BenQ mw814st user manual Obtaining a preferred projected image size, Projection dimensions

Obtaining a preferred projected image size

The distance from the projector lens to the screen, the zoom setting, and the video format each factors in the projected image size.

For example, if you are using a 120-inch, 4:3-aspect-ratio screen and the projected picture is 16:10, please refer to Table B2 on page 16, the recommended projection distance is 1192 mm and the vertical offset is 76 mm.

If you need a 16:9 screen to project a 16:9 picture and your measured projection distance is

1.5m (1500 mm), please refer to Table A1 on page 14. The closest match in the "(b) Distance from screen" column is 1623 mm. Looking across this row shows that a 150'' (about 3.8 m) screen is required.

Projection dimensions

Refer to "Dimensions" on page 59 for the center of lens dimensions of this projector before calculating the appropriate position.

A1

(a)

(c)

Screen

Center of lens

(b)

A2	(a)
	Screen
	Center of lens
	(c)
	(b)

Table A1: The screen aspect ratio is 16:9 and the projected picture is 16:9

	(a) Screen size			Projected picture size		(b) Distance	(c) Vertical
Diagonal		Height	Width	Height	Width	from screen	offset
Inches	mm	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
80	2032	996	1771	996	1771	866	110
100	2540	1245	2214	1245	2214	1082	137
120	3048	1494	2657	1494	2657	1298	164
150	3810	1868	3321	1868	3321	1623	205
180	4572	2241	3985	2241	3985	1947	247
200	5080	2491	4428	2491	4428	2164	274
220	5588	2740	4870	2740	4870	2380	301
240	6096	2989	5313	2989	5313	2597	329
270	6858	3362	5977	3362	5977	2921	370
300	7620	3736	6641	3736	6641	3246	411

14 Positioning your projector