Daylight View 4 Offers Clear, Crisp Images Even in Bright Surroundings*
The
adjusts operation accordingly.
* There is no actual change in the rated brightness or contrast ratio.
Simulated image with |
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Daylight View 4 turned |
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| Daylight View 4 turned |
off. Overall contrast |
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| on. Detail, depth, |
appears lower, and |
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| brightness and contrast |
images in dark areas |
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| over the entire image |
cannot be seen. |
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| are enhanced. |
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Other Valuable Features
•Quick Operation:
•Quiet operation: 29 dB (in Eco mode)
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•Easy lamp replacement from the rear
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•Picture mode selection (standard/dynamic/natural/blackboard)
•Closed caption decoder
Supplied remote
control
Rear terminals
Specifications
(The specifications and design are subject to change without notice as product development proceeds.)
Models |
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Power supply |
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Power consumption |
| 300 W (Approx. 4 W in standby mode with fan stopped) |
LCD panel | Panel size | 0.63˝ (16 mm) diagonal, 4:3 aspect ratio |
| Display method | Transparent LCD panel (x 3, R/G/B) |
| Drive method | Active matrix |
| Pixels | 1,024 x 768 (x 3) |
Lens |
| Manual zoom |
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| f 18.53 – 22.18 mm |
Throw ratio |
| 1.4 |
Lamp |
| 220 W UHM lamp |
Projection size (diagonally) | 33 – 300 inches (4:3 aspect ratio) | |
Colors |
| Full color (16,777,216 colors) |
Brightness* 1 |
| 3,000 lumens |
85 % | ||
Contrast ratio* 1 |
| 500:1 (full on /full off) |
Resolution (RGB) |
| 1,024 x 768* 2 |
Scanning frequency | RGB | Horizontal: 15– 91 kHz, vertical: 50 – 85 Hz |
| YPBPR | 480i (525i): fH 15.75 kHz; fV 60 Hz |
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| 480p (525p): fH 31.5 kHz; fV 50 Hz |
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| 576i (625i): fH 15.63 kHz; fV 60 Hz |
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| 576p (625p): fH 31.25 kHz; fV 50 Hz |
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| 720p (750p): fH 45.00 kHz; fV 60 Hz |
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| 720p (750p): fH 37.50 kHz; fV 50 Hz |
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| 1080i (1125i): fH 33.75 kHz; fV 60 Hz |
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| 1080i (1125i): fH 28.13 kHz; fV 50 Hz |
| NTSC, NTSC4.43, | |
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| PAL, SECAM, |
Optical axis shift |
| 5:1 (fixed) |
Keystone correction range | Vertical: ±30° | |
| 17 languages: English, French, German, Spanish, Italian, Korean, | |
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| Russian, Chinese, Japanese, Swedish, Norwegian, Danish, |
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| Portuguese, Polish, Hungarian, Czech, and Thai |
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Installation |
| Front/rear ceiling/desk (menu selection) |
| 1.0 W (monaural) output power | |
Terminals | COMPUTER 1 IN | |
| COMPUTER 2 IN/1 OUT | |
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| menu) |
| VIDEO IN | RCA pin x 1 |
| Mini DIN | |
| AUDIO IN | RCA |
| COMPUTER AUDIO IN | M3 (stereo) x 1 |
| VARIABLE AUDIO OUT | M3 (stereo) x 1 |
| SERIAL | |
Power cord length |
| 2 m (6´7˝) |
Cabinet material |
| Molded plastic (PC+ABS) |
Dimensions* 3 (W x H x D) | 368 x 88 x 233 mm | |
Weight* 4 |
| 2.96 kg (6.5 lbs.) |
Operation | Temperature | |
environment | Humidity | 20% – 80% (no condensation) |
Wireless remote | Power supply | 3 V DC (AA battery x 2) |
control unit | Operation range* 5 | Approx. 15 m (49´3˝ feet) when operated from directly in front of |
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| the signal receptor |
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| Dimensions (W x H x D) | 48 x 163 x 24.5 mm |
| Weight* 4 | 117 g (4.2 oz) (including batteries) |
Supplied accessories |
| Power cord, power cord secure lock, wireless remote control, |
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| batteries for remote control, VGA cable, carrying bag |
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Optional accessories |
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*1: Measurement, measuring conditions, and method of notation all comply with ISO 21118 international standards. *2:
Input signals that exceed this resolution will be converted to 1,024 x 768 pixels. *3: Protruding parts are not included.
*4: Average value. May differ depending on models. *5: Operation range differs depending on the environment.
PT-LB78 Projection Distance (4:3)
| Project size | Projection distance (L) |
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| Height from the edge of screen | |||||||
| (diagonal) | Min (wide) |
| Max (telephoto) | to center of lens (H) | ||||||||
0.84 m | / | 33˝ |
| – | 1 | .1 m | / | 3 | .7´ | 0.08 m / | 0.28´ | ||
1.02 m | / | 40˝ | 1.1 m / | 3 | .7´ | 1 | .4 m | / | 4 | .5´ | 0.10 m / | 0.33´ | |
1.52 m | / | 60˝ | 1.7 m / | 5 | .6´ | 2 | .1 m | / | 6 | .8´ | 0.15 m / | 0.50´ | |
2.03 m | / | 80˝ | 2.3 m / | 7 | .6´ | 2 | .8 m | / | 9 | .1´ | 0.20 m / | 0.67´ | |
2.54 m | / | 100˝ | 2.9 m / | 9 | .5´ | 3 | .5 m | / | 11 | .4´ | 0.25 m / | 0.83´ | |
3.81 m | / | 150˝ | 4.3 m / | 14 | .3´ | 5 | .2 m | / | 17 | .1´ | 0.38 m / | 1.25´ | |
5.08 m | / | 200˝ | 5.8 m / | 19 | .0´ | 7 | .0 m | / | 22 | .9´ | 0.51 m / | 1.67´ | |
7.62 m | / | 300˝ | 8.7 m / | 28 | .6´ | 10 | .5 m | / | 34 | .4´ | 0.76 m / | 2.50´ | |
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N O T E S |
| O N U S E |
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• | The projector uses a | ||||||||||||
| may break, emitting a large sound, or fail to illuminate, due to impact or extended use. The length | ||||||||||||
| of time that it takes for the lamp to break or fail to illuminate varies greatly depending on individ- | ||||||||||||
| ual lamp characteristics and usage conditions. |
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• | The brightness of the lamp will gradually decrease with use. |
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• | The projector includes consumable parts. The frequency of replacement for the lamp and other | ||||||||||||
| consumable parts will increase if the projector is subjected to extended, continuous use. For | ||||||||||||
| details, please consult a service representative. |
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Projectors Global Web Site
h t t p : / / p a n a s o n i c . n e t / a v c / p r o j e c t o r
Weights and dimensions shown are approximate. Specifications are subject to change without notice. Product availability differs depending on region and country. This product may be subject to export control regulations. All other trademarks are the property of their respective trademark owners. Projection images simulated. (C) 2009 Panasonic Corporation. All rights reserved.
All information included here is valid as of April 2009.
