Epson Projector Powerlite 1720 User Manual

Fine-Tuning the Projector61
4. Use the  pointer button to select the area of the image you 
want to use. Then press 
Enter.
5. When you see the message 
Select this Image?, highlight Yes 
and press 
Enter. 
6. Use the arrow buttons to select a zoom factor (display size) and 
press 
Enter.
7. When the message 
Save this image as the user’s logo? 
appears, select 
Yes and press Enter. Saving the logo may take a 
few moments. Do not use your projector, remote control, or 
video source while the logo is...

62Fine-Tuning the Projector
Choosing When to Display the Image 
After your image is saved, it is automatically set as the startup screen. 
You can also set it to display as the screen you see when there’s no 
signal or when you press the 
A/V Mute button (see page 30).
1. Press the 
Menu button, highlight the Extended menu, and press 
Enter. 
2. Select 
Display and press Enter.
3. Highlight 
Display Background (for when there is no signal) or 
A/V Mute, and press Enter. 
4. Select 
Logo and press Enter....

Fine-Tuning the Projector63
Customizing Power and Operation
You can use the Extended menu to customize the way the projector 
displays images, enable quick startup, turn sleep mode on or off, and 
customize other projector operations.
■Display
Use this setting to turn off the display of messages, change the 
background color, enable logo display, or turn off the startup 
screen display.
■Closed Caption
Lets you display closed captioning for content that provides it. 
■User’s Logo
Create a custom startup...

64Fine-Tuning the Projector
■Operation
Use this menu to enable the following functions:
Direct Power On to have the projector start when the power 
cable is connected (without pressing the
 PPower button). 
Sleep Mode to have the projector turn off automatically if it is 
idle (and no signal is received) for the amount of time you select 
as the 
Sleep Mode Timer (1 to 30 minutes).
Lens Cover Timer to have the projector turn off automatically 
after 30 minutes when the A/V Mute slide is closed. 
High...

Fine-Tuning the Projector65
Multi-screen Color Adjustment
If you are using multiple projectors in the same room (for example, 
with a distribution amplifier), you can match the color and brightness 
between them.
To match the display colors as closely as possible, first make sure that 
all the projectors are set to the same Color Mode (see page 52) and 
Brightness Control setting (see page 56). Then follow these steps:
1. Assign a different ID to each projector so that you can use the 
remote control to...

66Fine-Tuning the Projector 

67
5
Maintaining the Projector
Your projector needs little maintenance. All you have to do is keep 
the lens clean. You may also need to clean the air filter and vent. A 
clogged air filter or vent can block ventilation needed to cool the 
projector.
The only parts you should replace are the lamp and air filter. If any 
other part needs replacing, contact your dealer or a qualified servicer.
This chapter covers the following:
■Cleaning the lens
■Cleaning the projector case
■Cleaning the air filter and...

68Maintaining the Projector
Cleaning the Lens
Clean the lens whenever you notice dirt or dust on the surface.
To remove dirt or smears on the lens, use lens-cleaning tissue. If 
necessary, moisten a soft cloth with lens cleaner and gently wipe the 
lens.
Cleaning the Projector Case
Before you clean the case, turn off the projector and unplug the power 
cord.
■To remove dirt or dust, wipe the case with a soft, dry, lint-free 
cloth.
■To remove stubborn dirt or stains, moisten a soft cloth with water 
and...

Maintaining the Projector69
Cleaning the Air Filter and Vent
Your projector includes an air filter to ensure the best performance. If 
dust collects on the air filter (on the side of the projector) or vent (on 
the front of the projector), clean them as described below. Dust clogs 
prevent proper ventilation and can cause overheating and damage the 
projector. 
Follow these steps:
1. Turn off the projector. Wait for the P
Power light to stop 
flashing, then unplug the power cord.
2. To clean the intake...

70Maintaining the Projector
Replacing the Lamp and Air Filter
The life span of the projection lamp is about 3000 hours if 
Brightness Control in the Setting menu is set to High (default), and 
4000 hours if 
Brightness Control is set to Low. 
It is time to replace the lamp when: 
■The projected image gets darker or starts to deteriorate.
■The message Replace the lamp appears on the screen when the 
lamp comes on and the lamp warning light   flashes orange. To 
maintain projector brightness and image...