User's Manual

Chapter 3 Operating Instructions
SKY899 Pilots Guide
3-3
Preliminary
Run the Self Test
Run the Operator-Initiated Self Test
It is recommended, but not required that you should run the
operator-initiated self test before the first flight of the day (or as
specified in your
Aircraft Flight Manual [AFM]), and whenever
you get a
Failed screen.
1. With the
SKY899
in standby or failed mode, press the
TEST
button.
The SKY899 begins its
self test and the test
screen (figure
3-5)
appears. Upon
successful completion
of the self test, you
will hear
SKY-
WATCH
System Test
Passed and the
display will revert to
the previous standby
or traffic screen.
2. If you hear
SKY-
WATCH
S
ystem
T
est
F
ailed or see a
SKY899
F
ailed screen, push the
TEST
button
again. If it fails again, refer to the
M
essage
R
esponse section
on page
3-7
.
3. If you hear
SKYWATCH
S
ystem
T
est
P
assed without seeing
the test screen, and the
OFF/BRT
knob is turned to
BRT
, turn
off the
SKY899
and contact your authorized
BFG
oodrich
A
vionics
S
ystems dealer for troubleshooting help.
Switch Between Standby & Normal Operating Mode
When youre on the ground, you must manually switch out of
standby if you want the
SKY899 to display traffic information.
The ability to switch out of standby on the ground in conjunc-
tion with the above display mode is especially useful for
scanning the airspace around the airport before takeoff.
1. To manually switch into normal operating mode from the
standby screen (figure
3-2
), press the button labeled
>>
>>
>
OPR
.
Figure 3-5. Test Screen
6
nm
NRM
SYSTEM
TEST
IN
PROGRE
S
S
-10
+10
-02
BRT
OFF