(m)
Make sure 0 shows for bit position 22.
(n)
Set the first officer's ADC select switch to the C position.
(o)
Make sure 1 shows for bit position 22.
(p)
Set the first officer's ADC select switch to the R position.
(q)
Make sure 1 shows for bit position 22.
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A 747-400 MAINTENANCE MANUAL
(r) Set the first officer's NAV select switch to the CDU C position.
NOTE:____ The first officer's NAV select switch is on the P3 first officer's main instrument panel.
(s) (t) (u) (v) (w) (x) (y) (z) Make sure 0 shows for bit position 21.Set the first officer's NAV select switch to the CDU R position.Make sure 0 shows for bit position 21.Set the first officer's NAV select switch to the FMC L position.Make sure 0 shows for bit position 21.Set the first officer's NAV select switch to the FMC R position.Make sure 1 shows for bit position 21.Set the captain's NAV select switch to the CDU C position.
NOTE:____ The captain's NAV select switch is on the P1 captain's main instrument panel.
(aa) Make sure 0 shows for bit position 20.
(ab) Set the captain's NAV select switch to the CDU L position.
(ac) Make sure 0 shows for bit position 20.
(ad) Set the captain's NAV select switch to the FMC R position.
(ae) Make sure 1 shows for bit position 20.
(af) Set the captain's NAV select switch to the FMC L position.
(ag) Make sure 0 shows for bit position 20.
S 865-298
(16) Prepare the INPUT MONITORING page to monitor E/46/147/00:
NOTE:____ Label 147 monitors these inputs:
- Datalink program pin
- ATS program pin
- GPS program pin
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A
747-400 MAINTENANCE MANUAL
(a)
Push E/46/147/00 on the scratchpad for the center CDU.
(b)
Push the necessasry LSK to show E/46/147/00 below the PORT LBL SDI indication. 1) Make sure SAMPLE shows intermittently below E/46/147/00.
S 735-293
(17) Do the input check for label 147:
(a)
Make sure 1 shows for bit position 27.
(b)
Make sure 1 shows for bit position 28.
(c)
Make sure 1 shows for bit position 29.
K. Left Flight Management Computer Analog Discrete to EIU Check
S 865-186
(1) Open these circuit breakers:
(a) P7 Overhead Circuit Breaker Panel
1) 7C1 FMCS FMC L
2) 7C23 FMCS FMC R
3) 7C26 FMCS A/T SERVO R
4) 7F10 EIU C
5) 7F15 EIU R
S 865-185
(2)
Make sure the FMC master switch on the P2 pilot's center instrument panel is in the "L" position.
S 735-187
(3)
Do the left FMC to left EIU check:
(a) Push and hold the captain's A/T disconnect switch and make sure the "AUTOTHROT DISC" indication shows on the EICAS display.
NOTE: The captain's A/T disconnect switch is on the left
____
throttle lever.
(b) Release the captain's A/T disconnect switch and make sure the "AUTOTHROT DISC" indication does not show on the EICAS display.
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(4) S 865-188Close this circuit breaker: (a) P7 Overhead Circuit Breaker Panel 1) 7F10 EIU C
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