Epson Powerlite 77c Multimedia Projector Users Guide

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Fine-tuning the Projector 
You can use the Menu button on the projector or remote control to 
access on-screen menus to adjust the image, sound, and other features. 
This chapter covers the following information:
■Using the menu system
■Adjusting image colors and clarity
■Adjusting the input signal
■Customizing projector features
■Selecting projector setup options
■Viewing lamp usage and other information
■Using the projector’s security features
■Restoring the default settings 

52Fine-tuning the Projector
Using the Projector’s Menu System
The six projector menus let you adjust and customize the projector 
features:
■The Image menu lets you modify the colors of the projected 
image and fine-tune brightness, contrast, and sharpness.
■The Signal menu lets you make adjustments to the input signal. 
You can select your input source, change the image position and 
aspect ratio, and adjust tracking and sync for computer images.
■The Settings menu lets you customize the way you use the...

Fine-tuning the Projector53
Changing Menu Settings
Use the buttons on the remote control or on the projector to access 
the menus and change settings. Follow these steps:
1. Press the 
Menu button on the remote control or projector to 
display the menu screen:
The six menus are listed on the left, and the options available for 
the highlighted menu are shown on the right. 
2. Use the up and down arrow buttons on the projector or remote 
control to scroll through the menu list. When you’ve highlighted...

54Fine-tuning the Projector4. After highlighting the option you want to adjust, use the 
Vol– or 
Vol+ button on the remote control or left or right arrow buttons 
on the projector to change the setting. In some cases, you may 
have to press the 
Enter button to see a sub-screen for changing 
the setting.
■Press the Vol– or Vol+ button on the remote control or the 
left or right arrow buttons on the projector to adjust a slider 
bar.
■To select from two or more settings, use the Vol– or Vol+ 
buttons or...

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Adjusting Colors and Clarity
The Image menu lets you make adjustments to the colors of the 
projected image and fine-tune brightness, contrast, and sharpness. 
The options available depend on which image source is selected:
 
Follow these steps to adjust the appearance of your image: 
1. Press the 
Menu button. You see the main menu.
2. Press 
Enter to select the Image menu.
Computer (analog-RGB) and RGB video
Component, composite, and S-Video 

56Fine-tuning the Projector3. Use the up and down arrow buttons and press 
Enter to select any 
of the following options:
■Color Mode 
Corrects the vividness of image color. You can select from the 
following settings, and save a different one for each computer 
and/or video source:
Photo: For projecting still images with vivid color in a bright 
room (Computer input only).
Sports: For watching TV in a bright room (component, 
S-Video, or composite video input only).
Presentation: For color presentations...

Fine-tuning the Projector57
■Sharpness 
Sharpens or softens the image.
■Color Temp.
Adjusts red and blue tones. A lower color temperature 
produces an image with more red (warmer tones), while a 
higher color temperature produces an image with more blue 
(cooler tones).
■Color Adjustment 
Adjusts the temperature and intensity of red, green, and blue.
4. When the image is set correctly, press 
Esc or Menu. Your settings 
are automatically saved. 

58Fine-tuning the Projector
Adjusting the Input Signal
Although the projector normally detects and optimizes the input 
signal automatically, you can use the Signal menu to make manual 
adjustments. In addition to changing the position of the projected 
image, you can correct tracking and sync for computer images, or 
change the aspect ratio to widescreen format for video images. 
1. Press the 
Menu button. You see the Image menu.
2. Select the 
Signal menu. You see one of the following screens:
Computer...

Fine-tuning the Projector59
3. Press Enter. Then use the up and down arrow buttons and the 
Enter button to select any of the following options:
■Auto Setup (computer images)
Leave this setting 
ON to automatically optimize the computer 
image. Turn it off if you want to save adjustments you have 
made to the video settings.
■Tracking (computer images)
Removes unwanted vertical lines from a computer image by 
matching the projector’s internal clock to various computer 
signals. See page 90 for more...

60Fine-tuning the Projector
■Video Signal (composite and S-Video)
Leave this setting at 
Auto unless you are using a 60-Hz PAL 
system (select 
PAL60).
■Aspect 
Sets the image’s aspect ratio (ratio of width to height) to 4:3 
for computer or letterbox video content and to 
16:9 for 
widescreen video content. You can also select 
16:9 (Up) for a 
widescreen display at the top of the screen or 
16:9 (Down) 
for a widescreen display at the bottom of the screen.
4. When you’re finished adjusting the signal...