Polaroid 215EPolaview manual Vertical frequency 72.188 Hz 75.000 Hz 85.061 Hz

Getting started

				Preset timing
	VESA 800x600 at 72Hz		VESA 800x600 at 75Hz		VESA 800x600 at 85Hz
Dot Clock		50.000 Mhz		49.500 Mhz		56.250 Mhz
Horizontal frequency		48.077 Khz		46.875 Khz		53.674 Khz
A-Period	20.800 µs (1040 dots)		21.333 µs (1056 dots)		18.631 µs (1048 dots)
B-Blanking	4.800	µs (240 dots)	5.172	µs (256 dots)	4.409	µs (248 dots)
C-Sync Width	2.400	µs (120 dots)	1.616	µs (80 dots)	1.138	µs (64 dots)
D-Back Porch	1.280	µs (64 dots)	3.232	µs (160 dots)	2.720	µs (152 dots)
E-Active Time	16.000 µs (800 dots)		16.162 µs (800 dots)		14.222 µs (800 dots)
F-Front Porch	1.120	µs (56 dots)	0.323	µs (16 dots)	0.569	µs (32 dots)
Vertical frequency		72.188 Hz		75.000 Hz		85.061 Hz
A-Period	13.853 ms (666 lines)		13.333 ms (625 lines)		11.756 ms (631 lines)
B-Blanking	1.373 ms (66 lines)		0.533 ms (25 lines)		0.578 ms (28 lines)
C-Sync Width	0.125 ms (6 lines)		0.064 ms (3 lines)		0.056 ms (3 lines)
D-Back Porch	0.478 ms (23 lines)		0.448 ms (21 lines)		0.503 ms (27 lines)
E-Active Time	12.480 ms (600 lines)		12.800 ms (600 lines)		11.179 ms (600 lines)
F-Front Porch	0.770 ms (37 lines)		0.021 ms (1 line)		0.019 ms (1 line)
Sync Polarity (H/V)	Positive/Positive		Positive/Positive		Positive/Positive
			Preset timing (*Compression)
	VESA 1024x768 at 60Hz		VESA 1024x768 at 70Hz		VESA 1024x768 at 75 Hz
Dot Clock		65.000 MHz		75.000 MHz		78.7500 Mhz
Horizontal frequency		48.363 KHz		56.476 KHz		60.0229 KHz
A-Period	20.677 µs (1344 dots)		17.707 µs (1328 dots)		16.660 µs (1312 dots)
B-Blanking	4.923	µs (320 dots)	4.054	µs (304 dots)	3.657	µs (288 dots)
C-Sync Width	2.092	µs (136 dots)	1.813	µs (136 dots)	1.219	µs (96 dots)
D-Back Porch	2.462	µs (160 dots)	1.920	µs (144 dots)	2.235	µs (176 dots)
E-Active Time	15.754 µs (1024 dots)		13.653 µs (1024 dots)		13.003 µs (1024 dots)
F-Front Porch	0.369	µs (24 dots)	0.320	µs (24 dots)	0.203	µs (16 dots)
Vertical frequency		60.004 Hz		70.069 Hz		75.0286 Hz
A-Period	16.666 ms (806 lines)		14.272 ms (806 lines)		13.328 ms (800 lines)
B-Blanking	0.786 ms (38 lines)		0.673 ms (38 lines)		0.533 ms (32 lines)
C-Sync Width	0.124 ms (6 lines)		0.106 ms (6 lines)		0.050 ms (3 lines)
D-Back Porch	0.600 ms (29 lines)		0.513 ms (29 lines)		0.466 ms (28 lines)
E-Active Time	15.880 ms (768 lines)		13.599 ms (768 lines)		12.795 ms (768 lines)
F-Front Porch	0.062 ms (3 lines)		0.053 ms (3 lines)		0.017 ms (1 line)
Sync Polarity (H/V)	Positive/Positive		Positive/Positive		Positive/Positive

*Note: Because some lines are omitted, picture degradation may occur.

28Polaview 215E LCD Projector User’s Guide