OPERATING MANUAL
3-10
21833-3.4
NORMARC 7013
INSTRUMENT LANDING SYSTEM
Main cabinet ©1999 Navia Aviation AS
denied access if the switches are not correctly set.
Figure 3-9 An access denial screen: Switch in REMOTE position.
3.3.3.2 Level 3
To enter the level 3 menu option, the front panel switches must be as for level 2 access. In
addition the WRITE PROTECT switch must be in «ACCESS» position. The user must key a 4
character password to enter level 3 access. The access-screen is operated similarly to an
input/sto
re-screen. The blink
ing cursor is moved by the <PREV> and <NEXT> keys. A blink-
ing input-field is changed by the plus «+» and minus «-» keys.
When the correct password is entered, the cursor must be moved to the <level 3 access>-
field. The brackets will then start blinking. The <ENTER> key will now bring the user to the
level3 options. The <ESC> key leaves the screen back to the main menu.
Figure 3-10 Level 3 access screen.
3.3.3.3 Leaving the access levels
If the user enters level 2 or 3, an extra menu line is added in the main menu screen. This is a
leave current access level option. The user must enter this menu option to quit the current
access level - typically when leaving the ILS.
The access levels are also left when the front panel switches are changed to an illegal posi-
tion. (e.g. switch in REMOTE position)
Figure 3-11 The top level main menu screen: User in level 3 access.
3.3.4 Function listing
The menu system includes the following functionality.
3.3.4.1 Level 1
Readout of all the monitor values, warning and alarm limits.
Readout of all the maintenance values and warning limits.
Readout of all the delays.
Readout of all the TX1 and TX2 configurations.
Local switch on
Front panel in
REMOTE position
Push <ESC>
LEVEL ACCESS 3
m m
m m
<level3 access>
>Read syst para L1
Local settings L2
Syst settings L3
Leave access 3
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