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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-XL Flight Management System
Rev. 0
Oct/96
ENT
BRT
AFIS
HOLD
D
MSG
GHI JKL
MNOPQR
S
TUVWX
YZ
#
SP
1 2 3
4 5 6
7 8 9
± 0
*
A B C D E F
BACK
PLANFPL
NXTPRV
NAV VNAV
HDG TUNE
ON
ENT
BRT
AFIS
HOLD
D
MSG
GHI JKL
MNOPQR
S
TUVWX
YZ
#
SP
1 2 3
4 5 6
7 8 9
± 0
*
A B C D E F
BACK
PLANFPL
NXTPRV
NAV VNAV
HDG TUNE
ON
ENT
BRT
AFIS
HOLD
D
MSG
GHI JKL
MNOPQR
S
TUVWX
YZ
#
SP
1 2 3
4 5 6
7 8 9
± 0
*
A B C D E F
BACK
PLANFPL
NXTPRV
NAV VNAV
HDG TUNE
ON