OPERATOR’S MANUAL
CMA-9000 FLIGHT MANAGEMENT SYSTEM
The angle display reference DISPLAY (TRUE or MAGNETIC) is controlled via an external true/mag cockpit
switch.
CAUTION: For those installations where the FMS is the only source of magnetic information, it is possible to
configure the FMS to prevent invalidation of magnetic angles in high latitude regions. The purpose of
this feature is to enable operations in some airports charted in magnetic angles and located
marginally within the high latitude region. Special care should be taken at the aircraft level when
enabling this feature given that the magnetic data becomes less reliable when approaching the poles.
Page 3-8
August 17, 2010
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