737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
Controls and Indicators
11.10.4
MN-FLT-OH-201
Alpha/Numeric and Miscellaneous Keys
1
Alpha/Numeric Keys
Push –
• puts selected character in scratchpad
• Slash (/) key – puts “/” in scratchpad
• Plus Minus (+/–) key – first push puts “–” in scratchpad. Subsequent
pushes alternate between “+” and “–”.
2
Delete (DEL) Key
Push – puts DELETE in scratchpad.
3
Clear (CLR) Key
Push –
• clears the last scratchpad character
• clears scratchpad message.
Push and hold – clears all scratchpad data.
4
Space (SP) Key
Push – puts space in scratchpad.
1
2
.
7
8
4
5
0 +/-
3
9
6
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
/
DEL
CLR
SP
MCDU
4
3
2
1
March 1, 2021