Epson Projector Powerlite 50c User Manual

							36Using the Projector
Shutting Down the Projector
When you’ve finished using the projector, follow the recommended 
procedure to shut it down. This extends the life of the lamp and 
protects the projector from possible overheating.
1. If you’ve connected a computer or laptop and it’s displaying only 
through the projector, shut down the computer first; otherwise 
you won’t be able to see your computer’s display if you try 
turning it off after the projector. 
2. Press the red 
Power button on top of the projector or on the 
remote control. You see a confirmation message. (If you don’t 
want to turn it off, press any other button.)
3. Press the 
Power button again. The Power light flashes 
orange for a couple of minutes as the projector cools down. When 
the projector has cooled, the orange 
Power light stays on and 
the fan shuts off.
If you want to turn the projector on again, wait until the orange 
Power light stops flashing. Then press the Power button.
4. Replace the lens cap, retract the projector feet, and unplug the 
power cord. Also turn off the remote control, if you were using it.
5. If you’re using a VCR or other video source, turn it off after you 
turn off the projector.
6. Disconnect all equipment, and store the projector in a protective 
case.
note
If sleep mode is enabled and 
the projector has not received 
any input signals for 
30 minutes, it automatically 
turns off the projector lamp 
and enters “sleep mode.” This 
conserves electricity, cools the 
projector, and extends the life 
of the lamp. In sleep mode, 
the 
Power light is orange. 
If you are done using the 
projector, unplug the power 
cord. If you want to start 
projecting again, press the 
Power button on the 
projector or the remote 
control. 
Power
button
power off confirmation message
caution
To avoid damaging the 
projector or lamp, never 
unplug the power cord when 
the 
Power light is green or 
flashing orange. 
						

							3
Fine-Tuning the Projector37
Fine-Tuning the Projector
You can use the on-screen menus to adjust the image, sound, and 
other features of your projector. This chapter covers the following 
information:

Using the menus

Adjusting the image

Adjusting the sound

Customizing the highlighting tools

Customizing projector features

Viewing projector information

Restoring the default settings
Using the Menus
These on-screen menus let you adjust and customize the projector 
features from the remote control:

Video controls the look and quality of the projected image (from 
a computer or video source). 

Audio adjusts the sound volume and tone.

Effect customizes the highlighting tools available on the remote 
control.

Setting adjusts features such as the keystone setting, blank screen 
color, message prompt, and sleep mode. 

Advanced controls settings such as menu language, color 
intensity, and rear or ceiling projection.  
						

							38Fine-Tuning the Projector

About provides information about the current projector and 
lamp settings, and lets you reset the lamp timer when you’ve 
replaced the projector’s lamp.

Reset All restores the factory defaults to all the projector settings.
Changing Menu Settings
You use the Menu, Enter and Esc buttons on the remote control to 
change menu settings.
1. To display the main menu, press the 
Menu button. The menus 
are displayed on the left, and the options available for the current 
menu are shown on the right.
2. Press the top or bottom of the 
Enter button to scroll up or down 
through the menus and view the available options.
3. Press the center of the 
Enter button to select a menu. The 
highlight moves to the first menu option for that menu.
4. Press the bottom or the top of the 
Enter button to scroll through 
the options. Press the right or left side of the 
Enter button to 
change the setting.
If you want to go back to the default settings on any menu, select 
Reset, press Enter, select Yes, and then press Enter.
5. Press the 
Esc button to save your changes and go back to the 
main menu. 
6. Press the 
Menu button to exit the menu system.
The rest of this chapter describes the menu options.
Menu 
button
Esc 
button Enter 
button 
						

