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Image Shape, Correcting Image Shape with the Keystone Buttons

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13. Enter the IP address for the Internet time server you want to use and select OK. 14. Select Set and press Enter. 15. Press Menu or Esc to exit the menus. Parent topic: Using Basic Projector Features Related references Administration Settings - Management Menu Image Shape You can project an evenly rectangular image by placing the projector directly in front of the center of the screen and keeping it level. If you place the projector at an angle to the screen, or tilted up or down, or off to the side, you may need to correct the image shape for the best display quality. After correction, your image is slightly smaller. For the best quality images, try to adjust the projector's position to achieve the correct image size and shape. After you have corrected the position of the projector, you can use the adjustments in this section to correct the image shape. Note: For interactive use, the image must be evenly rectangular, without distortion. Refer to the online Installation Guide for instructions on positioning the projector to achieve an evenly rectangular image. After performing any Geometry Correction, you need to calibrate the system again. Note: If your projector uses the ELPMB62 wall mount, use the adjustment dials on the wall mount to correct the screen image before using any other digital correction methods. You can select Menu > Installation > Setting Plate Installation Guide for information on the mount adjustments. Correcting Image Shape with the Keystone Buttons Correcting Image Shape with Quick Corner Correcting Image Shape with Arc Correction Correcting Image Shape with Point Correction Correcting Image Shape with Corner Markers Applying Saved Image Shape Settings Parent topic: Using Basic Projector Features Correcting Image Shape with the Keystone Buttons You can use the projector's keystone correction buttons to correct the shape of an image that is unevenly rectangular on the sides. 106

