R **ON A/C 051-099,
R B. BITE Implementation
R (1) Internal test processing
R ----------------------------------------------------------------------------
R | TEST | TESTED INTERNAL COMPONENTS | DURATION | ACTIVATION |
R | DESIGNATION | | | CONDITIONS |
R ----------------------------------------------------------------------------
R | Power-up test | Power supply module | 3 s | Power interrupt|
R | | ROM - RAM | | > 200 ms |
R |---------------|------------------------------|----------|----------------|
R | MCDU system | - NAV receiver | | Relevant MCDU |
R | test | - BITE circuitry | | menu and line |
R | | - SYS failure LED indication | | key selection |
R | | on the ATC control unit | | |
R |---------------|------------------------------|----------|----------------|
R | Face test | - ROM, RAM check | | Relevant P/BSW |
R | | - Antenna integrity | | activated on |
R | | - Receiver (top/bottom) | | XPDR face. |
R | | - Transmitter | | |
R | | - Reply format | | |
R | | - Power supply monitor | | |
R | | - I/O bus check | | |
R | | - Non-Volatile Memory | | |
R ----------------------------------------------------------------------------
R (2) Activation of the test on the indicators
R The ATC 1(2) test function can be activated in ground conditions only
R by pressing the TEST key on the ATC 1(2) maintenance sub-menu or by
R pressing the pushbutton switch on the face of the transponder.
R The following sequence is then generated on the output of the
R equipment:
R -------------------------------------------------------------------------
R | DURATION | MESSAGE | ATC CONTROL UNIT AND FACE OF ATC TRANSPONDER |
R -------------------------------------------------------------------------
R | FOR 3 s | Failure | - Failure light comes on on control unit |
R | | | - all LEDs come on on transponder face |
R | AFTER 3 s | | - ATC Transponder LEDs indicate the current |
R | | | condition of the unit |
R | FOR 10 s | | - The LEDs associated with the self-test results|
R | | | come on. Afterwards, all LEDs go off. |
R -------------------------------------------------------------------------
R **ON A/C 106-149, 201-210, 221-299, 301-399, 401-499,
B. BITE Implementation
(1) Internal test processing
----------------------------------------------------------------------------| TEST | TESTED INTERNAL COMPONENTS | DURATION | ACTIVATION | | DESIGNATION | | | CONDITIONS | ----------------------------------------------------------------------------| Power-up test | Power supply module | 3 s | Power interrupt| | | ROM - RAM | | > 200 ms | |---------------|------------------------------|----------|----------------| | MCDU system | - NAV receiver | | Relevant MCDU | | test | - BITE circuitry | | menu and line | | | - SYS failure LED indication | | key selection | | | on the ATC control unit | | | |---------------|------------------------------|----------|----------------| | Face test | - ROM, RAM check | | Relevant P/BSW | | | - Antenna integrity | | activated on | | | - Receiver (top/bottom) | | XPDR face. | | | - Transmitter | | | | | - Reply format | | | | | - Power supply monitor | | | | | - I/O bus check | | | | | - Non-Volatile Memory | | | ----------------------------------------------------------------------------
R 1EFF : 051-099, 106-149, 201-210, 221-299, 1 34-52-00Page A4 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1
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