la luz de tus ojos

the cabin attendant handset has interface with. a cabin zone unit ( CZU ). a passenger service modules ( PSM ). a speaker drive modules ( SDM ).

the back up bus is able to supply. the capt instr bus and f/o instr bus. the L 115vac and R 115vac busses. the 28vdc L TRU, 28vdc c1 TRU, 28vdc c2 TRU and 28vdc R TRU busses.

which of the battery indicator lights show a minimun of 30 min remains before battery change is depleted durirg test. medium. high. low.

How is APU Battery charged?. By a Battery Charger supplied from the F/O INSTR BUS. By a Battery Charger supplied from the HOT BATTERY BUS. By a Battery Charger supplied from the CAPT INSTR BUS.

The GATU transform: 235 Vac to 115 vac. 235 Vac to 28 Vdc. 115 Vac to 28 Vdc.

The Generator Neutral Relay (GNR): Closes when VFSG operates as a starter and opens when the VFSG operates as a generator. Opens when VFSG operates as a starter and closes when the VFSG operates as a generator. Remains closed normally and opens in case of overloard condition.

the AOHE has an Air Valve which is controlled by: the Engine Electronic Controller (EEC), (FADEC). By the Bus Power Control Unit (BPCU). By the Generator Control Unit (GCU).

The cabin zone unit (CZU): Controls cabina area lighting. Changes the digital signal to analog audio. Are touch screen.

Where can you control the emergency lighting system?. From P5 or master attendat switch panel (ASP). From CAPs. From P5 only.

what is the funtion of Passenger Service Modules (PSM). To control the Boarding Music and Passenger Speakers. To control emergency lights. To control the large passenger information signs and individual lights.

What happens with the audio signals if the common data network (CDN) fails?. the audio communication will be inoperative until the of flight. the crew will use the audio override panel to reconfigure the system. the audio is sent through the audio gatewey unit (AGU) for backup.

the main battery charger gets 28 v dc from: First Officers Instruments bus. HBB. Captains instrument bus.

thw E-BPSU changes: 28 Vdc to +/- 270 Vdc. 28 Vdc to +/- 130 Vdc. 235 Vac to 28 Vdc.

the VFSG are uses for: Start motor only. Generation system only. Generation system and start motor.

What is the function of ATUs (autotransformer unit). Change 235Vac to +/- 270Vdc for the common motor start controllers (CMSC). Convert 235Vac in 115Vac or 115Vac in 235Vac. Change 235Vac to 28 Vdc.

lthe power for the emergency lights comes from: WELS control units (WCU) Batteries. RPDUS (115 Vac). Aircraft Battery.

How many Cabin Zone Unit (CZU) are there in the A/C?. 2, one for BussinessClass, and one for economy. Only one for the whole A/C. 3, one for each one of the 3 zones.

the start power unit (SPU). Change 235v ac to 28v dc. Change 28v dc from the APU battery to 115v ac for APU. Change 235v ac or 115v ac to +/- 270v dc for the common motor start controllers (CMSC).

the main function of remote power distribution system (RPDS) is: It supplies 28 Vdc and 115 Vac to electrical loads of 50 Amps or lees. It supplies 28 Vdc and 115 Vac to electrical loads of 10 Amps or lees. It supplies 28 Vdc and 115 Vac to electrical loads of 10 Amps or more.

To get the heakth status (failures) of the Cabin Service System, in the Cabin Service System Controller (CSSC), the access is through: Either the maintenance laptop or CAP. CAP (cabin attendant panel) only. the Maintenance Laptop only.

SELCAL. in which unit are located the "SELCAL", decoder function?. in the AGUs. in the HF transceivers. in the VHF transceivers.

which component is used to control the LH AFT External power contactor to open or close?. the L2 GCU. the right BPCU. the left BPCU.

the service interphone system lets personnel talk whit each other from flight comparment and : p40 y APU compartment. p40 and p57. fwd and aft EE.

the transformer rectifier unit. convert 235 v ac in 115 v ac or 115 v ac in 235 v ac. change 235 v ac to 28 v dc. change 235 v ac to +/- 270 v dc for the CMSC.

If the ACP the capt side fail, how can use the OBS ACP with. turning off and back to on the capt acp. using the obs audio override selector sw in the p8. swipping the acp.

during emergency light test the signals to the remote wcu is. wireless. wired. during test the remote wcu are not use.

how is the VFSG cooled down. by and OHE. by and AOHE. by and AHE.

CDN provides. return path for normal AC current only. return path for normal and fault AC and DC current. path between main AC busses.

BDM is used to. keep the main battery charged from external power directly. rectify DC voltage on DC system. make sure the main battery can be charged by battery charger only.

the frequency of HF and VHF communication system is selected through. their own panels. tuning control panel ( TCP ). head up displays HUD.

to estabilish comunication between the fit interphone system and service intherfone. the SVC intph sw, in the p5, in ON position. the ACP CAB MIC SW in ON position. the TCP selection mode in CAB.

where are the volumen control for the speakers in the flight deck ?. in the audio control panel. in the speakers itself. in the flight control wheel.

what is the function of CBIC. monitor and control the electrical power system. monitor and control electronic CB. is used to control and monitoring contactors ELCU, BTB,etc.

emergency lights get power from betteries if. airplane power fails. one VFSG fails in flight. all VFSG are lost in flight and APU works normally.

how can the airplane be in the virtual GROUND HANDLING mode ?. if fwd external power is connected and selected ON and other electrical power is supplied. if fwd external power is connected but not selected ON and other electrical power is supplied. if fwd external power is connected and selected ON and no other electrical power is supplied.

what component change 35 v ac or 115 v ac to +/-270 v dc ?. ATU. ATRU. CMSC.

What kind of HF antenna is used in the 787-9 ?. it is a wire type antenna. it is a integral type antenna, located on the leading edge of the vertical stabilizer. it is a blade type antenna.

what is the only ACP used during battery towing operation ?. the first officer audio control panel. the first obs audio control panel. the captain audio control panel.

what is meaning ef EICAS msg RADIO TRANSMIT CAPT, F/O or OBS ?. a VHF or HF communication system transmits for more the 30 s. a VHF or HF communication transceiver is not modulating the signal. some of the flight crew members want to use VHF or HF transceirvers.

SATCOM the diplexer low noise amplifier DLNA. lets the SATCOM system receive or transmit signals at a time ( half duplex ). lets the SATCOM system receive signals only. lets the SATCOM system receive and transmit signals at the same time ( full duplex ).