| General | |
| Model number | P790 |
CRT |
| Screen dimensions | 17 inches (16-inch viewable image size) |
| Preset display area: | |
|
Horizontal
| 312 ± 3 mm (12.3 inches ± 0.12 inches) |
|
Vertical
| 234 ± 3 mm (9.21 inches ± 0.12 inches) |
| Aperture Grill Pitch | 0.24 mm center; 0.25 mm corner |
| Deflection angle | 90° |
| Phosphor type | P22 |
| Faceplate coating | AR-film |
Resolution |
| Horizontal scan range | 31 kHz to 92 kHz (automatic) |
| Vertical scan range | 50 Hz to 150 Hz (automatic) |
| Optimal preset resolution | 1024 x 768 at 85 Hz |
| Highest preset resolution | 1600 x 1200 at 60 Hz |
| Highest addressable resolution* | 1600 x 1200 at 60 Hz |
| * Addressable means the monitor will sync up to this mode. However, Dell does not guarantee the image will be sized, shaped and centered correctly. Dell guarantees image size and centering for all preset modes listed in the following table. |
Preset Display Modes
| Display Mode | Horizontal
Frequency (kHz) | Vertical
Frequency (Hz) | Pixel Clock
(MHz) | Sync Polarity
(Horizontal /
Vertical) | | IBM®, VGA2, 720 x 400 | 31.5 | 70.1 | 28.3 | -/+ | | IBM, VGA3, 640 x 480 | 31.5 | 59.9 | 25.2 | -/- | | VESA®, 640 x 480 | 37.5 | 75.0 | 31.5 | -/- | | VESA, 640 x 480 | 43.3 | 85.0 | 36.0 | -/- | | VESA, 800 x 600 | 46.9 | 75.0 | 49.5 | +/+ | | VESA, 800 x 600 | 53.7 | 85.1 | 56.3 | +/+ | | VESA, 1024 x 768 | 48.4 | 60.0 | 65.0 | -/- | | VESA, 1024 x 768 | 60.0 | 75.0 | 78.8 | +/+ | | VESA, 1024 x 768 | 68.7 | 84.9 | 94.5 | +/+ | | VESA, 1280 x 1024 | 80.0 | 75.0 | 135.0 | +/+ | | VESA, 1600 x 1200 | 75.0 | 60.0 | 162.0 | +/+ |
|
|
Electrical |
| Video input signals | analog, 0.7 Vpp, positive at 75 ohm |
| Synchronization input signals | separate horizontal and vertical; composite sync
TTL level, positive or negative |
| AC input voltage / frequency / current | 90 to 264 VAC / 50 or 60 Hz + 3 Hz /
1.86 A (RMS) at 120 VAC and
0.95 A (RMS) at 220 VAC |
| Inrush current at 120 V | 13.5 A |
| Inrush current at 240 V | 35.4 A |
Physical Characteristics |
| Connector type | 15-pin D-subminiature |
| Signal cable type | attached to monitor |
| Dimensions: | |
|
Height
| 432mm (17 inches) |
|
Width
| 415mm (16.4 inches) |
|
Depth
| 424mm (16.7 inches) |
| Weight (monitor only) | 19.5 kg (43 lbs) |
| Weight (with packaging) | 22 kg (48.5 lbs) |
Environmental |
| Temperature: | |
|
Operating
| 5° to 40°C (41° to 104°F) |
|
Nonoperating
| –20° to 60°C (–4° to 140°F) |
| Humidity: | |
|
Operating
| 10% to 80% (noncondensing) |
|
Nonoperating
| 5% to 95% (noncondensing) |
| Altitude: | |
|
Operating
| 10,000 ft |
|
Nonoperating
| 40,000 ft |
| Thermal dissipation | 444 BTU/hour (maximum)
340 BTU/hour (typical) |
Power Management Modes If you have VESA's DPMS compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. If input from keyboard, mouse or other input devices is detected, the monitor will automatically "wake up". The following table shows the power consumption and signaling of this automatic power saving feature:
| Power Management Definition |
| VESA's Mode | Video | H-sync | V-sync | Power Used | LED color |
| ON | Active | Yes | Yes | minimum 100W maximum 130W typical 100W | Green |
| Stand-by | Blanked | No | Yes | < 80W | Green, blinking at 2 Hz rate |
| Suspend | Blanked | Yes | No | 8-10W | Green, blinking at 2 Hz rate |
| Active-OFF* | Blanked | No | No | < 5W | Green, blinking at 1 Hz rate |
| Switched OFF with power switch* | < 1W | OFF |
This monitor is ENERGY STAR®-compliant and TCO'99 power management compatible. 
* Zero power consumption in OFF mode can only be achieved by disconnecting the mains cable from the monitor.
ENERGY STAR® is a U.S. registered mark. As an ENERGY STAR® Partner, DELL has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.
4 
Pin Number
15-Pin Side of the Signal Cable
| 1 | Video-Red |
| 2 | Video-Green |
| 3 | Video-Blue |
| 4 | GND |
| 5 | Plugged/Unplugged |
| 6 | GND-R |
| 7 | GND-G |
| 8 | GND-B |
| 9 | DDC +5V, external |
| 10 | GND-sync/self-raster |
| 11 | GND |
| 12 | DDC data |
| 13 | H-sync |
| 14 | V-sync |
| 15 | DDC clock |
Plug and Play Capability You can install the monitor in any Plug and Play-compatible system. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) protocols so the system can configure itself and optimize the monitor settings. If desired, the user can select different settings, but in most cases monitor installation is automatic.
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