[7] The FAIL and MSG annunciators are replaced by loosening two captive screws which secure the annunciator cover to the CDU and then replacing the faulty bulb assembly . The lighted execute ( EXEC) key is replaced by loosening two captive screws securing the execute key assembly and then removing the key assembly from its housing. The entire lighted switch panel is replaced by releasing the six captive screws which secure the switch panel to the CDU.
READING MATERIAL
QUESTIONS TO LESSON 37 READING MATERIAL
1. where is the FMCS navigation data base stored?
2. what contents does the 2 parts of navigation data base contain?
3. where are the effectivity dates displayed?
4. The navigation data base contains all information required for operation in a specified geographic area. What does this information include data for?
5. How can the new data base be loaded into the FMC?
6. Is the data base loader a Boeing supplied item?
7. Where does the data base loader transfer data from?
8. What electric power does the data base loader receive?
9. What on the data base loader controls the loading process?
10. The data base loader runs a self test when the power is applied to the FMC. How to find the failure of the self test?
11. When does the data loading occur automatically?
EXERCISE
A. Find out the explanations of the following words in your" English-chinese technical dictionary"
1. CRT = Cathod Ray Tube [P1-27]
2. scratch pad [P1-130]
3. line select keys [ P1-92]
4. delete [ P1-41]
B. Translate lst, 2nd and 4th paragraphs of lesson 37 into chinese.
C. Explain the following abbreviations and acronyms .
1. ANCDU
2. CDU
3. CLR
4. CRZ
5. DES
6. INIT/REF
7. DEP/ARR
8. EXEC
9. DEL
10. PREV
11. DBL
D. Answer the questions 1～11 that are given for lesson 37 reading material.
LESSON 38
CONTROL PANEL AND INSTRUMENT FOR DFCS
VOCABULARY
1. describe [ dis' kraib ] vt. 描述; 说明
2. intend [ in' tend ] vt. 打算; 意图是
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本文链接地址：第31课 大气数据系统 LESSON 31 AIR DATA SYSTEM(34)
