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2. record [ ri'k :d] v. 記錄, 此字作名詞用時讀['rek :d]
3. conversation [ k nv' sein ] n. 談話; 交談
4. bulk erasure [ blk ] [ i' rei  ] 整體抹音(磁帶清洗)
5. recording tape [ teip ] 錄音帶; 記錄磁帶
6. erase [ i'reiz ] v. 抹音; 消磁; 消除
7. provided that 相當于if, 有"以---為條件""如果"之意
8. parking brake [ 'pa:ki ][ breik ] 停放剎車
9. channel [ 'tænl ] n. 磁道; 通道
10. in sequence [ 'si:kwns ] 按順序
11. shock resistant [  k ][ri' sistnt ] a. 抗震的
12. heat resistant 耐熱的
13. capsule [ 'kæpsju:l ] n. 容器
14. transport mechanism [ træns'p :t]['meknizm] 傳送機構
15. polymer [ 'p lim] n. 聚合物
16. underwater locator beacon (ULB) 水下定位標
17. acoustical [ ' ku:stikl ] n. 音響的;有聲的
18. submerge [ sb' m:d ] v. 浸滑;浸在水中
19. decal [ di' kæl ] n. 標牌; 銘牌
20. Digital Flight Data Recorder ( DFDR) 數字飛行數據記錄器
21. government agency [ 'gvnmnt ] ['eid nsi ] 政府機構
22. analysis [ ' nælsis ] n. 分析
23. crash [ kræ ] v. ; n. 摔毀; 墜毀
24. accident [ 'æksidnt ] n. 事故; 失事
25. mandatory [ 'mændtri ] a. 必須遵守的; 必錄的事
26. Digital Flight Data Acquisition Unit (DFDAU) 數字飛行數據
采集裝置[ æ'kwi'zin]
27. storage [ ' st :rid ] n. 儲藏; 存貯
28. stainless steel [ 'steinlis ] [ sti:l ] 不銹鋼
29. handling [ 'h ændli ] n. 搬運; 操作
30. in case of 在---的情況下; 如果發生; 萬一
31. recover [ ri'kv ] v. 收回; 重新發現
32. paint [ peint ] v. 涂(上)漆, 噴(刷)涂
33. orange [ ' rind ] n. 桔紅色
34. reflective strip [ ri' flektiv][strip ] 反射（光）帶
35. retrieve [ ri' tri:v ] v. 檢索； 取回
36. portable [ 'p : tbl ] n. 手提的； 輕便的
37. emit [ i'mit ] vt. 發射；發出
38. ultrasonic [ 'ltr' s nik ] a. ; n. 超聲的； 超聲波
39. immersion [ i'm:n ] n. 浸沒；落水
40. fresh water [ fre ] 淡水
41. salt water [ s :lt ] 咸水
42. inadvertent [ ind' v: tnt ] a. 不注意的； 非故意的
43. synchro transmitter device [ 'sikrou ] 同步傳送裝置
44. proportional [ pr' p :nl ] a. 成比例的
TEXT
[1] The voice recorder system is installed to provide a continuous record
of the last 30 minutes of flight crew communications and conversations.
The voice recorder receives sound from the flight compartment and all
audio signals. Sensing of the " airplane on ground" and " parking brake
set " is used to permit bulk erasure of the voice recording. Figure 43-1
shows the voice recorder control panel.
Fig. 43-1 voice recorder control panel
This panel allows remote monitoring and testing of the voice recorder
unit, detects flight compartment sounds and conversations, and controls
bulk erasure of the recording tape.
 The area microphone senses flight compartment audio.
 Pressing the ERASE switch for a minimum 2 seconds erases the tape,
provided that the airplane is on the ground and the parking brake is
set.
 Pressing the TEST switch tests all 4 recording channels in sequence.
 The meter indicates green during TEST.
 The HEADSET jack is used to monitor all 4 recorded channel.
[2] The voice recorder contains a shock and heat resistant capsule that
encloses a tape transport mechanism which is loaded with a polymer base
tape. The recorder also contains electronics, test controls, and monitor
circuitry. The unit is contained in a 1/2 ATR short case and weights 23.9
pounds. An underwater locator beacon is mounted vertically on the front
face of the recorder. The underwater locator beacon is a battery-operated
acoustical beacon that is activated when the unit is submerged in water.
The unit provides a usable signal for 30 days. A battery replacement date
decal is located on the device.
[3] The digital flight data recorder system (DFDR) provides airlines and
government agencies with a record of flight parameters, these parameters
reflect the information on flight conditions and airplane systems
operation. This information is used for the analysis of flight conditions in
the event of a crash or accident. The mandatory parameters recorded in
the flight data recorder are as follows:
Elapsed time  Altitude  Airspeed  vertical acceleration  Magnetic
heading  Attitude (pitch and roll)  control column position  Lateral
　
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