Attachment 1 - Display Requirements.pdf

ATTACHMENT 1 – 70Z03826IL0000018

REQUIRMENTS FOR EO/IR DISPLAY UNIT

1.0 Display

1.1 Viewing Area

The displays shall be landscape-oriented. The screen shall be between 10 and 13 inch LCD and weigh no more than 12 Lbs. The viewing ratio of the input video is 16:9.

1.2 Screen Resolution

The screen resolution shall be 1920 (horizontal) by 1080i (vertical) with a diming ratio or luminance of between 800 and 1000 nits.

1.3 Image Scaling/Cropping

The image shall be scalable or crop-able under control of the On Screen Display (OSD).

1.4 Contrast Ratio

The desired contrast ratio shall be between 700:1 and 1000:1

2.0 Daytime Chromaticity Performance

2.1 Color

It is desired that the color performance be at least 24 bits of chromaticity (red, green, and blue with at least 8 bits each).

2.2 Grayscale

The grayscale performance shall be at least 7 bits of chromaticity.

2.3 Nighttime Chromaticity Fundamental

The nighttime chromaticity shall be in accordance with MIL-STD 3009 and be adjustable via the

Setup Screen. The display shall allow use of both Generation 3 Night Vision Goggles (view screen or not interfere with NVGs) and the dark-adapted human eye to view the screen at night.

The emissivity requirement is Class C, Type 2.

2.4 Nighttime Grayscale Performance

The nighttime grayscale performance shall be at least 7 bits of chromaticity.

2.5 Reflectivity

The maximum display diffuse reflectivity of the display shall be no more than 0.35% over the

400 – 900 nM band.

The maximum display specular reflectivity shall be <= 1.5% average over the 400 – 900 nM band

2.6 Response Time

It is desired the thetime for pixels to transition between full on to full off (threshold) (or vice versa), any two shades of gray (objective) be less than 15 ms, measured at the 10% to 90% points of the luminance change at +20 degrees C (threshold), -40C (objective) ambient.

2.7 Luminance Modes

The display luminance shall have a Day and Night mode/selection and have a luminance of between 400 – 800 nits.

2.8 Day Mode

A Day mode is required for viewing the display during daylight hours or in full sun. It is desired to control the level of luminance from minimum to maximum in daylight conditions.

2.9 Night Mode

A mode is required for use during night operations and in low lighting situations. The luminance of the display shall be compliant with MIL-STD-3009 NVIS. Coast Guard ANVIS requirements require that the emissivity of ANVIS compatible display are Class C, Type 2.

It is desired that all backlit buttons shall be of visually identical luminance.

3.0 LCD Defects

The displays shall meet the following defect criteria:

3.1 Blemishes

The display shall have no visible blemishes (air bubbles, cracks, or discoloration) when viewed at a distance of 24 inches.

The display shall have no visible blemishes due to scratches or extraneous matter when viewed at a distance of 24 inches within its central area excluding 0.8 inches from top and bottom, 0.5 inches from the side. In the outer region, scratches or extraneous matter shall not visibly obscure display symbology and shall be limited to a maximum of three occurrences and a maximum size of 0.1-inch diameter.

3.2 Image Quality

The DU shall be free from visible noise and visible artifacts with all test patterns (including moving patterns).

4.0 Electrical Requirements

4.1 Inputs/Outputs

4.2 SMPTE Video Inputs

The display shall have a minimum of three (3) SMPTE-292M input connectors on the rear housing.

The following SMPTE modes shall be supported (and displayed):

1. 1080p59.94 and 1080p50 over SMPTE 424M

2. 1080i59.94, 1080i50, 720p59.94, and 720p50 over SMPTE 292M

3. 1080i59.94, legacy format over SMPTE 292M

The raster data shall be as defined in SMPTE 296 and SMPTE 274.

4.3 SMPTE Video Output

The display shall have a minimum of one SMPTE output connector on the rear housing. The format of the Video Out signal shall be the same as the video input. The output shall feed thru for recording by an external digital recording device.

4.4 Data Transfer Connection

The display shall have at least one MIL-DTL-3899 data/com port located in the rear of the housing. The data/com port provides firmware download, BIT requests, BIT results and firmware revision requests to the DU.

5.0 Display Power

5.1 Power Connector

The display shall have one power connector on the rear housing. This shall be a MIL-DTL-

38999 style connector. The power shall comply with MIL-STD-704.

5.2 Power

It is desired that the display power not exceed 300 watts, utilizing 28 VDC and shall operate satisfactorily with electrical power applied per MIL-STD-704 for normal and abnormal operation. This translates to an operating voltage range of 20 to 31.5 VDC.

5.3 Power Reversal

The display shall not be damaged by reversal of the +28 VDC power input and shall provide overload and current-limiting protection.

5.4 Transient Voltage

The display shall withstand transient voltages as specified in MIL-STD-704 for normal and abnormal operation without damage or upset.

5.5 Power Interrupt

Loss of power shall not produce an unsafe system condition or cause the equipment to be damaged. The displays shall operate normally after power is restored.

5.6 Field Software Download

Software shall be upgradeable in the field. A Field Service Technician shall be able to use a

Windows laptop to perform this function thru the Serial Communication port.

6.0 Physical Requirements

6.1 Dedicated Controls

The displays shall have the following dedicated controls that permit use with a winter flight glove or dive glove:

6.2 Power Control

There shall be an on/off selector used to turn the display from Off, (standby) to Night Mode

(night operating backlighting), and to Day Mode (daylight operating backlighting).

The displays shall be powered-on if the system is in a power-on state (Mode Control knob is not set to OFF).

7.0 Display Control

7.1 Display Luminance Control

It is desired that the luminance of the display can be changed to allow the user to set any desired luminance level from minimum to maximum. The Luminance Control buttons shall be illuminated in Day or Night mode and shall be off in Off mode. The buttons shall survive thru 1 million pressing operations.