Section	Page
Contents	3
Introduction to Your Projector	14
Projector Features	14
Product Box Contents	16
Additional Components	16
Optional Equipment and Replacement Parts	17
Warranty and Registration Information (U.S. and Canada)	19
Warranty and Registration Information (Latin America)	19
Notations Used in the Documentation	20
Where to Go for Additional Information	20
Additional Projector Software and Manuals	20
Projector Part Locations	22
Projector Parts - Front/Side	23
Projector Parts - Top/Side	24
Projector Parts - Back Panel	25
Projector Parts - Base	26
Projector Parts - Control Panel	27
Projector Parts - Remote Control	28
Projector Parts - Interactive Pens	30
Projector Parts - Pen Stand	31
Setting Up the Projector	32
Projector Placement	32
Projector Setup and Installation Options	33
Projection Distance	36
Projector Connections	36
Connecting to Computer Sources	36
Connecting to a Computer for USB Video and Audio	37
Connecting to a Computer for VGA Video and Audio	38
Connecting to a Computer for HDMI Video and Audio	40
Connecting to a Computer for Pen and Finger Use	41
Connecting to Video Sources	41
Connecting to an HDMI Video Source	42
Connecting to a Streaming Media Player	43
Connecting to a Composite Video Source	43
Connecting to a Video Source for Sound	44
Connecting External Output Devices	44
Connecting to an External Computer Monitor	45
Connecting to External Speakers	46
Connecting a Microphone	47
Connecting to External USB Devices	47
USB Device Projection	48
Connecting a USB Device or Camera to the Projector	48
Selecting the Connected USB Source	49
Disconnecting a USB Device or Camera From the Projector	49
Connecting to a Document Camera	50
Connecting Multiple Projectors of the Same Model	50
Installing Batteries in the Remote Control	52
Installing Batteries in the Pens	53
Using the Projector on a Network	55
Wired Network Projection	55
Connecting to a Wired Network	56
Selecting Wired Network Settings	56
Wireless Network Projection	59
Installing the Additional Wireless LAN Module	60
Connecting Directly to a Smartphone or Tablet	62
Using Quick Wireless Connection (Windows)	65
Selecting Wireless Network Settings Manually	67
Wireless LAN Menu Settings	72
Selecting Wireless Network Settings in Windows	74
Selecting Wireless Network Settings on Mac	75
Setting Up Wireless Network Security	75
Wireless Network Projection from a Mobile Device or Windows Computer (Screen Mirroring)	77
Screen Mirroring Restrictions	77
Selecting Screen Mirroring Settings	78
Connecting for Screen Mirroring with a Windows 8.x/Windows 10/Windows 11 Computer	80
Connecting for Screen Mirroring with Miracast	81
Screen Sharing	82
Starting a Shared Screen Session	82
Setting Up Projector Network E-Mail Alerts	84
Network Projector E-mail Alert Messages	85
Setting Up Monitoring Using SNMP	85
Controlling a Networked Projector Using a Web Browser	86
Creating an Address Book	89
Using Crestron Connected	90
Setting Up Crestron Connected	91
Controlling a Networked Projector Using Crestron Connected	92
Setting Up Web API	93
Registering a Digital Certificate on the Projector	93
Importing a Web Server Certificate Using the Projector Menus	94
Registering Digital Certificates from a Web Browser	94
Digital Certificate Types	96
Using Basic Projector Features	98
Turning On the Projector	98
Using the Home Screen	100
Turning Off the Projector	102
Selecting the Language for the Projector Menus	104
Setting the Date and Time	105
Image Shape	106
Correcting Image Shape with the Keystone Buttons	106
Correcting Image Shape with Quick Corner	109
Correcting Image Shape with Arc Correction	112
Correcting Image Shape with Point Correction	115
Correcting Image Shape with Corner Markers	117
Applying Saved Image Shape Settings	118
Resizing the Image with the Wide and Tele Buttons	119
Adjusting the Image Position	120
Focusing the Image	121
Remote Control Operation	124
Selecting an Image Source	126
Projection Modes	127
Changing the Projection Mode Using the Remote Control	128
Changing the Projection Mode Using the Menus	129
Image Aspect Ratio	129
Changing the Image Aspect Ratio	130
Available Image Aspect Ratios	131
Color Mode	131
Changing the Color Mode	132
Available Color Modes	132
Adjusting the Hue, Saturation, and Brightness	133
Adjusting Gamma	134
Adjusting the Image Resolution	136
Adjusting the Projector's Brightness Level	138
Light Source Life Span	140
Turning On Dynamic Contrast	141
Controlling the Volume with the Volume Buttons	142
Selecting a Quick Startup Setting	143
Projecting a PC Free Presentation	144
PC Free Precautions	145
Supported PC Free File Types	145
Starting a PC Free Slideshow	147
Starting a PC Free Movie Presentation	149
PC Free Display Options	151
Adjusting Projector Features	153
Shutting Off the Picture and Sound Temporarily	153
Stopping Video Action Temporarily	154
Zooming Into and Out of Images	154
Using Multiple Projectors	155
Projector Identification System for Multiple Projector Control	156
Setting the Projector ID	156
Setting the Remote Control ID	157
Adjusting Color Uniformity	158
Blending the Image Edges	161
Matching the Image Colors	163
Adjusting the Black Level	165
Adjusting RGBCMY	168
Scaling an Image	170
Configuring Tiling Manually	172
Projecting Multiple Images Simultaneously	174
Input Sources for Split Screen Projection	177
Split Screen Projection Restrictions	177
Projector Security Features	178
Password Security Types	178
Setting a Password	178
Selecting Password Security Types	180
Entering a Password to Use the Projector	181
Saving a User's Logo Image to Display	182
Locking the Projector's Buttons	184
Unlocking the Projector's Buttons	185
Installing a Security Cable	185
Creating a User Pattern to Display	186
Adjusting the Color Convergence (Panel Alignment) (EB-770Fi)	187
Saving Settings to Memory and Using Saved Settings	189
Copying Menu Settings Between Projectors	191
Saving Settings to a USB Flash Drive	191
Transferring Settings from a USB Flash Drive	193
Saving Settings to a Computer	194
