Panasonic PT-D7700U, PT-DW7000U manual ET-D75LE1, ET-D75LE3

Installation

If the projector is used with a screen size not listed in this manual, check the diagonal dimension (inch) of your screen and calculate the projection distance using the following formulas.

Calculation formulas for projection distance by lens types (for PT-D7700U)

Model number of projection lens		Aspect ratio	Projection distance (L) formula	Units: m
		4:3	Minimal distance: L=0.0307 x Screen diagonal (inch) – 0.0760
	ET-D75LE1		Maximal distance: L=0.0410 x Screen diagonal (inch) – 0.1004
	(1.5–2.0 :1)
		16:9	Minimal distance: L=0.0334 x Screen diagonal (inch) – 0.0760
			Maximal distance: L=0.0446 x Screen diagonal (inch) – 0.1004
		4:3	Minimal distance: L=0.0412 x Screen diagonal (inch) – 0.0795
	ET-D75LE2		Maximal distance: L=0.0617 x Screen diagonal (inch) – 0.1064
	(2.0–3.0 :1)
		16:9	Minimal distance: L=0.0448 x Screen diagonal (inch) – 0.0795
			Maximal distance: L=0.0672 x Screen diagonal (inch) – 0.1064
		4:3	Minimal distance: L=0.0617 x Screen diagonal (inch) – 0.0958
Zoom	ET-D75LE3		Maximal distance: L=0.1031 x Screen diagonal (inch) – 0.1216
lens	(3.0–5.0 :1)
		16:9	Minimal distance: L=0.0672 x Screen diagonal (inch) – 0.0958
			Maximal distance: L=0.1123 x Screen diagonal (inch) – 0.1216
		4:3	Minimal distance: L=0.1031 x Screen diagonal (inch) – 0.1158
	ET-D75LE4		Maximal distance: L=0.1639 x Screen diagonal (inch) – 0.1013
	(5.0–8.0 :1)
		16:9	Minimal distance: L=0.1123 x Screen diagonal (inch) – 0.1158
			Maximal distance: L=0.1786 x Screen diagonal (inch) – 0.1013
		4:3	Minimal distance: L=0.1640 x Screen diagonal (inch) – 0.3862
	ET-D75LE8		Maximal distance: L=0.3072 x Screen diagonal (inch) – 0.3598
	(8.0–15.0 :1)	16:9	Minimal distance: L=0.1786 x Screen diagonal (inch) – 0.3862
			Maximal distance: L=0.3346 x Screen diagonal (inch) – 0.3598
		4:3	L= 0.0158 x Screen diagonal (inch) – 0.0835
Fixed-	ET-D75LE5
focus
	(0.8:1)
lens		16:9	L= 0.0172 x Screen diagonal (inch) – 0.0835

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