(Verification of program pin B23 on the PMS computer unit).
(3)
Press CDU CLEAR key.
(4)
If the PMS is no longer required, restore airplane to normal.
P. Wet/Dry Engine Configuration (IB Airplanes)
(1)
If required prepare for test as described in paragraph D.
(2)
To check Wet/Dry engine configuration; press PERF DATA Key on the CDU. Push CDU slew switch momentarily to FWD position and advance display to PERF DATA.....4/4 page. Verify that the word 'DRY' is displayed at the end of data line 3.
(Verification of program pin C48 on the PMS computer unit).
(3)
Press CDU CLEAR key.
(4)
If the PMS is no longer required, restore airplane to normal.
Q. Engine Data
(1)
If required prepare for test as described in paragraph D.
(2)
On IB airplanes, to check validity of engine data, press PERF DATA key on the CDU. Push CDU slew switch momentarily to FWD position and advance display to PERF DATA.....3/4 page. Verify that the display at end of data line 1 indicates:
'EPRL X.XXX"
The Xs' should be numbers and not dashes or blanks.
(Verification of program pin B25 on the PMS computer unit).
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(3) On AF airplanes, to check validity of engine data; press PERF DATA key on the CDU. Push CDU slew switch momentarily to FWD position and advance display to PERF DATA.....3/4 page. Verify that the display at end of data line 1 indicates:
''N1L XXX.X'
The Xs' should be numbers and not dashes or blanks.
(Verification of program pin B25 on the PMS computer unit).
(4)
Press CDU CLEAR key.
(5)
If the PMS is no longer required, restore airplane to normal.
R. K-Factor Configuration
(1)
If required prepare for test as described in paragraph D.
(2)
To check K-Factor (data base factor) configuration; press CDU STS/TEST key. Press line select 1 switch. Key in 0,0,2,0,0. Verify that the PMS CDU appears as follows:
STS 1/1
PMS 00200
INS-1 K-FTR
INS-2 X.XXX
Where X's are numbers that represent the K-Factor determined for the airplane.
(3)
Press CDU CLEAR key.
(4)
If the PMS is no longer required, restore airplane to normal.
S. Cost Index
(1)
If required prepare for test as described in par. D.
(2)
To check cost index (factor based on time costs and fuel costs for using airline); press CDU STS/TEST key. Press line select 1 switch. Key in 0,0,2,0,1. Verify that the PMS CDU appears as follows:
STS 1/1
PMS 00201
INS-1 C-IDX
INS-2 XXX
Where X's are numbers that represent the cost index determined for the airplane.
(3)
Press CDU CLEAR key.
(4)
If the PMS is no longer required, restore airplane to normal.
T. D-Factor
(1) If required prepare for test as described in par. D.
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(2) To check cost D-Factor (descent speed factor); press CDU STS/TEST key. Press line select 1 switch. Key in 0,0,2,0,2. Verify that the PMS CDU appears as follows:
STS 1/1
PMS 00202
INS-1 D-FTR
INS-2 XXKT
Where X's are numbers that represent the D-Factor determined for the airplane.
(3)
Press CDU CLEAR key.
(4)
If the PMS is no longer required, restore airplane to normal.
U. Waypoint Control.
(1)
If required prepare for test as described in paragraph D.
(2)
Ensure that present position latitude and longitude coordinates are entered into each INS (Refer to 34-41). Verify that the mode selector switch, on each INS MSU, is set to ALIGN.
(3)
On IB airplanes, ensure that the AUTO/MAN/RMT switch on each INS CDU is set to MAN.
(4)
Determine if the PMS or the INS has waypoint control by using the following procedures:
(a) Press PLNG key on the PMS CDU. Press line select switch 3 to display FLT PLN CONFIG.....1/6 page. If the PMS has waypoint control, the CDU display (data line 1 and data line 2) indicates:
PMS WPT CONTROL SEL
INS WPT CONTROL
If the INS has waypoint control the CDU display (data line 1 and data line 2) indicates:
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本文链接地址：747飞机维护手册AMM CHAPTER 34 - NAVIGATION 第34章导航4(150)
