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NAVIGATION SYSTEM DIAGNOSTIC MODE DISPLAYS
The Mark II system does not commu-
nicate with the DIS. It does however
provide an onboard diagnostic mode
on screen display function.
These screens provide system hard-
ware/software identification numbers
and status of Navigation specific func-
tions for use as a diagnostic tool. The
screens are accessed as follows:
From the main menu select Set.
Once in the Set function, press
and hold the menu button for 8
seconds.
The first screen to appear is the
SERVICE MODE menu.
The On-board monitor and Video
module selections are not functional
even though they are displayed.
The first accessible function is the
NAVI/GRAPHIC ELEMENT. This screen
is for identification of hardware/ soft-
ware specific index versions for the
installed system.
The next available selection from the
service mode menu is GPS. Pressing
GPS brings up the GPS version dis-
play.
This display provides the GPS receiv-
er module hardware version number
and date of programmed software.
Pressing the functions button in the
lower right corner of this screen pro-
vides a sub-selection menu of addi-
tional GPS system status.
60
On-Board Monitor and Navigation Systems