The intensity of the LCD backlighting is obtained from the aircraft dimming bus and a measurement of the ambient light in the cockpit. The ambient light is sensed by a photodiode on the front bezel.

A. 转动凸轮以松开管路。

B. 转动卡箍以使管路自由移动。

C. 转动卡箍以松开管路。

A. These airworthiness directives provide detailed information about continued airworthiness requirements for the manufacturer and owner/operator.

B. These service bulletins provide detailed information regarding continued airworthiness requirements for the manufacturer and owner/operator.

C. These advisory circulars provide specific information regarding continued airworthiness requirements for the manufacturer and owner/operator.

A. Make sure that the latch is fully engaged.

B. Make sure that the knob is fully engaged.

C. Make sure that the latch in full engaged position.

A. The manufacturer shall prepare all text in either one or two columns with justification at his own discretion , but, two columns are preferable for readability.

B. Manufacturers shall prepare all text both in one and two columns separately; however, two columns are better for reading.

C. According to the manufacturer＇ explanations, all text shall be prepared in one or two columns; however, two columns have better visual effect.

A. Use some auxiliary screws to assemble the unit temporarily.

B. You shall use some additional screws to install the unit permanently.

C. Temporarily disassemble this unit using some auxiliary screwdrivers.

A. 仔细测量滑油的容积。

B. 仔细测量滑油的流速。

C. 仔细测量滑油的密度。

A. The air conditioning system keeps the air in the pressurized fuselage compartments at the correct pressure, temperature and freshness.

B. The air conditioning system keeps the air in the pressurizing cabin of the fuselage at the correct pressure, temperature and freshness.

C. The air conditioning system keeps the air in the pressurized cabin of the fuselage at the correct pressurization, temperature and freshness.

A. After pressing the LSK next to EXIT, the BITE will take you out of BITE test and the airplane will return to its normal condition.

B. The BITE will continue the BITE test and the airplane will go back to its usual condition when you push the LSK next to EXIT.

C. The BITE will proceed the BITE test and the airplane will go back to its normal configuration after releasing the LSK that is adjacent to EXIT.

A. 确保P36面板上的“交流已连接”及“未使用”指示灯点亮。

B. 确保交流电已连接，并且P36面板上的“未使用”指示灯处于点亮状态。

C. 确保P36面板上的“交流已连接”指示灯点亮，但其并未使用。

A. 附录应显示系统数据所在的章或子章。

B. 目录应显示章或子章以及系统路径所在的位置。

C. 索引应显示系统电路所在的章或子章。