Epson Powerlite Cinema 550 Home Theater Projector Users Guide

Making Basic Adjustments31
Locking the Projector
The projector includes two lock settings to prevent the image from being accidentally 
changed once it’s adjusted, and to keep children from turning on the projector without adult 
supervision. 
To access the lock settings, follow these steps:
1. Press the 
Menu button on the remote control.
2. Use the menu navigation buttons to open the 
Settings 
menu, then open the Operation menu.
3. Choose from these options:
■Child Lock to disable the PPower button on...

32Making Basic Adjustments 

Making Detailed Adjustments33
Making Detailed Adjustments
You can use the projector’s on-screen menus to make detailed adjustments to the image 
quality—such as the brightness, contrast, sharpness, and color. You can also change the menu 
display, sleep mode settings, and other projector features. 
Using the Menu System
You can access the menu system either from the remote control or the buttons on the 
projector’s control panel. You can access the full menu or a line menu that lets you adjust the...

34Making Detailed Adjustments
To display the line menu, press the Select button. You see a display like this at the bottom 
of the image:
Press the u or d button to highlight an option, then press the 
Select button to select it. 
Press the 
Menu button to exit the line menu. 
You can access the following settings through the line menu while viewing their effects on 
your display:
■Sharpness (see page 37)
■Black Level (see page 36)
■White Level (see page 36)
■Skin Tone (see page 29)
■Absolute Color...

Making Detailed Adjustments35
■Navigation Bar
Select whether to display the navigation bar, 
which tells you which buttons to press to 
choose settings.
■Menu Color
Select a color scheme for displaying the menus.
Adjusting the Picture Quality
Before fine-tuning the image using these adjustments, make sure you have already selected the 
best Color Mode for your picture and viewing environment, as described on page 28. Then 
use the settings in this section to finish adjusting the picture to your liking....

36Making Detailed Adjustments
■Brightness/Contrast
Note: If you cannot access the Brightness and Contrast settings, highlight Input Adjustment 
and press the Select button, then choose Brightness/Contrast in the sub-menu.
Adjust the brightness so it’s suitable for your viewing conditions. For example, if you’re 
projecting in a brightly lit room or onto an especially large screen, you may need to 
increase the brightness. Decrease the brightness for dark rooms or small screens; this also 
reduces power...

Making Detailed Adjustments37
■DVI-Video Level
Note: This setting can be used only when HDMI is selected as the image source (see page 22).
If your video equipment has a DVI port and you’ve connected it to the projector using an 
HDMI/DVI cable, set the level of the projector to match that of the video equipment. 
When this setting is turned on, the projector disregards the EPSON Super White setting.
Sharpness and Picture Quality Settings
If the image looks fuzzy, or if it contains noise or flickering,...

38Making Detailed Adjustments
Color Settings
If the image colors don’t look correct, you can adjust them using these settings. Use the first 
three settings described below to make the most visible changes. If you only need to make 
slight adjustments, you can fine-tune the picture with the remaining settings. Most color 
settings are stored separately for each image source and color mode.
■Color Saturation
Adjusts the color intensity of the image. 
■Tint
Shifts the color balance between magenta and...

Making Detailed Adjustments39
■RGB
Note: If you cannot access the RGB settings, highlight RGB/RGBCMY (the first item in the 
menu list) and press the Select button, then choose RGB in the sub-menu.
Use the RGB settings to fine-tune the color of the image. You can adjust the offset and 
gain for each signal color (red, green, and blue). Use 
Offset to adjust darker shades and 
Gain for the lightest shades. 
■RGBCMY
Note: If you cannot access the RGBCMY settings, highlight RGB/RGBCMY (the first item in...

40Making Detailed Adjustments
Adjustments Just for Computer Images
In addition to the settings described above, you can adjust the Tracking and Sync settings for 
analog RGB computer images. Normally, these settings are adjusted automatically by the 
projector. If you notice that the image is blurry or contains dark vertical bands, you may need 
to adjust the settings yourself.
■Auto Setup
Leave this setting on so that the projector automatically adjusts the tracking, sync, and 
position of the image....