89000046-014 KSN 780/8XX/900 AeroNav AML STC Installation Manual for Helicopters
Rev 0 Page 7-27
© Honeywell International Inc. Do not copy without express permission of Honeywell.
SDI:
Common RX: Accepts all 429 inputs
TX: Generates all 429 outputs with SDI =0
Number 1 (Pilot) VOR/ILS Receiver
RX: Accepts 429 inputs with SDI = 0 or 1
TX: Generates all 429 outputs with SDI = 1
Number 2 (Copilot) VOR/ILS Receiver
RX: Accepts 429 inputs with SDI = 0 or 2
TX: Generates all 429 outputs with SDI = 2
Table 111 VOR/LOC/GS SDI Selection
DME Mode:
Selection Description
Directed Freq 1 If the AeroNav XXX is connected to a single-channel or multi-channel
ARINC429 DME, Direct Freq 1 will channel Receiver 1.
Directed Freq 2 If the AeroNav XXX is connected to a multi-channel ARINC429 DME,
Direct Freq 2 will channel Receiver 2
Table 112 DME Mode Selection
7.5.11 GPS Vertical Offset
This page will configure the GPS Receiver for the antenna offset on the aircraft and designate if the
AeroNav XXX will use the WAAS functionality of the system.
Figure 17 GPS Antenna Setup
Measure the distance from the ground to the top of the GPS antenna to nearest tenth of a foot, as
shown in the image below, and enter the value into the AeroNav XXX.