The converter accepts the Magnetic Heading (ARINC 407 3-wire Synchro Data Inputs) and converts to A-429 low speed output label 320.

Inputs:

• ARINC 407 3-wire (X, Y, Z) Synchro Heading Input
• Reference (H, C) 26VAC 400Hz
• 1 Discrete Input (Synchro Valid)

Output:

• ARINC 429 (A and B) Label 320