BenQ SP870 user manual Projection dimensions, Zoom

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Projection dimensions

Refer to "Dimensions" on page 50 for the center of lens dimensions of this projector before calculating the appropriate position.

Maximum zoom

Minimum zoom

Vertical offset

Screen

Center of lens

Projection distance

4:3 screen diagonal			Distance from screen in mm			Vertical offset
Feet	Inches	mm	Min length	Average	Max length	in mm
			(with max.		(with min.
			zoom)		zoom)
4.0	48	1219	1635	1766	1897	84
	59	1500	2012	2173	2334	104
5.0	60	1524	2044	2208	2371	105
6.0	72	1829	2453	2649	2846	126
	79	2000	2683	2897	3112	138
7.0	84	2134	2862	3091	3320	147
8.0	96	2438	3271	3533	3794	168
	98	2500	3353	3622	3890	173
9.0	108	2743	3680	3974	4268	189
	118	3000	4024	4346	4668	207
10.0	120	3048	4089	4416	4743	210
	138	3500	4695	5070	5446	242
12.0	144	3658	4906	5299	5691	252
	157	4000	5366	5795	6224	276
15.0	180	4572	6133	6624	7114	315
	197	5000	6707	7244	7780	345
18.0	216	5486	7359	7948	8537	379
	236	6000	8048	8692	9336	414
25.0	300	7620	10221	11039	11857	526

Positioning your projector

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Image 15

Contents SP870 Digital Projector WelcomeTable of contents 3000 m 10000 feet Important safety instructionsWith all windows rolled up Cigarette smoke may contaminate opticalImportant safety instructions Ceiling mounting the projector Introduction Projector featuresShipping contents Quick-release foot Projection lens Lens cap Projector exterior viewRear/lower side See Connection on page 16 for connection detailsProjector Controls and functionsDetails Remote controlStarts the FAQ function. See Utilizing FAQ Your own timer setting. See Setting22. D. Zoom + Remote control effective rangeMaking the remote control a wired control Operating the Laser pointer Choosing a location Positioning your projectorObtaining a preferred projected image size Select your screen size Zoom Projection dimensionsTo connect the projector to a notebook or desktop computer Connecting a computer or monitorConnecting a computer ConnectionWith a VGA cable With a VGA to DVI-A cable Connecting a monitorComputer using the D-SUB/COMP. Socket, not the DVI-Dsocket To connect the projector to a monitorBetter video quality Connecting Video source devicesConnecting Audio Best video qualityTo connect the projector to a DVI-D source device Connecting a DVI-D source deviceWith a Component Video to VGA D-Sub adaptor cable Connecting a Component Video source deviceTo connect the projector to a Component Video source device With a Component Video cableTo connect the projector to an S-Video/Video source device Connecting an S-Video or a composite Video source deviceStarting up the projector OperationSecuring the projector Using the On-Screen Display OSD menusUsing a security cable lock Use / to highlight the System Setup Basic menuTo leave the OSD menu, press MENU/EXIT Utilizing the password functionSetting a password If you forget the passwordEntering the password recall procedure Changing the passwordDisabling the password function Changing Color Space Switching input signalFine-tuning the image size and clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageMagnifying and searching for details Correcting keystonePress About the aspect ratio Selecting the aspect ratioOptimizing the image Using Wall ColorSelecting a picture mode PC input signals D-Sub/Comp. analog RGB, and DVI-D DVI-DFine-tuning the image quality in user modes 3D Color Management Adjusting Brilliant ColorSelecting a color temperature About color temperaturesFollow these steps to utilize this function Setting the presentation timerRepeat steps 3 to 6 for other color adjustments Press MENU/EXIT to exit and save the settingsRemote paging operations To cancel the timer, perform the following stepsHow to use the Timer ON/SHOW key? Using the OSD menuUtilizing FAQ function Hiding the imageFreezing the image Panel Key Lock menu and press To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentCreating your own startup screen Adjusting the soundAdjusting the sound level Turning off the Power on/off ring tonePersonalizing the On-Screen Display OSD menus Shutting down the projectorIf the projector is not properly On-Screen Display OSD Menus Menu structureMain menu Sub-menu Options Menu Position Center/Top-Left/Top-Right/Bottom Setup BasicReset All Settings AdvancedDisplay menu Picture menu Description of each menuBlank Timer Save SettingsPresentation Timer Auto Power OffSystem Setup Advanced menu Information menu Maintenance Care of the projectorLamp information Timing of replacing the lamp Setting Lamp Mode as EconomicSetting Auto Power Off Extending lamp lifeRemove the lamp cover from the projector Replacing the lampLoosen the screw that secures the lamp To slowly pull the lamp out of the projectorResetting the lamp timer Settings menuPress Enter and the Lamp Settings Indicators Troubleshooting Specifications Projector specificationsDimensions Supported timing for Video and S-Video inputs Timing chartSupported timing for Analog RGB input Supported timing for Component-YPbPrinputSXGA75 Supported timing for DVI-D Hdcp inputRegulation statements Other information

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