Installation Manual

Table Of Contents
Lynx NGT-9000
Installation Manual
0040-17001-01 (Revision W) Installation Checkout Page 3-17
3.5 MAINTENANCE MODE
The unit can enter Maintenance mode without the use of a MPC using the following procedure. This
procedure may only be used while the unit is on ground and within the first two minutes of operation.
1. Apply power to the unit as indicated in paragraph 3.2.1.1.
2. After the splash screen is shown (i.e. L3 Logo) and begins to dim, press and hold in the lower left
corner (see red target below) of the display (continue holding when the status and version screens are
showing) until the Activate Maintenance Mode window is shown on the right screen. See Figure 3-7.
Figure 3-7: Activate Maintenance Mode Window
3. Tap the Yes button to restart the unit in Maintenance Mode. Note - Tapping the No screen button or
10 seconds of inactivity starts normal operation mode. The Maintenance Mode windows are shown
in Figure 3-8.
Note: Some failure conditions automatically activate the maintenance mode. The reason for the
automatic activation is shown on the screen.
Main Screen Reboot Screen
Figure 3-8: Maintenance Mode Screens
4. From the Main Screen tap the Reboot text.
5. From the Reboot menu tap the Maint No-WiFi > .
A maintenance screen is shown on the unit while in maintenance mode.
3.6 VERIFY SOFTWARE VERSION
The Maintenance PC (MPC) and Maintenance Application Tool (MPC (MAT)) are used to interface with
the unit to load software/firmware/databases, view factory / version data, and retrieve fault / event logs.
These procedures assume the following:
Power is being supplied to the aircraft and unit.
The MPC (MAT) is active on the MPC. Refer to the General Information section, paragraph 1.9 for
details on the correct MPC (MAT) that must be used for specific software revisions (Release's).
The MPC is connected to the unit via the USB interface.
The MPC and unit are communicating. From the MPC (MAT) panel select
ConnectNGT9000USB. This is required each time the unit power is cycled.