							Fine-Tuning the Projector39
Adjusting the Image
You can make a variety of image adjustments with the Video menu. 
The options available in the menu depend on which source is 
connected to the projector: computer or video.
Computer or component video source menu Video source menu
Video menu
Menu item Description
Position Moves the displayed image up, down, left, or right. Use the Enter button to move the 
screen position in the corresponding direction.
Tracking* Removes vertical lines from the computer image by matching the projector’s internal 
clock to various computer graphic signals.
Sync* Corrects fuzziness or screen flicker by synchronizing the projector with the computer’s 
tracking signal. Always adjust the Tracking before adjusting the Sync.
Brightness Lightens or darkens the overall image. Increase brightness to lighten an image, or 
decrease it to darken the image. Press the right or left side of the Enter button to 
adjust the setting and see the results.
Contrast Adjusts the difference between light and dark areas. Increase the contrast to make 
light areas lighter and dark areas darker. Decrease it to minimize the difference 
between light and dark areas. Press the right or left side of the Enter button to adjust 
the setting and see the results.
Color** Adjusts the color depth of the video input source. Increase the color setting for more 
intense color on the screen, and lower the setting for less intense color. Press the 
right or left side of the Enter button to adjust the setting and see the results.
Tint** Adjusts the tint of the video image colors. Increasing the Tint setting strengthens the 
red tint. Decreasing it strengthens the green tint. Press the right or left side of the 
Enter button to adjust the setting and see the results. 
						

							40Fine-Tuning the Projector
* Available only when Computer is selected as the input source.
** Available only when Video is selected as the input source.
*** Available only when you’re projecting component video images.
Sharpness Adjusts the sharpness of the image. (If keystone correction adversely affects the 
image, decrease the Sharpness setting.) Press the right or left side of the Enter button 
to adjust the setting and see the results.
Gamma Adjusts the vividness of image colors. 
Choose Dynamic for distinctly contrasted images, such as charts. 
Choose Normal to select medium contrast. 
Choose Natural to weaken contrast for more naturally colored images, such as 
photographs.
Input Signal* Selects the input signal of your computer or component video equipment.
Choose RGB for computer images.
Choose YUV for component video images.
Choose YCbCr for DVD images.
Choose YPbPr for HDTV images.
Auto Setup* Set to ON to have the projector automatically optimize the computer image for 
projection.
Mode** Selects the video image signal mode: Automatic or Manual. (For PAL 60 Hz mode, set 
to Manual.)
Aspect 
Ratio***Selects the aspect ratio for YCbCr or YPbPr component video images.
Reset Returns all Video menu settings to their factory defaults.
Video menu
Menu item Description 
						

							Fine-Tuning the Projector41
Adjusting the Sound
You can use the Audio menu to adjust the sound volume or quality.
* For component video sources, select Video.
Customizing the Highlighting Tools
You can use the Effect menu to customize the highlighting tools, as 
described on page 35, and set the cursor speed.  Audio menu
Menu item Description
Volume Adjusts the sound volume level output from the projector. Press the right or left side 
of the Enter button to adjust the setting.
Tone Adjusts the sound quality by increasing or decreasing the treble. Press the right or left 
side of the Enter button to adjust the setting.
Audio Input* Selects the audio input source. Select Auto to automatically choose the current video 
input source, or select Computer or Video exclusively.
Reset Returns the Audio menu settings to their factory defaults.
Effect menu
Menu item Description
Cursor/Stamp  Selects the stamp you want to use as the cursor graphic and lets you enlarge it.
Horizontal Bar Selects the color and width of the horizontal bar. 
Cursor Speed Adjusts the cursor speed to Low, Medium, or High.
Reset Returns the Effect menu settings to their factory defaults. 
						

