(b)
FPV Switch The FPV momentary pushbutton switch selects or deselects a flight path vector on the PFD.
(c)
MTRS Switch The MTRS momentary pushbutton switch selects or deselects an altitude readout (in units of meters) on the PFD.
(d)
BARO Control The BARO control comprises a two position rotary switch, a 24-detent rotary switch, and a momentary pushbutton switch. The outer two position switch selects barometric pressure in units of inches or hecto-pascals. The inner rotary switch selects a specific pressure level. The center pushbutton switch is used to select or deselect a standard (STD) barometric reference pressure readout.
(e)
ADF/VOR Switch The VOR L/ADF L switch and the VOR R/ADF R switch selects either ADF or VOR. The switch enables the display of navigation radio data on all modes except the plan (PLN) mode.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
31-61-00
ALL ú ú 09 Page 19 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(f)
Range Select Switch The range select switch is a seven position rotary switch. The switch enables the detection of map and weather radar ranges of 5, 10, 20, 40, 80, 160, 320, and 640 nautical miles. If the ND does not receive range information from the EFIS CP, it defaults to the range received from the weather radar transceiver. If no range data is available from the weather radar, the ND defaults to the range received from the selected FMC/CDU.
(g)
Traffic (TFC) Switch The TFC switch is a push button switch located on the range switch. The TFC switch toggles on and off the display of TCAS information on the ND's.
(h)
ND Mode Selector Consists of a four position rotary switch and a momentary pushbutton switch. The outer four position switch selects the APP (approach), VOR, MAP, and PLN (plan) modes. For all modes except plan, the center pushbutton switch (CTR) selects or deselects a full rose display format.
(i)
ND Display Select Switches Provide additional data on the ND display. There are six ND display select switches. Any one switch, or any combination of the six switches can be selected. The switches perform the following functions: 1) WXR - Activates display of weather radar data. 2) STA - Enables display of navigation aids not in flight
plan. 3) WPT - Enables the display of waypoints and ground reference
points not in flight plan. 4) ARPT - Enables display of airports not in flight plan. 5) DATA - Enables display of route data. 6) POS - Enables display of IRU, VOR/DME and GPS positions. 7) TERR - Enables display of enhanced ground proximity warning
data on the navigational display.
(2) The TCAS system will possibly operate when you open the circuit breakers for the EFIS control panel.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
31-61-00
ALL ú ú 23 Page 20 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
D. EICAS Display Select Panel (Fig. 1)
(1) The EICAS Display Select Panel (DSP) is used to select display formats on the auxiliary EICAS. The display select panel is located on the P10 glareshield panel. The following pushbutton switches are on the EICAS DSP:
(a)
ENG Switch Selects display of secondary engine parameters.
(b)
STAT Switch Selects display of hydraulic, APU, oxygen pressure, status messages, and surface position data. If more than one page of status messages exist, each successive depression of the STAT switch will display the next page of status messages.
(c)
ELEC Switch
Selects an electrical synoptic display.
(d)
FUEL Switch
Selects a fuel synoptic display.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 指示/记录系统 2(32)
