ADF 1 pointer head FULL NAV Indicates bearing to (head)
and tail (G) EXP NAV or from (tail) the tuned
ADF 2 pointer head and tail (G) FULL VOR/ ILS EXP VOR/ ILS PLAN MAP CTR MAP station. Displayed in MAP/CTR MAP modes on some airplanes only.
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Flight Instruments, Displays -Electronic Flight Instrument System 737 Operations Manual
Symbol Name Applicable Mode(s) Remarks
Lateral deviation FULL NAV Displays ILS, VOR, or
indicator (M) and EXP NAV FMC course deviation.
scale (W) FULL VOR/ ILS EXP VOR/ ILS ILS normal scale: 1 dot = 1× (approx) ILS expanded scale: 1 dot = 1/2× (approx) VOR: 1 dot = 5× NAV: 1 dot = 2NM
Selected course EXP NAV Displays selected course as
pointer (W) and line EXP VOR/ set by the related MCP
(M) ILS course selector. (VOR/ILS) or by the FMC (NAV).
Selected course FULL NAV Displays selected course as
pointer (W) FULL VOR/ set by the related MCP
TO/FROM pointer (W) ILS course selector (VOR/ILS) or by the FMC (NAV). TO/FROM pointer is displayed when VOR navigation is being used.
Glideslope pointer FULL VOR/ Displays glideslope
(M) and scale (W) ILS EXP VOR/ ILS position and deviation.
TO To/from indication FULL VOR/ Displays VOR TO/FROM
FROM (W) ILS EXP VOR/ ILS indication.
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Flight Instruments, Displays -Electronic Flight Instrument System
737 Operations Manual
Symbol Name Applicable Mode(s) Remarks
250 070 VOR (C, G), DME/TACAN (C, G), VORTAC (C, G) Manually tuned VOR radials (G) MAP CTR MAP PLAN When the EFIS control panel NAV AID switch is selected on, appropriate navaids are displayed. All navaids contained in the FMC data base and within the MAP area are displayed when the selected range is 10, 20 or 40 NM. Only high altitude navaids are displayed when the selected range is 80, 160, 320 NM. Navaids not being used are displayed in cyan. Tuned VHF navaids are displayed in green, regardless of NAV AID switch selection. When a navaid is manually tuned, the selected course and reciprocal are displayed.
V1V2 VOR radials (G) MAP CTR MAP When the VOR/ADF switch is selected on and a valid VOR signal is received, the station radial is displayed.
A2A1 ADF bearings (G) MAP CTR MAP When the VOR/ADF switch is selected on and a valid ADF signal is received, the relative bearing to the tuned ADF station is displayed.
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Flight Instruments, Displays -Electronic Flight Instrument System 737 Operations Manual
MAP
Symbol Name Applicable Mode(s) Remarks
Airplane symbol (W) MAP CTR MAP EXP NAV EXP VOR/ ILS PLAN Current airplane position is at the apex of the triangle.
Airplane symbol (W) FULL NAV FULL VOR/ ILS Current airplane position is at the center of the symbol.
Position trend vector (W) (dashed line) MAP CTR MAP Predicts position at the end of 30, 60, and 90 second intervals, based on bank angle and ground speed. Each segment represents 30 seconds. Selected range determines the number of segments displayed: . Range > 20 NM, 3 segments . Range = 20 NM, 2 segments . Range = 10 NM, 1 segment 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300机组操作手册Flight Crew Operations Manual FCOM 3(9)