7.2 Contrast Control

The contrast of the display can be changed utilizing the contrast control. Contrast controls shall be easily accessible to the operator and clearly marked. The control will allow the user to set any desired contrast level from minimum to maximum. The Contrast Control shall be illuminated in

Day or Night mode and shall be off in Off mode.

7.3 Symbology Control

The display shall have a symbol control. The symbology control shall change the symbology characteristics. This control over symbology is performed in the SENSOR system. This control allows the user to adjust the symbology characteristics over an 8-bit range in 256 steps. The

SYM information shall be communicated over the data/com link as described in par 4.4.

7.4 Soft key Buttons

It is desired to have soft keys with illuminated center dots located on the front of the display bezel, five buttons on each side of the display, and five buttons along the bottom of the display.

These buttons shall be used to select the on-screen soft menu options. Press the button that corresponds to the onscreen menu feature to select the feature. The soft key buttons shall be illuminated in Day or Night mode and shall be off in Off mode. Night luminance shall be subdued to match existing platform night lighting. The soft key information shall be communicated over the serial communication link as described in Appendix B. The buttons shall survive thru 1 million pressing operations.

7.5 Video Source Control

There shall be a control switching between video input sources. The video source control shall select the video channels as determined by the Setup Screen. The Video Source control shall be illuminated in Day or Night mode and shall be off in Off mode. The button shall survive thru 1 million pressing operations.

8.0 Miscellaneous

8.1 Video Recording

It is desired that the DU has the capability to record high resolution (1920x1080i) video from a minimum of source inputs to onto an expansive terabyte removable recoding medium. The recorder shall be capable of recording 24 hours of continuous high resolution video without recording over previously recorded material without operator concurrence. . The record shall have a removable memory that provides connection to external media devices and interface with industry standard IT systems. The recorder shall support color and monochrome capture and replay. The recording controls shall be accessible to the operator via a clearly identified bezel button on the DU.

8.2 Operating Temperature and Humidity

The DU shall operate in environmental temperatures between -51°F -160°F in a humidity between 0% and 100% at 10,000 Ft.

8.3 Color/Finish

It is desired that the color/finish of the Display Unit is hard anodized per AMS 2469 (black) coating. After anodization, the part is to be sealed. The color chip 37038, aircraft black, type 2 shall be used as a guideline for the finish.

8.4 Cooling

The unit shall be cooled by passive, closed-system design. It shall operate successfully in full sunlight indefinitely.

8.5 Weight

The display shall be as light as possible and still meet all requirements. It shall weigh no more than 12 pounds.

8.6 Mounting

The DU shall be panel mounted using either the panel, RAM, VESA, rack or custom style mount.

8.7 Sealing

The DU shall be a sealed unit (to IP67) to prevent ingress of harsh environments. No blow-by or breather ports are permitted.

8.8 Reliability

The displays shall be designed using MIL-HDBK-338 as a guideline and meet the following criteria:

- Mean time between failures shall be at least 10,000 hours.

- The display system shall have an operational service life of not less than 40,000 hours or 20 years, whichever comes first, under any natural combination of environmental conditions.

Operational service life shall include all operating time between the start of operation and the point where overhaul or repair costs exceeds one-half of the replacement cost of the equipment.

8.9 Maintainability

MIL-HDBK-2084 and DOD-HDBK-791 shall be used a guide for maintainability in establishing design and evaluation criteria.

8.10 Power-up Video Channel Default

It is desired for the power-up video channel default to be the last channel chosen upon power down.

8.11 Reversibility Restriction

The High-definition Display Unit shall incorporate features such that it is mechanically and electrically impossible to install incorrectly and to attach cables, electrical plugs, or any other such items in an improper manner. In the event of improper connection, no damage shall be done.

8.12 Safety

Safety shall be in accordance with best commercial practices to eliminate hazards, prevent injury to personnel, and damage to the equipment. The system shall be designed fail safe such that no single failure, whether detected or undetected, can cause an unsafe condition. MIL-STD-882 shall be used as a guideline for safety management principles.

8.13 Identification Plate

All displays shall be identified and marked by an inconspicuous Identification Plate. The ID number shall contain manufacturer, model, serial number, and manufacturing date.

8.14 Interchangeability

Any display with the same part number, shall be functionally and physically interchangeable.

8.15 Cold Start-up Time

It is desired for the display be readable and operational within 30 seconds from a cold start above

0 degrees Celsius. It is desired that the display also be readable and operational within 3 minutes or less at temperatures between 0 and -20 degrees Celsius and within 6 minutes or less at temperatures between -20 and -40 degrees Celsius.

9.0 BUILT-IN TEST

9.1 BIT Types

The system shall support three types of Built-In-Test (BIT): Continuous BIT, Initiated BIT, and

Power-up BIT that detects and isolates faults to at least an LRU level. Results of BIT failures shall be stored in nonvolatile memory with time and date stamping. Results shall have the ability to be used on an equipment status display to access the operational readiness and identify degraded or failed system conditions.

9.2 Continuous BIT (CBIT)

The display system shall accept initiated tests and shall identify degraded or failed system conditions.

9.3 Initiated BIT (IBIT)

The display system LRUs shall execute a self-test upon command.

9.4 Power-Up BIT (PBIT)

The display system shall self-test during start-up power application.

10.0 Environmental Testing

Display shall meet environmental testing requirements of MIL-STD-810(H) or commercial equivalent DO-160. At a minimum display shall be tested against the below listed environmental factors:

Operating Temperature

Storage Temperature

Relative humidity operating & Storage

Vibration Method

Shock Method

EMI/EMC

Altitude operating & Storage

Salt Fog