CONTROLS AND INDICATORS
ON:
Depress and release the ON
Key to apply power to the sys-
tem. There is a warm-up period
of approximately 30 seconds.
The display illumination will ini-
tially be set at 75% of full bright.
Depressing the ON Key for
approximately three seconds
will initiate the system power off
sequence. During the sequence
the display will show SYSTEM TURNING OFF. This is to prevent
inadvertent system shutdown.
NOTE: The system is also capable of being turned on and off by
cycling aircraft power.
BRIGHTNESS (BRT):
The BRT Key is used to change
the illumination of the display.
This key is also used for paral-
lax adjustment of the Line
Select Keys
NOTE: The illumination of the
front panel and keyboard is nor-
mally controlled through the air-
craft panel lighting control.
MESSAGE KEY/ANNUNCIA-
TOR (MSG):
The MSG annunciator will flash
to alert the operator that a mes-
sage needs to be viewed on
one of the SYSTEM MES-
SAGES or SENSOR MES-
SAGES Pages.
Description
1-4
GNS-XLS Flight Management System
Rev. 3
Sep/96
NAV
MSG
P
R
V
N
X
T
VNAV AFIS FPL ON BRT PLAN HDG TUNE
HOLD
BACK
ENTER
SP
123
456
789
#0
AB
D
CD EFGH
IJKL
STUV
MNOP
WXY Z
QR
*
NAV
MSG
P
R
V
N
X
T
VNAV AFIS FPL ON BRT PLAN HDG TUNE
HOLD
BACK
ENTER
SP
1 2 3
4 5 6
7 8 9
# 0
A B
D
C D E F G H
I J K L
S T U V
M N O P
W X Y Z
Q R
*
NAV
MSG
P
R
V
N
X
T
VNAV AFIS FPL ON BRT PLAN HDG TUNE
HOLD
BACK
ENTER
SP
1 2 3
4 5 6
7 8 9
# 0
A B
D
C D E F G H
I J K L
S T U V
M N O P
W X Y Z
Q R
*
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