737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
Controls and Indicators
MN-FLT-OH-201
11.10.21
• DME displays:
•DME fail flag
•dashes
•normal DME distance.
1B785, 1B786, 1J585 - 1J594
With a GLS (as installed) frequency tuned and a course within 90 degrees of
airplane heading:
• pointers disappear and LOC and G/S flags appear momentarily
• pointers appear and display one dot up and one dot left
• pointers then display one dot low and one dot right
• pointers then return to normal display.
1B785, 1B786, 1J585 - 1J594
Note:
DME is not tested with GLS and no indications will be displayed.
5
Mode Switches
1B785, 1B786, 1J585 - 1J594
Push – manually inserts ILS, VOR or GLS into the standby indicator window.
6
Frequency Selection Keypad
Push – manually selects the standby frequency.
CLR – clears the standby frequency.
VHF NAV Transfer Switch
1
VHF NAV Transfer Switch
1B785, 1B786, 1J585 - 1J594
The VHF NAV transfer switch changes the source of the data that the DPCs use
for the navigation displays. The switch transfers the following data: DME,
ILS/GLS, VOR, and MCP course.
BOTH ON 1 – the DPCs use Multimode Receiver 1 as the source for the captains
display and first officers display.
NORMAL – Multimode Receiver 1 supplies data for the captains display and
Multimode Receiver 2 supplies data for the first officers display.
VHF NAV
NORMAL
BOTH
BOTH
ON 2
ON 1
FORWARD OVERHEAD PANEL
1
March 1, 2021
