3
Operational Basics
CHAPTER
3-3
DEMO MODE: NOT FOR FLIGHT ■ The SN3308 has a special
TO EXIT: POWER UP WHILE software mode for use
HOLDING NAV-MAP-BRG with the Sandel
demonstrator chassis. This
message should never
appear on an instrument
installed in an aircraft. When
in DEMO mode, certain
installation-specific items
such as gyro settings,
calibrations, etc. are erased.
If the message occurs, do
not use the unit for flight
until it has been reset by an
avionics shop and a
complete ground check has
been performed.
In addition to these power-up messages, Chapter 7 describes a
complete list of both normal and abnormal messages which can be
displayed on the SN3308 at any time.
Selecting the Data
Sensor data
is data that comes from various devices within the
aircraft. This includes primary navigational instruments such as the
VOR, ADF and GPS or loran receivers, as well as instruments such as
the directional gyro (DG), fluxgate compass and Stormscope
®
.
Heading data from the directional gyro and fluxgate compass is
always applied directly to the SN3308’s compass card display, while
other types of sensor data can be displayed in several different ways.
You can control these displays by configuring the
course pointer,
the
bearing pointers,
the
map data
and the
weather data.
See illustrations
in Appendix 2.
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