panel.
The image will then be saved. Once the image has been saved, 
the message Completed. will be displayed.
7
Save image as users logo?If you save it, the previous users logo willbe overwritten.
YESNO Users Logo
TIP
 Saving the users logo may take a few moments (about 15 seconds). 
Do not use the projector or any other sources...

134
Optional Accessories and ConsumablesThe following optional accessories are available for purchase if required. This list of optional accessories is current as of September 2004. Details of accessories 
are subject to change without notice.
*1 The 40 Billboard Vision screen and the long throw zoom lens cannot be used together.
*2 A special method of installation is required in order to suspend the 
projector from the ceiling. Please contact your supplier if you would 
like to use this installation...

135
Optional Accessories and Consumables
ConsumablesSpare lamp ELPLP22
(Set with spare lamp and two spare air filters)
Use as a replacement for spent lamps.Filter kit (3 sets of 2 air filters (total 6)) ELPAF01
Use as a replacement for spent air filters. 

136
GlossaryThe following table contains explanations of some of the terms used in this guide which may be unfamiliar or which are not explained in the text of the guide. 
Further information can be obtained by referring to other commercially-available publications.
3-2 pull-down function
This function directly converts image sources that have been recorded in the same 24-frame format used for movies into 60-
frame progressive signals. This allows data such as DVD software that has been recorded in...

137
Glossary
HDTV
An abbreviation for High-Definition Television. It refers to high-definition systems which satisfy the following conditions.
Vertical resolution of 750p or 1125i or greater (p = progressive
gscanning, i = interlaced
gscanning)
Screen aspect ratio
gof 16:9
Dolby Digital
gaudio reception and playback (or output)
Interlaced
A method of image scanning whereby the image data is divided into fine horizontal lines which are displayed in sequence 
starting from left to right and then from...

138
Glossary
S-Video
A video signal which has the luminance component and colour component separated in order to provide better image quality.
It refers to images which consist of two independent signals: Y (luminance signal), and C (colour signal).
SXGA
A type of video signal with a resolution of 1280 (horizontal) × 1024 (vertical) dots which is used by IBM PC/AT-compatible 
computers.
Sync (Synchronisation)
The signals output from computers have a specific frequency. If the projector frequency does not...

139
List of ESC/VP21 CommandsCommand List
When a power on command is sent to the projector, the power will turn on 
and the projector will change to warm-up mode. When the power has 
turned on, a colon : (3Ah) will be returned.
When the projector executes a command, it returns a : and waits for the 
next command to be sent.
If command processing terminates with an error, the projector outputs an 
error message and then returns the : code.
* When issuing any of the above commands, tack a Carriage Return...