1L 1R
2L 2R
3L 3R
4L 4R
5L 5R
6L 6R
SCRATCH PAD/ MESSAGE BLOCK DATA BLOCK
INIT REF KEY ANNUNCIATORSANNUNCIATORS REMOVAL/INSTALLATION HANDLE

Flight Management Computer System Control Display Unit
Figure 501

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 (14) You can also push the INIT/REF key on the CDU panel to stop FMCS BITE. The CDU display will show these two pages. If the IRS is in the NAV mode, the CDU will show the PERF INIT page. If the IRS is not in the NAV mode, the CDU will show the POS INIT page.
 TASK 34-62-00-715-001
 2.  Operational Test - FMCS_______________________
 A. General
 (1)  
You use the operational test to quickly examine the FMCS.

 (2)  
If there is only one CDU on the airplane, do the procedures written for CDU No. 2 on the CDU No. 1.

 (3)  
The operational test includes:

 (a)  
Annunciator Test

 (b)  
Navigation Data Base and Operational Program Verification

 (c)  
IRS Heading in Altitude Mode

 (d)  
IRS Initialization

 (e)  
Sensor Status

 (f)  
FMC Fixed Outputs

 B. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 33-15-00/501, Master Warning and Caution Lights

 C. Access
 (1)  Location Zones
 101 Control Cabin, Left
 102 Control Cabin, Right

 D. Prepare for The Test
 S 865-002
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 865-003

 (2)  
Make sure the BAT switch on the Pilot's Forward Overhead Panel (P5) is in the ON position.

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 (3)  S 865-004Make sure the STANDBY POWER switch on the Pilot's Forward Overhead Panel (P5) is in the AUTO position.
 (4)  S 865-006Put the MASTER DIM and TEST switch, on the P1 panel, to the TEST position.
 (5)  S 865-211Make sure all indicator lamps and annunciator lights on the pilots panel operate correctly.
 (6)  S 865-007Put the Horizontal Situation Indicator (HSI) switch on the Captain's lightshield panel (P7) in the NAV position.
 (7)  S 865-008Put the Horizontal Situation Indicator (HSI) switch on the First Officer's lightshield panel (P7) in the NAV position.
 (8)  S 865-009Make sure the circuit breakers for these systems are closed and the systems operate correctly. (a) Autothrottle system (Ref 22-31-00/501) (b) Digital Air Data Computer (DADC) No. 1 (AMM 34-12-00/501) (c) DADC No. 2 (AMM 34-12-00/501) (d) Captain's mach airspeed indicator (AMM 34-12-00/501) (e) First officer's mach airspeed indicator (AMM 34-12-00/501) (f) Digital Flight Control System (DFCS) (AMM 22-11-00/501) (g) IRS - Left (AMM 34-28-00/501) (h) IRS - Right (AMM 34-28-00/501) (i) Digital to Analog Adapter (DAA) No. 1 (AMM 34-28-00/501) (j) DAA No. 2 (AMM 34-28-00/501) (k) Engine Tachometer No. 1 (AMM 77-12-00/501) (l) Engine Tachometer No. 2 (AMM 77-12-00/501)
 NOTE:____ If the airplane has the Electronic Instrument System (EIS), the EIS replaces the Engine Tachometer.

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