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Use and disclosure shall be in accordance with the proprietary information notice and DCS on page i.
UG2243800-4XX
May 28, 2019
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Front Panel Buttons
There are four buttons on the front panel:
Button
Description
MODE
This button is used to exit out of the current menu or to escape
certain functions in process.
The SELECT button is used to enter into the selected menu. It is
SEL
also used to choose or confirm any changes made to the LRU.
+
The + (PLUS) button is used to advance though the various
menus and parameters.
The
–
(MINUS) button is used to reverse though the various
-
menus and parameters.
Access Door
The outside of the access door has the label which displays the Part Number,
Serial Number, and MOD Status. The door, which swings down, can be
opened by rotating the thumbscrew counter-clockwise. Behind the door are
the Removable SIM Module (RSM), the Compact Flash (CF) Recording Media,
the RJ-45 port, and the RJ-12 Console Port. The CF Recording Media contains
encrypted backup flight data and the system log file. The Removable SIM
Module can hold up to four SIM cards, one for each of the four cellular radios
inside the LRU. Maintenance procedures for the Removable SIM Module and
CF cards are in Section 4.