AeroNav 900/880 Series Pilot
’s Guide
89000039-010
7-52
General
Rev 1 May 2019
MAINTENANCE MODE
During normal operation, when power is applied to the AeroNav it
starts up in "flight mode". However, there is a separate built-in
"maintenance mode" that is used for various reasons including
changing the configuration of the AeroNav interfaces, uploading
databases, downloading logs, and performing software updates.
Typically, the only reason to get into maintenance mode is during
initial AeroNav installation and then periodically to update
navigation, obstacle, and chart databases. A detailed explanation
of the maintenance mode features that are used during AeroNav
installation is given in the AeroNav installation manual. Features
that are reasonably used by the pilot are described elsewhere in
this pilot's guide. This section describes only the method for
starting maintenance mode and the method to return to flight
mode.
STARTING MAINTENANCE MODE AT POWER UP
If the AeroNav is powered off, maintenance mode can be started
by inserting a USB fob into the USB port located on the front
panel of the AeroNav. Once the fob has been inserted, apply
power to the AeroNav and the unit will power up into maintenance
mode. If the fob is empty, the "Logs" tab will be selected.
Otherwise, the "Update" tab will be selected.
STARTING MAINTENANCE MODE FROM FLIGHT MODE
If the AeroNav is already powered up in flight mode
and the
AeroNav can determine that the aircraft is on the ground
,
maintenance mode can be started using one of two LSKs located
on the AUX SYS tab.
Download Logs LSK
The Download Logs LSK is intended for use when downloading
logs. The AeroNav logs several parameters and events during
normal AeroNav operation. Those logs are often useful for
technical support. Press the Status LSK until Software is
selected. Then press "Download Logs", which will have
appeared by the bottom left LSK (L4). At that point, the LSKs will
be changed to "Confirm" and "Cancel". Press Confirm to switch
to maintenance mode. When the system restarts into
maintenance mode, the "Logs" tab will be selected.
Summary of Contents for AeroNav 880
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