737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
Controls and Indicators
11.10.24
MN-FLT-OH-201
ALT RPTG (altitude reporting) OFF – transponder operates without altitude
reporting.
XPNDR (transponder) – transponder operates with altitude reporting.
TA (traffic advisory) ONLY, and TA/RA (traffic advisory/resolution advisory) –
Refer to Chapter 15, Warning Systems.
5
Identification (IDENT) Switch
Push – transmits an identification signal.
6
Transponder (XPNDR) FAIL Light
Illuminated (amber):
• indicates transponder malfunction or
• ADS-B inoperative.
7
Altitude (ALT) SOURCE Selector
1 – enables altitude reporting from air data computer No. 1.
2 – enables altitude reporting from air data computer No. 2.
Weather Radar Panel
1B401, 1B402, 1B801 - 1B824
AUTO
GAIN
NORM
TEST
UP
ALT
UP
ALT
AUTO
MAN
MAN
MAP
MAP
GAIN
CAL
CAL
W
X
R
W
X
R
MAX
MAX
MIN
MIN
AFT ELECTRONIC PANEL
1
2
4
3
1
March 1, 2021