Transferring Settings from a Computer	195
Scheduling Projector Events	197
Saving a Scheduled Event	197
Viewing Scheduled Events	198
Editing a Scheduled Event	200
Using the Interactive Features	202
Interactive Modes	202
Using the Projected Screen as a Whiteboard (Built-in Whiteboard Mode)	202
Drawing on a Projected Image (Built-in Annotation Mode)	203
Controlling Computer Features from a Projected Screen (PC Interactive Mode)	204
PC Interactive Mode System Requirements	206
Using the Interactive Pens	207
Using the Pens	207
Pen Calibration	209
Calibrating Automatically	210
Calibrating Manually	210
Using Finger Touch Interactivity	213
Touch Unit Safety Instructions	213
Performing Touch Unit Setup (Auto)	214
Performing Touch Unit Setup (Manual)	217
Calibrating for Finger Touch Interactivity	219
Using Finger Touch Operations	222
Using BrightLink with a Computer	225
Adjusting the Pen Operation Area	225
Easy Interactive Tools	227
Windows Pen Input and Ink Tools	227
Enabling Windows Pen Input and Ink Tools	228
Using Windows Pen Input and Ink Tools	228
Built-in Whiteboard Mode	230
Using the Built-in Whiteboard Toolbar	230
The Built-in Whiteboard Toolbar	231
Selecting Background Templates	234
Inserting and Working With Images	235
Selecting Whiteboard Settings	236
Selecting Basic Whiteboard Settings	236
Selecting Whiteboard Print Settings	237
Selecting Settings for Saving Whiteboard Pages	238
Selecting Settings for Emailing Whiteboard Pages	239
Selecting Settings for a Directory Server	240
Selecting a Networked Device Source	242
Saving Pages in Whiteboard Mode	242
Printing Whiteboard Pages	244
Emailing Whiteboard Pages	245
Using BrightLink Without a Computer	247
Using the Built-in Annotation Mode	247
Built-in Tools for Use Without a Computer	247
Controlling an Epson Document Camera	251
Splitting the Projected Image with Whiteboard Mode	252
Adjusting the Menu Settings	254
Using the Projector's Menus	254
Image Quality Settings - Image Menu	256
Input Signal Settings - Signal I/O Menu	261
Installation Settings - Installation Menu	266
Display Settings - Display Menu	271
Feature Settings - Operation Menu	274
Administration Settings - Management Menu	280
Event ID Code List	286
Network Settings - Network Menu	289
Pen and Touch Setup Settings - Pen/Touch Menu	292
Interactive Settings - Interactive Menu	295
Multiple Projector Operation Settings - Multi-Projection Menu (EB-770Fi)	297
Image Quality Memory Settings - Memory Menu	301
Setup Settings - ECO Menu	302
Initial Settings and Reset Options - Initial/All Settings Menu	305
Maintaining and Transporting the Projector	307
Projector Maintenance	307
Cleaning the Lens	307
Cleaning the Projector Case	308
Air Filter and Vent Maintenance	308
Cleaning the Air Filter and Vents	309
Replacing the Air Filter	312
Replacing the Remote Control Batteries	314
Replacing the Hard Pen Tips	316
Replacing the Soft Pen Tips	318
Updating the Firmware	321
Transporting the Projector	321
Solving Problems	323
Projection Problem Tips	323
Projector Light Status	324
Using the Projector Menu Displays	327
Solving Image or Sound Problems	327
Solutions When No Image Appears	328
Solutions When Image is Incorrect Using the USB Display Function	329
Solutions When \	330
Displaying From a PC Laptop	331
Displaying From a Mac Laptop	331
Solutions When \	331
Solutions When Only a Partial Image Appears	332
Solutions When the Image is Not Rectangular	333
Solutions When the Image Contains Noise or Static	333
Solutions When the Image is Fuzzy or Blurry	334
Solutions When the Image Brightness or Colors are Incorrect	335
Solutions When an Afterimage Remains On the Projected Image	336
Solutions to Sound Problems	336
Solutions to Microphone Problems	337
Solving Projector or Remote Control Operation Problems	337
Solutions to Projector Power or Shut-Off Problems	338
Solutions to Remote Control Problems	339
Solutions to Password Problems	339
Solutions When a Battery Message Appears	340
Solutions to HDMI Link Problems	340
Solving Network Problems	341
Solutions When Wireless Authentication Fails	341
Solutions When You Cannot Access the Projector Through the Web	342
Solutions When Network Alert E-Mails are Not Received	342
Solutions When the Image Contains Static During Network Projection	343
Solutions When You Cannot Connect Using Screen Mirroring	343
Solutions When the Image or Sound Contains Static When Using Screen Mirroring	343
Solutions When the Projected Screen is not Shared Correctly	344
Solving Interactive Problems	344
Solutions When the Interactive Pens Do Not Work	345
Solutions When the Interactive Pen Position Is Not Accurate	346
Solutions When the Interactive Pens Are Slow or Difficult to Use	346
Solutions When the Interactive Pens Cause Interference or Unwanted Effects	347
Solutions When Finger Touch Interactivity Does Not Work	347
Solutions When You Cannot Operate a Computer from the Projected Screen	348
Solutions for Problems With Capturing, Printing, Saving, or Scanning	348
Solutions for Problems with Whiteboard Mode	349
Where to Get Help (U.S. and Canada)	349
Where to Get Help (Latin America)	350
Technical Specifications	353
General Projector Specifications	353
Projector Light Source Specifications	356
Interactive Pen Specifications	356
Remote Control Specifications	356
Projector Dimension Specifications	357
Projector Electrical Specifications	357
Projector Environmental Specifications	358
Network Interface Specifications	358
Projector Safety and Approvals Specifications (U.S. and Canada)	359
Supported Video Display Formats	359
USB Display System Requirements	361
Notices	363
Recycling (U.S. and Canada)	363
Important Safety Information	363
Laser Safety Information	363
Important Safety Instructions	366
Restriction of Use	370
List of Safety Symbols (corresponding to IEC60950-1 A2)	370
FCC Compliance Statement	374
Binding Arbitration and Class Waiver	375
Trademarks	378
Copyright Notice	379
A Note Concerning Responsible Use of Copyrighted Materials	379