							42Fine-Tuning the Projector
Customizing Projector Features
You can use the Setting menu and the Advanced menu to adjust a 
variety of projector functions.
* You can also use the Keystone button on the projector to adjust this setting. If the image is noticeably uneven, 
reduce the Sharpness setting on the Video menu.
Setting menu
Menu item Description
Keystone Corrects a trapezoid-shaped, distorted image to a 4:3 ratio rectangle, adjusting up to a 
±15° tilt. Press the right or left side of the Enter button to adjust the setting and see 
the results.*
No-Signal/Msg Specifies whether no screen, a black screen, or a blue screen is projected when no 
video signals are received.
Prompt Controls whether the projector displays a temporary message indicating the current 
input source (Computer or Video).
A/V Mute Controls whether the projector displays a blue or black screen when the A/VMute 
button is pressed.
Sleep Mode Enables or disables sleep mode, which turns off your projector’s lamp when it hasn’t 
received any image signals for 30 minutes. Press the Power button on the projector 
or the remote control to resume projection. 
Reset Returns the Setting menu options to their factory defaults.
Advanced menu
Menu item Description
Language Selects the language the projector uses in the menus: English, French, German, 
Italian, Spanish, Portuguese, Japanese, Chinese, or Korean.
Color Setting Selects the color temperature and RGB (red, green, blue) settings of the image. 
Increasing the color temperature creates cooler whites and decreasing it creates 
warmer whites. Increasing the RGB intensity strengthens the colors and decreasing it 
weakens the colors.
Rear Proj. Mirrors the projected image on its left-right axis so it appears correctly when you’re 
projecting from behind onto a transparent screen. 
Ceiling Flips the projected image on its top-bottom axis so it appears correctly when you 
mount the projector upside-down from the ceiling. 
Reset Returns the Advanced menu settings to their factory defaults. 
						

							Fine-Tuning the Projector43
Viewing Projector Information
The About menu lets you view information about the display settings 
of your computer, your video signal mode, and the number of hours 
the lamp has been used. The options available in the menu depend on 
which source is connected to the projector: computer or video.
* Available only when Computer is selected as the input source.
** Available only when Video is selected as the input source.
note
The life span of the projector 
lamp is approximately 1500 
hours. If the number shown 
in the About menu is close to 
1500, make sure you have a 
spare lamp handy. See page 6 
for part number and ordering 
information.
Computer or component video source menuVideo source menu
About menu
Menu item Description
Lamp Displays the number of hours the current lamp has been used.
Reset lamp timer Sets the cumulative lamp time to zero; use this when you’ve replaced the 
projector lamp, as described on page 48.
Video Source Displays the currently selected input source: Computer or Video.
Input Signal* Displays the computer or component video input signal.
Frequency* Displays the projector’s horizontal and vertical frequency.
Sync Polarity* Displays the computer’s sync polarity.
Sync Mode* Displays the computer’s sync mode.
Resolution* Displays the resolution of the computer’s video output.
Refresh Rate* Displays the refresh rate of the computer’s video output.
Video Signal** Displays the input image signal mode. 
						

							44Fine-Tuning the Projector
Restoring the Default Settings
The Reset All setting lets you return all the projector’s menu settings 
to their initial factory defaults, except for the Lamp and Language 
settings. 
Select 
Reset All and press the Enter button on the remote control to 
display the confirmation screen. Select 
Yes to reset all the default 
settings or 
No to cancel. 
						

							4
Maintaining and Transporting the Projector45
Maintaining and 
Transporting the Projector
Your projector needs little maintenance. All you need to do on a 
regular basis is keep the lens clean. Any dirt or smears on the lens will 
show up on your projected image. 
You also need to periodically clean the air intake vent on the side of 
the projector. A clogged vent can block ventilation needed to cool the 
projector and keep it from overheating. 
The only parts you should replace are the lamp and air intake vent (if 
necessary). If any other part needs replacing, contact your dealer or a 
qualified service person.
This chapter covers the following:

Cleaning the lens

Cleaning the projector case

Cleaning the air intake vent

Replacing the lamp

Transporting the projector
warning
Before you clean any part of 
the projector, turn it off and 
unplug the power cord. Never 
open any cover on the 
projector, except the lamp 
cover. Dangerous electrical 
voltages in the projector can 
injure you severely. Do not 
try to service this product 
yourself, except as specifically 
explained in this User’s 
Guide. Refer all other 
servicing to qualified service 
personnel.