KDU-44 Keyboard Display Unit

KDU-44 Keyboard Display Unit is a color display using Active Matrix Liquid Crystal Display (AMLCD) technology, with an active display area of 4 by 4 inches.

KDU-44 is designed to fully comply "ARINC-739 Multi- purpose Control and Display Unit" standard. It can transmit, receive and display data and status information from subsystems that are compatible with ARINC-429 and ARINC-739 standards.

KDU-44 provides Man Machine Interface (MMI) for operator data entry, avionics subsystem mode selections and subsystem status displays (flight, navigation, communication, weapon management) in accordance with ARINC-739 protocol.
Important Features

General Specifications

    ARINC-739A Protocol Support
    Wide Active Area
    NVIS Class B Compatible
    Alphanumeric Keys
    Compact Design
    Easy to Integrate
    Ideal Match for Mission Computer Applications
    RTCA/DO-178B Compatible Software

Display Specifications

    Display Typer: Color Active Matrix Liquid Crystal Display
    Display Area: 4" x 4"
    Resolution: 480 x 480 (120 PGPI)
    Display Color: 262144 colors
    Viewing Envelope: +/- 45° horizontal
                                         +/- 60° vertical
    Luminance Range: 0.04 fL - 160 fL
    NVIS Compatibility: MIL-L-85762A, Class B

Technical Specifications

    Interfaces: ARINC-429 Serial Communication, Discrete I/O Interfaces, RS-422 (Maintenance Interface),              RS-232 (Maintenance Interface)
    Operating Voltage: 28VDC
    Power Consumption: 40W (Operating)
                                              80W (Heaters On)


    Environmental Conditions: MIL-STD-810
    EMI/EMC: MIL-STD-461
    Power: MIL-STD-704

Physical Specifications

    Dimensions : 190.5 mm (H) x 146 mm (W) x 114 mm (D)
    Weight : < 2.5 kg
    Cooling : Natural Convection