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28 Polaview 215E LCD Projector User’s Guide
Getting started
*Note: Because some lines are omitted, picture degradation may occur.
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