737 MAX Flight Crew Operations Manual
Communications -
Controls and Indicators
MN-FLT-OH-201
5.10.17
1
VOICE RECORDER Switch
AUTO - powers the cockpit voice recorder from first engine start until 5 minutes
after last engine shutdown
ON - powers the cockpit voice recorder until first engine start, then trips the switch
to AUTO.
Call System
Forward Overhead Panel
1B401, 1B402, 1B801 - 1J594
1
Ground Call (GRD CALL) Switch
Push – sounds a horn in nose wheel well until released.
2
Attendant Call (ATTEND) Switch
Push –
• sounds a two–tone chime in passenger cabin
• illuminates pink master call lights.
1B785, 1B786
ATTEND
GRD
CALL
FWD OVHD PANEL
1
2
ATTEND
GRD
CALL
CALL
FWD OVHD PANEL
1
2
3
October 26, 2021