737-300机组操作手册Flight Crew Operations Manual FCOM 2(83)

Airspeed Cursor Control
.
push in –

.
auto mode

.
airspeed cursor is position from the AFDS FCC

.
pull out –

.
manual mode

.
airspeed cursor is positioned by rotating the control.

Airspeed Cursor
.
indicates target airspeed

.  
positioned manually or automatically, as selected by the airspeed cursor control.

Airspeed Markers
Positioned manually to the desired airspeed reference.

Mach Digital Counter
.
shows Mach number, from .40 to .99 Mach, in digital form

.
masked below .40 Mach

.
digits are covered by a warning flag when the display is unreliable.

Airspeed Cursor Flag
.
manual mode: retracted

.  
auto mode: in view if airspeed cursor signals, as determined by the AFDS FCC, are unreliable.

Airspeed Digital Counter
.
digital display of indicated airspeed in knots

.  
warning flag covers the counter when the airspeed pointer and airspeed
digital counter are unreliable.

Copyright . The Boeing Company. See title page for details.
10.10.2   December 1, 2000

Flight Instruments, Displays -Controls and Indicators 737 Operations Manual
Altimeter

Digital Counter
Indicates current altitude in increments of thousands, hundreds and twenty feet.
.  
warning flag appears whenever the ADC signal is lost or a malfunction
exists

.  
green flag appears in the left window when the altitude is below 10,000
feet

.  
a NEG flag appears in the two left–hand windows when altitude below
zero feet is displayed.

Altitude Pointer
Makes one revolution each one thousand feet.

Barometric Setting Control
Rotate – adjusts barometric settings.

Barometric Setting Window
Displays barometric correction (in millibars and inches of mercury) as set by the barometric setting control.

Reference Altitude Marker
Manually positioned to the desired reference altitude using the reference altitude marker control.
Flight Instruments, Displays -Controls and Indicators 737 Operations Manual

Reference Altitude Marker Control
Used to manually set the reference altitude marker.
Metric Altimeter

 Altitude Pointer 

 Barometric Setting Control 

 Digital Counter 

 Barometric Setting Window 

Marker Beacon

Copyright . The Boeing Company. See title page for details.
10.10.4  December 1, 2000

Flight Instruments, Displays -Controls and Indicators 737 Operations Manual

Marker Beacon Lights
AIRWAYS (white) – illuminates over an inner or airways marker beacon.
MIDDLE (amber) – illuminates over a middle marker beacon.
OUTER (blue) – illuminates over an outer marker beacon.

Marker Beacon Switch
HIGH – selects high sensitivity of receiver. LOW – selects low sensitivity of receiver.
Flight Instruments, Displays -Controls and Indicators 737 Operations Manual

Radio Distance Magnetic Indicator

Heading Warning Flag
In view –
.
selected compass signal is invalid

.
RDMI power failure.

DME Indicator
Indicates DME distance from selected DME station in nautical miles (300 nautical miles maximum). Warning Flags
.
1 –

.
electrical power lost

.
invalid DME receiver.

.
2 –

.
DME receiver powered but not receiving a DME station

.
agility tuning in progress.

Bearing Pointer Warning Flag
In view –
Copyright . The Boeing Company. See title page for details.
10.10.6  June 4, 2004
Flight Instruments, Displays -Controls and Indicators
737 Operations Manual
VOR mode:
.  
RDMI power failure

.  
VHF NAV signal unreliable

ADF mode – RDMI power failure
4 Bearing Pointers
.  
Narrow pointer uses signals from the VHF NAV receiver No. 1 or ADF receiver No. 1.

.  
wide pointer uses signals from the VHF NAV receiver No. 2 or ADF
receiver No. 2.

5 VOR/ADF Bearing Pointer Switch
Push – selects related VOR or ADF for the bearing pointer.
Radio Magnetic Indicator (RMI)
3
1
4
2
　
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