(b)  
Make sure that port 14 is set to 0. (QAR installed)

 (c)  
Make sure that port 16 is set to 0. (printer installed)

 (d)  
Make sure that port 22 is set to 0. (ACARS installed)

 G. ARINC 429 Input Bus Tests
 S 865-197
 (1)  Get access to the BUS ACTIVITY STATUS display on the CDU:
 (a)  
Push the line select key adjacent to <RETURN on the center CDU two times to show the main ACMS menu.

 (b)  
Push the line select key adjacent to <STATUS.

 (c)  
Push the line select key adjacent to <BUS ACTIVITY.

 (d)  
Make sure that the BUS ACTIVITY STATUS display shows on the CDU.

 S 735-198
 (2)  Do this test of the input from the LRUs in the table below:
 (a)  
Look at the BUS ACTIVITY STATUS display.

 (b)  
Make sure that each bit is set to 0 for each LRU in the table below.

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 (c)  For one LRU at a time in the table below, open the applicable circuit breaker or breakers (two circuit breakers for DFDAC and MCP). 1) Make sure that the applicable bit changes to a 1 when the
 circuit breaker is open.
 2) Close the applicable circuit breaker.

 ~......................................................... | LRU | CB NAME | CB LOC | SDI | BIT | ........................................................... | ADC-L | ADC L PWR | 7A11 OR | 00 | 12 | | | | 7A10 | | | ........................................................... | ADC-R | ADC R PWR | 7A14 | 00 | 13 | ........................................................... | ADC-C *[C] | ADC C PWR | 7J14 OR | 00 | 14 | | | | 7J15 | | | ........................................................... | DFDAC | MAWEA PWR A | 7A01 | 00 | 15 | | | MAWEA PWR B | 7B01 | | | ........................................................... | FCC-L | FCC LEFT | 7D08 | 00 | 16 | ........................................................... | FCC-R | FCC RIGHT | 7D15 | 00 | 17 | ........................................................... | FCC-C | FCC CENTER | 7D13 | 00 | 18 | ........................................................... | RA-L | RADIO ALTIM L | 7B03 | 00 | 19 | ........................................................... | RA-R | RADIO ALTIM R | 7C21 | 00 | 20 | ........................................................... | RA-C | RADIO ALTIM C | 7B04 | 00 | 21 | ........................................................... | MCP-A | MCP LEFT | 7E09 | 00 | 22 | | | MCP RIGHT | 7E18 | | | ........................................................... | ILS-L *[I] | LEFT ILS | 7A06 | 01 | 15 | ........................................................... | ILS-R *[I] | RIGHT ILS | 7B17 | 01 | 16 | ........................................................... | ILS-C *[I] | CENTER ILS | 7B06 | 01 | 17 |
 2..............….................…..........…......…......1

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 ~......................................................... | LRU | CB NAME | CB LOC | SDI | BIT | ........................................................... | MMR-L *[M] | LEFT MMR | 7A06 | 01 | 15 | ........................................................... | MMR-R *[M] | RIGHT MMR | 7B17 | 01 | 16 | ........................................................... | MMR-C *[M] | CENTER MMR | 7B06 | 01 | 17 | ........................................................... | ACARS *[A] | ACARS AC | 7G19 | 01 | 19 | ........................................................... | FMC-L g/p | FMCS FMC L | 7C01 | 10 | 20 | | FMC-L f/t | | | | 21 | ........................................................... | FMC-R g/p | FMCS FMC R | 7C23 | 10 | 22 | | FMC-R f/t | | | | 23 | ........................................................... | FQPU-pri | FUEL QTY 1 | 6D05 | 10 | 26 | ........................................................... | FQPU-sec | FUEL QTY 2 | 6D06 | 10 | 27 | ........................................................... | TCAS | TCAS | 7A05 | 11 | 11 | ........................................................... | TCAS *[T] | TCAS | 7A05 | 11 | 11 | 2..............….................…..........…......…......1 *[C] AIRPLANES WITH A CENTER ADC *[I] AIRPLANES WITH ILS *[M] AIRPLANES WITH MMR
　
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