R5
SUPREME - Navigation System MkII
SYSTEM OVERVIEW
7000 118-383, B1
Page 29
6
SYSTEM OVERVIEW
This chapter describes how to use and
interpret the system’s units as well as operate and
navigate through the system menus.
6.1
Buttons and LEDs on R5 SUPREME CDU
Figure 7
– LEDs and Buttons on CDU
1.
Status LED (multi-colour)
This LED is constant green when the R5 Navigation System is operating and no alarms are
active. The LED is constant red if there are one or more active alarms and it is flashing red if
there are one or more unacknowledged alarms.
2.
RAIM LED (multi-colour)
This LED shows the current RAIM status of the R5 Navigation System.
Green = “Safe” state (Estimated position error smaller than RAIM level)
Yellow = “Caution” state (Position error is unknown)
Red = “Unsafe” state (Estimated position error is larger than RAIM level)
3.
Mode LED (multi-colour)
This LED is not used in the R5 Navigation System
4.
LS
Not used in this product
