Features:
- Provides sensor input processing and switching, necessary deflection and video signals, and power for the EFD-84 Displays used in the EFIS-84 System
- Normally drives two Electronic Flight Displays (EFD) with different deflection and video signals (e.g. EADI/EHSI)
- Provides backup drive for cross-side EFDs in the event of a failure of the cross-side DPU
- Provides high temperature warning output that can drive external annunciator
- Version with GPS Approach capability (-004)