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Evolution Backup Display Pilot’s Guide091-00027-001 REV A
1.1.1. Evolution Backup Display System (EBD)
The EBD is a digital system that consists of a high resolution, six-inch diagonal color LCD
display, user controls, photocell, and microSD data card slot. The three-inch diameter,
four-inch deep can on the back of the display contains a non-removable electronics
module that includes:
• A Sensor Board with solid-state Attitude and Heading Reference System (AHRS) and
digital Air Data Computer (ADC)
• A Main Application Processor (MAP) board with Central Processing Unit (CPU),
graphics processor and system memory
• An Input-Output Processor (IOP) board for integrating communications with other
aircraft systems
Also on the rear of the unit (Figure 1-3) are:
• An access cover for removing and replacing the built-in backup battery
• Pneumatic connections to the aircraft’s pitot and static systems
• 44-pin D-sub connector for electrical connections to the PFD
• Two cooling fans, to cool the electronics and LCD backlights
The EBD mounts to the front surface of the instrument panel.
Figure 1-3
EBD Rear Connectionss
44-pin D-Sub for Electrical Connections
Access Cover to Internal Battery
Pitot & Static System Connections
091-00027-001 Rev A EBD Pilots Guide V&H .indb 3 8/27/14 8:50 AM
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