nada prezentacija (2)
TRANSCRIPT
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BELL 206 B3 AVIONIC
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ADF
AUTOMATIC DIRECTION FINDER
KI 227 - ADF
INDIKATOR
KA 44B -
ADF
SENSE/LOOP
ANTENNA
KR 87 -
ADF
RECEIVER
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BENDIX/KING KR-87 AUTOMATIC DIRECTION FINDER
The radio waves are received at the
sense/loop antenna, are amplified and
sent to the receiver.
The receiver processed the loop signalsand drives the indicator to provide
bearing information.
The indicator, if ADF receiver is in the
ADF mode points to the relative
bearing station.
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KR 87 ADF RECEIVER
Two basic modes:
--The ANT- antenna mode
--The ADFautomatic direction finder mode
--In the ANT mode the needle remains parked at the 90
degrees bearing position.
--In the ADF mode, the loop signals provide bearing
information and the indicator points to the relative
bearing of the station.
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RECEIVERKR 87 ADF
In the ANTmode the needle remains parked at the 90 degrees
bearing position and the unit simply acts as a receiver, allowing
audio reception through the speaker or headphones.
The ANT message on the left side of the display will be
illuminated.
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KR 87 ADF RECEIVER
The ADF message on the left side of the display will be illuminated and the
indicator needle will point to the relative bearing of the selected station.
In order to tell if there is sufficient signal for navigational purposes, the pilot
can place the KR 87 back in ANT mode, parking the needle in 90 degrees.
When the unit is then switched in ADF mode, the needle should slew to the
station in a positive manner, without excessive sluggishness, wavering or
reversals.
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KR 87 ADF RECEIVER
BFO BEAT FREQUENCY OSCILLATOR MODE
A Beat frequency oscillator is provided to allow the stations to be more easilyidentified.
Pushing the BFO switch will cause a 1000 Hz tone to be heard whenever there is
a radio carrier signal present at the selected frequency.
It will also illuminate the BFO message in the center of the display.
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KR 87 ADF RECEIVER
The active frequency is displayed on the left hand window.
The frequency may be changed with the concentric knobs in the right side, when
either timer mode(FLT or ET) is being displayed on right hand window.
To set the tents digit, push the small knob and rotate it. Clockwise rotation will
increment the digit and opposite.
When the small knob is pulled out the first digit may be set.Turning the large knob changes the 100,s digit and 1000s digit.
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ADF RECEIVER KR 87
The standby frequency is displayed on the right hand window when the FRQ message
is illuminated.
When this is the case the frequency may be changed with the knobs in a manner
similar to the explained previously for the active frequency.
If the standby FRQ is not being displayed itmay be called to the window pressing the
FRQ button. Pressing this button the current and active frequency will changed the
position.
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KR 87 ADF RECEIVER
PRESSING THE SET/RESET BUTTON WILL RESET
THE ELAPSED TIMER REGARDLESS OF WHAT IS
CURRENTLY BEING DISPLAYED.
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KR 87 ADF RECEIVER
The timer counts down to zero and then
begins to count up.
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KMA 24H INTERCOMMUNICATIONS SYSTEM
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KMA 24H INTERCOMMUNICATIONS SYSTEM
KMA 24 H -
AUDIO CONTROL PANEL
PILOT/COPILOT
HEADSET/MIKE
PILOT/COPLITCYCLIC STICK SWITCH
CABIN SPEAKERS
28 VDC
TWO CIRCUIT BREAKERS
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KMA 24H INTERCOMMUNICATIONS SYSTEM
ICS keying is performed
by the INTERCOMswitch
on the pilot or copilotcyclic switch.
All transmitters can be
keyed from pilot or
copilotRADIO(TRANSMITTER)
switch.
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KMA 24H INTERCOMMUNICATIONS SYSTEM
KMA 24H audio control box
on the central pedestal
INTERCOM and RADIO
SWITCH
on cyclic stick (pilot or copilot)
TWO CIRCUIT BREAKERS
On overhead console
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KMA 24H INTERCOMMUNICATIONS SYSTEM
position Function
EMG EMERGENCY
1 TRANCIEVER NO 1
2 TRANCIEVER NO 2
3 TRANCIEVER NO 3
4 TRANCIEVER NO 4
5 TRANCIEVER NO 5
PA CABIN SPEAKERS (PA)
KMA 24H ROTARY SELECTOR POSITIONS
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KMA 24H INTERCOMMUNICATIONS SYSTEM
KMA 24H ROTARY SELECTOR POSITIONS
POSITION FUNCTION
NAV 1 VOR NO 1
NAV 2 VOR NO 2(if installed)
DME DME( if installed)
MKR MARKER BEACON
RECIEVER AUDIO
ADF ADF RECEIVER AUDIO
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KMA 24H INTERCOMMUNICATIONS SYSTEM
The KM 24H-71 audio panel has concentric knobs on the left
side.
The inner knob is an intercom VOLUME control.
The outer knob controls the VOX (Voice Operated Intercom)
circuitry in the audio panel.
The unit has ten pairs of on/off push-button switches.
