General
Model number | E157FPT |
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Flat Panel
The following table shows physical and optical properties of the monitor's display panel.
Screen type | Active matrix - TFT LCD |
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Screen dimensions | Diagonal 15 inches (381 mm) |
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| Horizontal 11.9 inches (304 mm) |
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| Vertical 8.9 inches (228 mm) |
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Pixel pitch | 0.297x0.297mm |
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Viewing angle | 125° (vertical) typical, 140° (horizontal) typical |
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Luminance output | 230 cd/m2 typical |
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Contrast ratio | 500 : 1 typical |
LCD surface coating | Hardness 3H, antiglare treatment |
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Resolution
The following table shows the scan rate and pixel resolution capabilities of the monitor's display.
Horizontal scan range | 30 kHz to 61 kHz (automatic) |
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Vertical scan range | 56 Hz to 76 Hz (automatic) |
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Optimal preset resolution | 1024 x 768 at 60 Hz |
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Highest preset resolution | 1024 x 768 at 75 Hz |
Preset Display Modes
Dell guarantees image size and centering for all preset modes listed in the following table.
Display mode | Horizontal | Vertical | Pixel | Sync |
| Frequency (kHz) | Frequency | Clock | Polarity |
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| (Hz) | (MHz) | (Horizontal / |
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| Vertical) |
DOS 720 x 400 | 31.5 | 70.1 | 28.3 | |
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VGA 640 x 480 | 31.5 | 60.0 | 25.18 | |
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VESA 640 x 480 | 37.5 | 75.0 | 31.5 | |
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VESA 800 x 600 | 37.9 | 60.3 | 40.0 | +/+ |
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VESA 800 x 600 | 46.9 | 75.0 | 49.5 | +/+ |
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VESA 1024 x 768 | 48.4 | 60.0 | 65.0 | |
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VESA 1024 x 768 | 60.0 | 75.5 | 78.8 | +/+ |
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Electrical
The following table shows electrical input requirements of the monitor.
Video input signals | Analog RGB, 0.700 volts, 75 ohm impedance |
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Synchronization input signals | Separate horizontal and vertical; 3.3V CMOS or 5V |
| TTL level, positive or negative sync. |
AC input voltage / frequency / current | 100~240 VAC , 50 /60 Hz, |
| 0.6A (RMS) max |
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Inrush current at 110 V | 30 A max |
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Inrush current at 220 V | 60 A max |
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Physical Characteristics
The following table shows the physical attributes of the monitor.
