737 Flight Crew Operations Manual
Air Systems -
Controls and Indicators
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 2.10.7
Cabin Altitude Panel
1 CABIN Altimeter (ALT)/Differential Pressure (DIFF PRESS)
Indicator
Inner Scale – indicates cabin altitude in feet.
Outer Scale – indicates differential pressure between cabin and ambient in psi.
2 CABIN Rate of CLIMB Indicator
Indicates cabin rate of climb or descent in feet per minute.
3 Altitude (ALT) HORN CUTOUT Switch
Push –
• cuts out intermittent cabin altitude warning horn
• altitude warning horn sounds when cabin exceeds 10,000 feet altitude.
DN
UP
2
1
2
3
3
4
0
1
C
A
B
I
N
C
L
I
M
B
1
0
0
0
F
E
E
T
P
E
R
M
I
N
5
X 1000 FEET
ALT
CABIN
50
40
35
30
25
20
15
10
5
0
10
9
8
7
6
4
3
2
1
0
OFF & LDG
PRESS DIFF
CUTOUT
HORN
.125 PSI
LIMIT:TAKE-
ALT
D
I
F
P
R
E
S
F
S
P
S
I
.5
.5
FORWARD OVERHEAD PANEL
1
2
3
March 26, 2015
To Next Page
Loading...