Match case Limit results 1 per page

106

13. Enter the IP address for the Internet time server you want to use and select

14. Select

Set

and press

Enter

15. Press

Esc

to exit the menus.

Parent topic:

Using Basic Projector Features

Related references

Administration Settings - Management Menu

Image Shape

You can project an evenly rectangular image by placing the projector directly in front of the center of the

screen and keeping it level. If you place the projector at an angle to the screen, or tilted up or down, or off

to the side, you may need to correct the image shape for the best display quality. After correction, your

image is slightly smaller.

For the best quality images, try to adjust the projector's position to achieve the correct image size and

shape. After you have corrected the position of the projector, you can use the adjustments in this section

to correct the image shape.

Note:

For interactive use, the image must be evenly rectangular, without distortion. Refer to the online

Installation Guide

for instructions on positioning the projector to achieve an evenly rectangular image.

After performing any Geometry Correction, you need to calibrate the system again.

Note:

If your projector uses the ELPMB62 wall mount, use the adjustment dials on the wall mount to

correct the screen image before using any other digital correction methods. You can select

Installation

Setting Plate Installation Guide

for information on the mount adjustments.

Correcting Image Shape with the Keystone Buttons

Correcting Image Shape with Quick Corner

Correcting Image Shape with Arc Correction

Correcting Image Shape with Point Correction

Correcting Image Shape with Corner Markers

Applying Saved Image Shape Settings

Parent topic:

Using Basic Projector Features

Correcting Image Shape with the Keystone Buttons

You can use the projector's keystone correction buttons to correct the shape of an image that is

unevenly rectangular on the sides.