Symbol Name Applicable Mode(s) Remarks
KTEB Airport (C) MAP CTR MAP PLAN Displayed if the EFIS control panel ARPT switch is selected on. Origin and destination airports are always displayed, regardless of switch selection.
22L Airport and runway (W) MAP CTR MAP PLAN Displayed when selected as the origin or destination and selected range is 5, 10, 20, or 40 NM. Dashed runway centerlines extend 14.2 NM.
ABC R060 Selected reference point and bearing distance information (G) MAP CTR MAP PLAN Displays the reference point selected on the CDU FIX page. Bearing and/or distance from the fix are displayed with dashes (G).
Weather radar returns MAP The most intense areas are
(R, A, G, M) CTR MAP EXP NAV EXP VOR/ ILS displayed in red, lesser intensity in amber, and lowest intensity green. Turbulence is displayed in magenta.
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10.30.54 December 1, 2000
Flight Instruments, Displays -Electronic Flight Instrument System
737 Operations Manual
Symbol Name Applicable Mode(s) Remarks
4.5 L R4.3 Position difference display (W) MAP CTR MAP FULL NAV EXP NAV Numbers – indicate the position difference in NM between the present FMC or ANS position and the L IRS and R IRS present positions. The selected IRS source is displayed on the first line. Arrows – indicate the relative bearing to the related IRS present position. L or R – indicates which IRS present position the displayed position difference corresponds to. On some airplanes, displayed when the position difference of the L IRS and/or R IRS exceeds the position difference limits.
N North up arrow (G) PLAN Indicates map background is oriented and referenced to true north.
Range arcs (W) MAP Displayed in EXP NAV and
(As installed) EXP NAV EXP VOR/ EXP VOR/ILS modes when the WXR switch is
ILS selected on or TCAS TFC
switch is selected.
Range arcs are displayed in
MAP mode with or without
WXR or TFC selected.
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December 1, 2000 10.30.55
Flight Instruments, Displays -Electronic Flight Instrument System 737 Operations Manual
Look-Ahead Terrain
SYMBOL NAME ND MODE REMARKS
Terrain display (R, A, EXP NAV, Displays terrain data from
G, M) EXP VOR/ILS, MAP, MAP CTR, the GPWS terrain data base. Terrain 2000 feet below to 500 feet (250 feet with gear
down) below the airplane’s current altitude (G), terrain 500 feet (250 feet with gear down) below to 2000 feet above the airplane’s current altitude (A), terrain more than 2000 feet above airplane’s current altitude (R), no terrain data available (M). Color and density vary based on terrain height vs. airplane altitude. When airplane higher than 2,000 feet above terrain, peaks contours are displayed in three densities (G); highest peaks displayed as solid, intermediate peaks displayed as high density and lowest peaks displayed as low density.
TERR 060 030 Terrain mode annunciation (C) and terrain elevation (R,A,G) EXP NAV, EXP VOR/ILS, MAP, MAP CTR, Terrain display enabled (manual or automatic display). Terrain elevation displayed in hundreds of feet showing highest and lowest displayed terrain. Colors correspond to terrain display. Terrain elevation not displayed when terrain data unavailable.
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10.30.56 August 1, 2003
Flight Instruments, Displays -Electronic Flight Instrument System
737 Operations Manual
SYMBOL NAME ND MODE REMARKS
TERR TEST Terrain test mode annunciation (C) All GPWS operating in self-test mode.
TERRAIN Terrain annunciation (R, A) All Look-ahead terrain caution alert active (A), look-ahead terrain warning alert active (R).
TERR FAIL Terrain status annunciations (A) All Look-ahead terrain alerting and display have failed.
TERR POS All Look-ahead terrain alerting and display unavailable due to position uncertainty.
TERR INHIBIT All GPWS terrain inhibit switch in TERR INHIBIT position.
TERR RANGE DISAGREE Terrain range status annunciations (A) EXP NAV, EXP VOR/ILS, MAP, MAP CTR, Terrain output range disagrees with selected EFIS control panel range.
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