Epson Projector Megaplex Mg 850hd User Manual

Using the Projector Security Features51
You can also reset the lamp usage timer or restore all the projector settings to their original 
values. Follow these steps:
1. Press the 
Menu button on the remote control.
2. Open the 
Reset menu.
3. Do one of the following:
■Select Reset Lamp Hours to clear the lamp usage timer and reset it to zero. 
You should reset the lamp timer only when you install a new projector lamp. See 
page 63 for more information.
■Select Reset All to return all projector settings to...

52Making Detailed Adjustments
■Secure the projector to prevent theft using a cable locking system. See page 56 for more 
information.
Creating Your Own Startup Screen
You can transfer any image from your computer or video source to the projector and then use 
it as your startup screen. You can also use it as the screen displayed when the projector is not 
receiving a signal or when you press the 
 A/V Mute button. The image can be a company 
logo, slogan, photograph, or any other image you want to use....

Using the Projector Security Features53
6. Use the u, d, l, or r buttons to select a zoom factor (display size) and press the enter 
button.
7. When the message 
Save this image as the User’s Logo? appears, select Yes and press 
the enter button. Saving the logo may take a few moments. Do not use your projector, 
remote control, or video source while the logo is being saved.
8. When you see the message 
Completed, press Menu to exit.
Choosing When to Display the Image
After your image is saved, you can...

54Making Detailed Adjustments
■Control Panel Lock to disable all the buttons on the projector’s control panel. A 
message appears on the screen whenever you press a button with Control Panel Lock 
turned on. To operate the projector, you must use the remote control.
4. Press 
Menu to exit the menu system. 
If you turned on the Control Panel Lock, the projector buttons are now locked.
If you turned on the Child Lock, turn off the projector and let it cool down. The Child 
Lock takes effect after the...

Using the Projector Security Features55
To change your password:
1. Use the remote control to select 
Password and press the enter button. 
Note: The default password is “0000”.
2. A confirmation screen will ask you if you want change the password. Select Yes.
Note: Once you select Yes, you must enter a password. The password can be the same as the 
previous password.
3. Enter the password using the u, d, l, r or enter buttons. The password will be displayed 
as ****. The numeric values of the buttons...

56Making Detailed Adjustments
iPod Management
You can register up to 10 iPods with your projector. A registered iPod can act like a password 
when iPod Protection is enabled. To register your iPod:
1. Connect your iPod to the projector.
2. Press the 
Aspect button on the remote control and hold it for about 5 seconds to access 
the 
Password Protect menu.
.
3. Use the remote control to select iPod Management.
4. Use the remote control to highlight a blank space under iPod Serial Number, and press 
the...

Using the Projector Security Features57
Using Security Locking
The projector includes two security locking points to prevent theft.
■Security cable. You can attach a commercially available security cable as shown below to 
secure the projector to a table or ceiling mount.
■Kensington security slot. The security slot (located on the side of the projector) is 
compatible with the MicroSaver® security systems manufactured by Kensington. You can 
purchase this lock from Epson (see page 10). 
Security cable...

58Maintenance
Maintenance
Your projector needs little maintenance. All you need to do on a regular basis is keep the lens 
clean. You also may need to clean the air filter to prevent overheating.
Warning: Before you clean any part of the projector, turn it off, unplug the power cord and let it 
cool down. Never open any cover on the projector, except the lamp and filter covers. Dangerous 
electrical voltages in the projector can injure you severely. Do not try to service this product 
yourself, except as...

Cleaning and Replacing the Air Filter59
Cleaning and Replacing the Air Filter
Your projector includes an air filter to ensure the best performance. If dust collects on the air 
filter, clean it as described below. Dust clogs prevent proper ventilation and cause overheating 
and damage to the projector.
1. Press the Ppower button and wait for the Ppower light to stop flashing and for the 
projector to cool down.
2. Unplug the power cord and disconnect any cables. 
3. If using an iPod, remove the iPod and...

60Maintenance
7. Use a small vacuum cleaner that is designed for computers and other office equipment to 
remove any dust from the surface of the filter. If you don’t have one, gently clean the 
filter using a very soft brush (such as a clean artist’s paintbrush).
If the dirt is difficult to remove or the filter is broken, replace it. You can purchase air 
filter part number V13H134A31 from an authorized Epson reseller. To find the nearest 
reseller, please call 800-GO-EPSON (800-463-7766). To purchase...