BACK KEY:
The BACK Key is used to
erase errors and page back-
ward when the cursor is not dis-
played. It can also be used to
change data in a field if the cur-
sor is present.
SPACE (SP) KEY:
The SP Key is used to enter a
space when entering a mes-
sage on an AFIS Page. This
key is not functional if AFIS is
not installed in the system.
ENTER KEY:
When the ENTER Key is
depressed, data is entered into
the computer memory.
DISPLAY SELECTOR KEYS:
NAV
(Navigation), VNAV
(Vertical Navigation), AFIS
(Airborne Flight Information
System), FPL (Flight Plan),
PLAN
(Planning),
HDG
(Heading), TUNE
(Radio
Tuning), and
d
(Direct) are
used to select the pages per-
taining to that particular section.
The first page of a section is dis-
played first when a Display
Selector Key is pressed. With
each subsequent press of the
Key, the next sequential page
will be displayed.
Description
1-6
GNS-X
LS
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
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
*
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
*
Summary of Contents for GNS-XLS
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