Honeywell PRIMUS 1000 Pilot's Manual page 206

PRIMUSr1000 Integrated Avionics System
Step
6 Push the NAV button on the GC. With the aircraft outside
the normal back course localizer capture limits, and more
than 105_off the localizer front course heading, the PFD
annunciates BC in white and HDG in green, as shown in
the display below.
7 At back course capture, the PFD annunciates BC in green,
as shown in the display below. BC is enclosed in a white
box for 8 seconds.
Modes of Operation
8-18
Procedure
M
M
30
Back Course Flight Procedure
Table 8--5
30 30
20 20
30 30
--2000
AD--50984--R1@
30
30
30
--2000
3
2
1
0
1
2
3
AD--50986--R1@
A28--1146--112--00