IFD400 Series Pilot Guide
6-8 General
Stuck mic timeout, transmitter disabled
Requires 35 seconds of continuous transmission. Verify the
PTT is stuck and contact a dealer for service as required.
Transmitter Fault, no TX ability
Transition to a backup VHF com radio (if available) or
initiate lost communication procedures. Contact the Avidyne
Service Center or a dealer for service.
Configuration Error – IFD Requires
Service
The IFD has encountered an internal error while determining
the system configuration. Contact the Avidyne Service
Center or a local dealer for service.
Negative climb rate or altitude loss
TAWS NCR algorithm has determined corrective action
should be taken immediately.
The GPS has stopped providing a navigation solution. If
GPS is the only navigation solution source available, then
expect degraded IFD operation (e.g. no map, no FMS
guidance, etc.)
GPS Integrity Lost Crosscheck Nav
This is alerting about imminent exceedance of horizontal
fault detection limits or protection levels. Crosscheck the
nav solution and determine the best course of action but if
on an approach, a Missed Approach is recommended.
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