1
1
2
2
3
3
4
4
5
5
6
6
DIR
PROG
PERF
INIT
DATA
BRT
F-PLN
RAD
NAV
FUEL
PRED
SEC
F-PLN
ATC
COMM
MCDU
MENU
DIM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
/
SP
OVFY
CLR
AIR
PORT
←
↑
→
↓
1
2
3
4
5
6
7
8
9
.
0
-