Ki 256 Installation Manual -

| Pin | Function | Wire AWG | Notes | |-----|----------|----------|-------| | A | +28 VDC (Gyro motor) | 22 | Switched by gyro circuit breaker | | B | DC Ground | 22 | Return for gyro motor & electronics | | C | +28 VDC (Flight Director logic) | 24 | Optional, from FD computer | | D | Pitch command (analog ±6V) | 24 | Shield to pin E at source | | E | Pitch command return | 24 | Shield drain ground at computer | | F | Roll command (analog ±6V) | 24 | Shield to pin H at source | | H | Roll command return | 24 | Shield drain ground at computer | | J | Backlight Hi | 22 | 5V AC/DC max | | K | Backlight Lo | 22 | Return | | L | Instrument ground | 22 | Connect to avionics ground bus |

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is a self-contained, air-driven Flight Command Indicator (FCI) that serves as the primary attitude and flight director display for various BendixKing Flight Control Systems . It is notably used in the systems. Key Installation Features | Pin | Function | Wire AWG |