Power 4dv Specification
1. VIDEO AND DATA PROJECTOR:
A. Video and Data Projectors, General:
The video and data projector shall be capable of projecting bright, resolute large screen
images of video and computer sources. The projector shall be compatible with all video
standards and computer standards up to 1024 x 768 resolution.
B. Sources and Inputs:
i. Source Compatibility:
- Video Sources:
The projector shall be compatible with all video standards including 525/60,
625/50, PAL, NTSC, SECAM, and HDTV.
- Computer Sources:
The projector shall be compatible with all computer sources up to a resolution of
1024 x 768 including, VGA, SVGA, XGA, and MAC.
ii. Input Configuration:
The projector shall include a minimum of three discreet inputs that may be software
configured to accept;
- RGB signals with sync on green, composite H/V sync and separate H and V
sync. The projector shall automatically sense and select the sync configuration.
- Single cable NTSC, PAL and SECAM signals
- S-Video Y/C signals
- Component Video RGB and Y Pr Pb signals
iii. Input Specifications:
The projector inputs shall be on BNC connectors with the following input specifications;
- RGB Signals:
RGB = 700mV / 75Ω
Sync = .7V - 5v
Sync on green, composite H/V sync and separate H and V sync, auto select
- Component Video Signals:
Y = 700 mV + 300 mV / 75Ω
Pr, Pb = 700 mV p-p / 75Ω
- S-Video Signals:
Y = 700 mV + 300 mV / 75Ω
C = 300 mV p-p / 75Ω
- Composite Video:
1 V p-p / 75Ω
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Power 4dv Specification
iv. Scan Frequencies:
Minimum Horizontal Frequency Range = 15 kHz to 79 kHz
Minimum Vertical Frequency Range = 24 Hz to 100 Hz
C. Performance Specifications:
i. Brightness:
With a new lamp the projector shall deliver a minimum of 3500 Lumens measured
according to the ANSI/NAPM IT7.228-1997 specification.
ii. Lamp Life and Lumen Maintenance:
The projection lamp shall have a minimum lamp life of 750 hours of operation, with
light output no less than 50% of the rated light output at the specified lamp life.
Example: A lamp rated at 3500 ANSI Lumens and a lamp life of 750 hours shall
deliver no less than 1750 ANSI Lumens at 750 hours of operation.
iii. Brightness Uniformity:
The projector shall deliver a minimum of 90% brightness uniformity throughout the
specified life of the lamp. The brightness uniformity shall be measured according to
the ANSI/NAPM IT7.228-1997 specification.
iv. Color and Gray-scale:
- Gray-scale Uniformity:
The projector shall deliver a minimum of 95% gray-scale uniformity across the
entire projected image, and throughout the specified life of the lamp. The grayscale uniformity shall be measured using the 9 zones specified in the
ANSI/NAPM IT7.228-1997 specification.
- Color Temperature:
The projector shall deliver a color temperature range of 2000K - 9300 K
adjustable from the remote control.
- Color Gamut:
The projector shall be capable of producing over 1 billion shades of color.
- Stability:
The projector shall maintain color stability and gray-scale uniformity throughout
the life of the projector and all of its components, including the lamp, without
manipulation of the projector controls. The projector color temperature shall
deviate no more than ±200K throughout the rated life of the lamp.
v. Contrast Ratio:
The projector shall deliver a minimum contrast ratio of 150:1 measured according to
the ANSI/NAPM IT7.228-1997 specification.
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D. Projector Display:
i. Display Type:
The projector shall utilize a three channel DMD type display, utilizing red, green and
blue color channels. The display devices shall have fixed convergence and geometry,
requiring no convergence adjustments. The projector shall be capable of displaying
various different screen sizes and source types and frequencies without requiring the
projector to be reconverged.
ii. Resolution:
The projection display shall have a minimum native resolution of 800 x 600 pixels.
iii. Aperture Ratio:
The aperture ratio or fill factor of the display shall be greater than 88%.
i.e. no less than 88 % of the pixel area shall be used to generate light on the projected
image. No greater than 12%of the pixel shall be used for circuitry and masking.
iv. Pixel Mapping:
The projector shall include a resizing engine capable of converting all compatible input
sources, including all video sources and computer sources up to 1024 x 768 resolution,
to the native resolution of the display. This resizing will be accomplished without
significant sampling errors or decimation of picture content.
Power 4dv Specification
E. Lamp:
i. General:
The projector shall utilize a high energy arc lamp with a native color temperature of
5000K – 7000K. The lamp native color temperature shall not deviate more than ±200K
throughout the rated lamp life. The lamp shall be capable of hot restrike and shall not
require fan cool down after the lamp is turned off.
ii. Lamp Replacement:
The projector shall include a modular lamp assembly that can be replaced by the user
without the use of tools. The lamp assembly shall be prealigned and targeted, requiring
no adjustments or alignments in the field.
F. Lenses:
i. general:
The projector shall have a single lens aperture, requiring no convergence adjustments.
A full range of optional lenses including both fixed and zoom lenses shall be available.
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Power 4dv Specification
ii. specifications:
- aperture: F/3 minimum
- distortion:
fixed focal length lenses: <0.5%
zoom lenses: <2.0%
- Modulation Transfer Function:
Center 20 lp/mm: >60
Center 33 lp/mm: >40
Corner 20 lp/mm: >40
Corner 33 lp/mm: >30
iii. Lens shift:
The projector shall include an integral lens shift mechanism which allows the projector
to be mounted above or below the center of the screen, ±20% of the screen height with
no optical or geometric distortion. The projector shall be capable of being mounted
anywhere along the vertical screen centerline between the top and the bottom of the
screen with less that 5% geometric distortion.
G. Projector Control:
All projector functions shall be accessed through an on-screen menu system which is
controlled by a handheld remote control. The remote control shall be capable of
communicating with the projector via infrared (IR) signal, or by attaching a hard-wired
connection. In addition, the projector shall include provisions for RS232 computer control.
H. Environmental:
i. Warm-up:
The projector shall achieve its full specified light output, convergence and color stability
within 2 minutes of initial lamp strike.
ii. Power Efficiency: >2 Lumens / Watt
iii. Power Consumption: 2600 Watts
iv. Power Requirement: 208 – 265 VAC @ 50 – 60 Hz
v. Thermal Dissipation: 8872 BTU/Hr
vi. Noise Level: <55dba @ 1 Meter
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I. Service:
i. General:
The projector shall be constructed in a modular fashion allowing plug in replacement of
all major system components with minimal service time required.
ii. Manufacturer Support:
Projector manufacturer shall provide overnight replacement of defective modules at no
charge within the warrantee period. In addition, projector manufacturer shall provide a
service support hotline available from 8:00 am to 11:00 pm EST.
Power 4dv Specification
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