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Flight Deck Passenger Cabin No Smoking or Fasten
Belt Signs
Illuminated/Extinguish
Single Low-Tone
Chime
CALL SYSTEM
COMMUNICATIONS
737 Sec. 6.5 Page 17
Flight Manual Continental Rev. 11/15/02 #41
CONTROLS AND INDICATORS
CALL SYSTEM
< Ground (GRD) CALL Switch
PRESS – A horn sounds in the nose wheel well until released.
= Attendant (ATTEND) Call Switch
PRESS – A two-tone chime sounds in the passenger cabin and both pink
Master Call Lights illuminate.
> Flight Deck CALL Light (blue)
ILLUMINATED – Flight deck is being called by the flight attendants or the
ground crew.
· Remains illuminated until the Captain Call or Pilot Call Switch is
released.
? PILOT CALL Switch
PRESS – A single-tone chime sounds on the flight deck.
· Flight deck CALL Light remains illuminated until released.
COMMUNICATIONS
Sec. 6.5 Page 18 737
Rev. 11/15/02 #41 Continental Flight Manual
@ CAPTAIN Call Switch
PRESS – A single-tone chime sounds on the flight deck.
· Flight deck CALL Light remains illuminated until released.
A ATTENDANT Call Switch
PRESS – A two-tone chime sounds in the passenger cabin and both pink
Master Call Lights illuminate.
B Call RESET Switch
Push –
· Extinguishes both pink Master Call Lights.
· Cancels Call.
· Disconnects the handset from the Public Address System.
C Master Call Light
ILLUMINATED –
AMBER – A lavatory call switch is activated.
PINK – The flight deck or other flight attendant station is calling.
BLUE – A passenger seat call switch is activated.
COMMUNICATIONS
737 Sec. 6.5 Page 19
Flight Manual Continental Rev. 11/15/02 #41
MISCELLANEOUS COMMUNICATION CONTROLS (TYPICAL)
< Overhead Speaker
Monitors audio from related pilot’s ASP.
= Headset or Headphones
Monitors audio from related ASP.
> Standard Microphones
Choose desired microphone for voice transmission through selected radio,
interphone system, or passenger address (PA).
COMMUNICATIONS
Sec. 6.5 Page 20 737
Rev. 11/15/02 #41 Continental Flight Manual
? Communication Jacks
Used for appropriate microphone or headphone plugs.
@ Push-To-Talk Switch
MIC (microphone) –
· Selects oxygen mask or boom microphone for transmission, as selected
by ASP transmitter selector.
· Same as using ASP PTT switch (R/T position).
OFF – Center position.
INT (interphone) –
· Selects oxygen mask or boom microphone for direct transmission over
flight interphone.
· Bypasses ASP transmitter selector.
· Same as using ASP PTT switch (I/C position)
A Push-To-Talk Switch
Push – Keys hand microphone for transmission, as selected by ASP
transmitter selector.
COMMUNICATIONS
737 Sec. 6.5 Page 21
Flight Manual Continental Rev. 11/15/02 #41
VHF COMMUNICATIONS
Primary short-range voice communications is provided in the VHF range by
three independent radios. Each radio provides for selection of an active
frequency and an inactive (preselected) frequency. Voice transmission and
reception are controlled at the related ASP.
Note: VHF antennae located on the lower fuselage are susceptible to
multipath interference from nearby structures or vehicles. This may
disrupt VHF communications. VHF antennae located on the upper
fuselage are not as susceptible to this interference and is recommended
for use on the ground.
COMMUNICATIONS
Sec. 6.5 Page 22 737
Rev. 11/15/02 #41 Continental Flight Manual
> VHF Communication Panel
< VHF Communications Transfer (TFR) Switch
Selects which frequency as active for the transceiver.
= Frequency Indicator
Indicates selected frequency.
· A shutter covers inactive frequency.
> Frequency Selector
Rotate – Selects frequency in related indicator:
· Outer selector changes three left digits.
· Inner selector changes two right digits.
? Communication (COMM) TEST Switch
Push –
· Removes automatic squelch feature, permitting reception of
background noise and thereby testing receiver operation.
· Improves reception of weak signals.
COMMUNICATIONS
737 Sec. 6.5 Page 23
Flight Manual Continental Rev. 11/15/02 #41
>@ VHF Communication Panel
< VHF Communications Transfer (TFR) Switch
Selects which frequency as active for the transceiver.
= Frequency Indicator
Indicates selected frequency.
> Frequency Selector
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737 FLIGHT MANUAL 737飞行手册3(91)
