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Epson PowerLite 1770W User's Guide - Page 148

Solutions When the Image Brightness or Colors are Incorrect, Related tasks, Color Mode, Brightness

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Image Quality Settings - Image Menu Projection Distance Related tasks Automatically Correcting Image Shape With Screen Fit Focusing the Image Cleaning the Lens Solutions When the Image Brightness or Colors are Incorrect If the projected image is too dark or light, or the colors are incorrect, try the following solutions: • Press the Color Mode button on the remote control to try different color modes for the image and environment. • Adjust the available settings on the Image menu for the current input source, such as Brightness, Contrast, Tint, Color Adjustment, and/or Color Saturation. • Make sure you selected the correct input source on the Signal menu. • Make sure all the cables are securely connected to the projector and your video device. If you connected long cables, try connecting shorter cables. • For computers, check the color balance of your computer's display. (See your computer manual for details.) • If the colors are incorrect from a video source, make sure you selected the correct Video Signal setting. • If you are using the ECO Power Consumption setting, try selecting Normal in the Settings menu. • If the image has been progressively darkening, you may need to replace the projector lamp soon. Parent topic: Solving Image or Sound Problems Related concepts Projector Lamp Maintenance Related references Image Quality Settings - Image Menu Input Signal Settings - Signal Menu Projector Feature Settings - Settings Menu 148

Section	Page
Front Cover	1
Contents	3
Introduction to Your Projector	9
Projector Features	9
Product Box Contents	10
Additional Components	12
Optional Equipment and Replacement Parts	12
Registration and Warranty Information	13
Notations Used in the Documentation	14
Where to Go for Additional Information	14
Projector Parts Locations	14
Projector Parts - Front/Top	15
Projector Parts - Rear	16
Projector Parts - Base	17
Projector Parts - Control Panel	18
Projector Parts - Remote Control	19
Setting Up the Projector	21
Projector Placement	21
Projector Setup and Installation Options	21
Projection Distance	23
Projector Connections	31
Connecting to Computer Sources	32
Connecting to a Computer for USB Video and Audio	32
Connecting to a Computer for VGA Video	34
Connecting to a Computer for HDMI Video and Audio	34
Connecting to a Computer for USB Mouse Control	35
Connecting to a Computer for Sound	36
Connecting to Video Sources	36
Connecting to an HDMI Video Source	36
Connecting to a Component-to-VGA Video Source	37
Connecting to a Composite Video Source	38
Connecting to a Video Source for Sound	38
Connecting to External USB Devices	39
USB Device Projection	39
Connecting a USB Device or Camera to the Projector	40
Selecting the Connected USB Source	40
Disconnecting a USB Device or Camera From the Projector	41
Connecting to a Document Camera	41
Installing Batteries in the Remote Control	42
Opening the Lens Cover	43
Using the Projector on a Network	45
Wireless Network Projection	45
Installing the Wireless LAN Module	46
Using Quick Wireless Connection (Windows Only)	48
Selecting Wireless Network Settings Manually	49
Wireless LAN Menu Settings	52
Selecting Wireless Network Settings in Windows	53
Selecting Wireless Network Settings in Mac OS	53
Setting Up Wireless Network Security	54
Wireless Security Menu Settings	55
Setting Up Projector Network E-Mail Alerts	56
Network Projector E-mail Alert Messages	57
Setting Up Monitoring Using SNMP	57
Controlling a Networked Projector Using a Web Browser	58
Using Basic Projector Features	61
Turning On the Projector	61
Turning Off the Projector	63
Selecting the Language for the Projector Menus	65
Adjusting the Image Height	66
Image Shape	68
Automatically Correcting Image Shape With Screen Fit	68
Correcting Image Shape With Quick Corner	70
Correcting Image Shape With the Keystone Buttons	71
Resizing the Image With the Zoom Ring	72
Focusing the Image	73
Remote Control Operation	74
Using the Remote Control as a Wireless Mouse	75
Using the Remote Control as a Presentation Pointer	76
Selecting an Image Source	77
Projection Modes	79
Changing the Projection Mode Using the Remote Control	80
Changing the Projection Mode Using the Menus	80
Image Aspect Ratio	81
Changing the Image Aspect Ratio	81
Available Image Aspect Ratios	82
Color Mode	83
Changing the Color Mode	83
Available Color Modes	84
Turning On Auto Iris	85
Controlling the Volume With the Volume Buttons	86
Projecting a Slide Show	86
Slideshow Presentations	86
Supported Slideshow File Types	87
Starting a Slide Show or Presentation	88
Slideshow Display Options	89
Adjusting Projector Features	91
Shutting Off the Picture and Sound Temporarily	91
Stopping Video Action Temporarily	92
Zooming Into and Out of Images	92
Projector Security Features	93
Password Security Types	94
Setting a Password	94
Selecting Password Security Types	95
Entering a Password to Use the Projector	96
Saving a User's Logo Image to Display	97
Locking the Projector's Buttons	100
Unlocking the Projector's Buttons	100
Installing a Security Cable	101
Projector Identification System for Multiple Projector Control	101
Setting the Projector ID	101
Setting the Remote Control ID	102
Matching Multiple-Projector Display Quality	103
Adjusting the Menu Settings	105
Using the Projector's Menus	105
Image Quality Settings - Image Menu	107
Input Signal Settings - Signal Menu	109
Projector Feature Settings - Settings Menu	113
Projector Setup Settings - Extended Menu	115
Projector Network Settings - Network Menu	118
Projector Information Display - Info Menu	119
Event ID Code List	122
Projector Reset Options - Reset Menu	123
Maintaining and Transporting the Projector	125
Projector Maintenance	125
Cleaning the Lens	125
Cleaning the Projector Case	126
Air Filter and Vent Maintenance	126
Cleaning the Air Filter and Vents	126
Replacing the Air Filter	127
Projector Lamp Maintenance	129
Replacing the Lamp	130
Resetting the Lamp Timer	134
Replacing the Remote Control Batteries	135
Transporting the Projector	137
Solving Problems	139
Projection Problem Tips	139
Projector Light Status	139
Using the Projector Help Displays	142
Solving Image or Sound Problems	142
Solutions When No Image Appears	142
Solutions When Image is Incorrect Using the USB Display Function	143
Solutions When \	144
Displaying From a PC Laptop	144
Displaying From a Mac Laptop	144
Solutions When \	145
Solutions When Only a Partial Image Appears	145
Solutions When the Image is Not Rectangular	146
Solutions When the Image Contains Noise or Static	146
Solutions When the Image is Fuzzy or Blurry	147
Solutions When the Image Brightness or Colors are Incorrect	148
Solutions When There is No Sound or Low Volume	149
Solving Projector or Remote Control Operation Problems	149
Solutions to Projector Power or Shut-Off Problems	149
Solutions to Problems With the Remote Control	150
Solutions to Password Problems	151
Solutions When Network Alert E-Mails are Not Received	151
Where to Get Help	151
Technical Specifications	153
General Projector Specifications	153
Projector Lamp Specifications	155
Remote Control Specifications	155
Projector Dimension Specifications	155
Projector Electrical Specifications	156
Projector Environmental Specifications	157
Projector Safety and Approvals Specifications	157
Supported Video Display Formats	158
Notices	161
Important Safety Information	161
Important Safety Instructions	161
FCC Compliance Statement	164
Trademarks	165
Software Copyright	165
Copyright Notice	192