Navigation Mode/Cdi Scale Changing - BENDIXKing AeroNav 910 Pilot's Manual

AeroNav 900/880 Series Pilot's Guide

NAVIGATION MODE/CDI SCALE CHANGING

Each navigation mode has an associated CDI scaling associated
with it per the table below:
Navigation Mode
Enroute
Terminal
Approach
In order to prevent abrupt changes to CDI deflection (especially
important during autopilot-coupled operation), the mode changes
and CDI full scale deflection changes are gradual.
Automatic transitioning between the navigation modes occurs in
accordance with the following diagram:
6-22 Navigation
CDI Full Scale Value
2.0 NM (5.0 NM for non-
WAAS)
1.0 NM
0.3 NM or 2°, whichever is less
at the FAF
89000039-010
Rev 1 May 2019