Boeing 737-800 - IRS Transfer Switch; Radio Navigation Systems; Automatic Direction Finding (ADF) Control

737 Flight Crew Operations Manual
Flight Management, Navigation -
Controls and Indicators
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D6-27370-866-EGP 11.10.19
IRS Transfer Switch
1 Inertial Reference System (IRS) Transfer Switch
BOTH ON L – switches the flight instruments attitude and heading source to left
IRS.
NORMAL – flight instruments attitude and heading source is from default IRS.
BOTH ON R – switches the flight instruments attitude and heading source to right
IRS.
Radio Navigation Systems
Automatic Direction Finding (ADF) Control
1 Frequency Indicator
Shows the frequency selected with the related frequency selector.
Shows if the system is in the ADF or antenna (ANT) mode.
IRS
NORMAL
BOTH BOTH
ON R
ON L
FORWARD OVERHEAD PANEL
1
ADF
ANT
12
ADF
ANT
OFF
TONE
ADF
ANT
OFF
ADF 1
ADF 2
TEST
TEST
AFT ELECTRONIC PANEL
1
2
3
4
September 15, 2016