SUBTASK 47-31-02-740-006
(5) If the BDU is inhibited, these display messages will show:
(a) In Air
NOTE: The airplane is in the air mode.
(b) Switch Inactive
NOTE: You pushed a control button that is not on.
(6) Inhibited: CMCS Active
NOTE: The CMCS Active mode is active.
G. Power Off Mode
SUBTASK 47-31-02-740-007
(1) Push the ON/OFF button again to stop the BDU.
NOTE: This puts the BDU in standby.
SUBTASK 47-31-02-740-008
(2) When you push the ON/OFF button, TURN OFF DISPLAY? will show.
NOTE: When you push the ON/OFF button, you stop the display. The BDU will not stop when
DISPLAY TEST? shows during a BDU initiated test.
(a) If you push the YES button, the BDU will go to standby, and show no text.
(b) If you push the NO button, the BDU will go to the previous mode.
H. Main Menu Items
SUBTASK 47-31-02-740-009
(1) These are the main menu items:
(a) Existing Faults?
(b) Fault History?
(c) Ground Tests?
(d) Other Functions?
SUBTASK 47-31-02-740-010
(2) Push these buttons to move through the main menu:
(a) up arrow
(b) down arrow
(c) NO
SUBTASK 47-31-02-740-011
(3) You can find more data about the main menu in these tasks:
(a) BDU Existing Fault Menu, TASK 47-31-02-740-802
(b) BDU Fault History Menu, TASK 47-31-02-740-803
(c) BDU Ground Test Menu, TASK 47-31-02-740-804
(d) Other Function Menu, TASK 47-31-02-740-805
SUBTASK 47-31-02-740-012
(4) After you do the necessary maintenance tasks, go to the subsequent procedure.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-31-02
Page 203
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590,
592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 980-999;
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405,
406, 409, 410, 412, 416, 424, 425, 427-429, 451, 501-504, 507, 508, 512-514, 516, 518,
524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703,
707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003
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