Thepush-buttons permit audio reception from five transceivers
and five receivers.The control panel has provisions in addition to emergency (EMG)
and PA positions. In the same rotary switch a push/pull (SPKR
AUTO) switch is incorporated to control the audio from the
receiver selected by the MIC selector switch.
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KMA 24H INTERCOMMUNICATIONS SYSTEM
CAUTION
Select a frequency on which
it is permitted to transmit.
Do not transmit if a
communication is in a
progress.
Listen and wait until it is
permitted to transmit.
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GMA 340
INTERCOMMUNICATIONSSYSTEM
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There are some differences between helicopters in communications
system.
Two kind of audio control boxes exist on helicopters.
Once mentioned KMA 24H and GMA 340.
The differences between is MARKER BEACON section upgraded on
second audio control box GMA 340.
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The GMA-340 is a very well-equipped Audio Panel. Not onlydoes it have the Marker Beacon section that you would expect,
but it also has a Stereo Voice-Activated Intercom system. The
GMA-340 was designed to make communicating easier and more
flexible. And if you add stereo music, it can make your flying
more fun as well.
The Voice-Activated Intercom features six places, and allows
easy isolation between the pilot, crew, and passengers. There
are separate volume controls for the pilot, co-pilot, andpassengers, to tailor the system as needed for hearing or
headset equipment differences.
GMA 340 INTERCOMMUNICATIONS SYSTEM
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The GMA-340 is loaded with features pilots love, including: Split
COMMs, so the pilot can work COMM1 and the co-pilot COMM2
Remote pushbutton microphone swap between COMM1 and
COMM2
Intelligent signal processing, to reduce background noise
Two unswitched audio inputs for traffic, terrain, or altitude
warnings, or telephone calls
Failsafe pilot connection to COMM1
Speaker amplifier for announcements
SmartMute audio muting
Large buttons and clear transmit indication
Automatic annunciator dimming
GMA 340 INTERCOMMUNICATIONS SYSTEM
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KY196 A
COMMUNICATION TRANCIEVER
SYSTEM
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KY196 A VHF COMMUNICATION TRANCIEVER SYSTEM
When a transmitter or receiver
operates on VHF (from 30 to
300 MHz) the range is limited
by the earths curvature.
On VHF frequency and higher
the range of the transmitter
and receiver is dependent
upon the line of sight. Which
means :
If I see, I can reach.
Natural obstructions like
mountains, man-made
structures, like buildings and
the shape of the earth, could
be obstacles to VHF signals.
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KY196 A VHF COMMUNICATION TRANCIEVER SYSTEM
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KY196 A VHF COMMUNICATION TRANCIEVER SYSTEM
The KY196A comprises acomplete system which will
provide two way voice
communications from 118.000
to 135.975 MHz in 50 or 25 KHz
increments.
The system is consist of:
-KY 196A
-KMA 24H
-VHF ANTENNA
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KY196 A VHF COMMUNICATION TRANCIEVER SYSTEM
Power On
Rotate the On/OffVolume/Squelch Control Knob
out clockwise from the OFF
position.
Pull the On/Off knob out and
rotate the volume control fordesired listening level of the
noise being produced by the
receiver.
Push the knob back to activate
the automatic squelch.
During the transmit operation a
T will appear between the
active and the standby
frequency displays.
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KY196 A VHF COMMUNICATION TRANCIEVER SYSTEM
Momentarily pressing the
CHANNELbutton while in
FREQUENCY MODE puts theunit in CHANNEL MODE.
The units remainstuned to
the last active freq. displayed
before entering the CHANNEL
MODE.The last used channel number
is displayed.
If there has been no activity
for five seconds the unit will
return to FREQUENCY MODE.When in CHANNEL MODE
pressing the TRANSFER
button will return the unit to
FREQ MODE. The CHANNEL
FREQ will become a new
ACTIVE FREQUENCY.
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KY196 A VHF COMMUNICATION TRANCIEVER SYSTEM
Momentarily pressing the CHANNEL
button while in FRQ more than twosec puts the
unit in PROGRAM MODE.
If no channel programmed dashes will
appear on the display.
If there has been no activity for twenty
sec the unit will return to FRQ MODE.
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KX 165 COMMUNICATIONS
TRANSCEIVER
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KX 165 COMMUNICATIONS TRANSCEIVER
IF I SEE, I CAN REACH
VHF range from 30 to 300 MHz
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KX 165 COMMUNICATIONS TRANSCEIVER
The COMM/NAV system consists of a
COMMtransceiver and navigationreceiver, a VHF COMM antenna, a
VOR/LOC antenna and a CDI (Course
Deviation Indicator).
The Vhf COMM trans. Enables airborne
communication.Signals are received at the antenna and
sent to the receiver. During
transmission, the RF energy is sent to
the air by means of the comm antenna.
The NAV receiver allows the pilot to fly
using the existing VOR/LOC signals.
These signals are processed in the
(Course Deviation Indicator).
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KX 165 COMMUNICATIONS
TRANSCEIVER
Power on
Rotate the On/Off/VOL control knob
clockwise from the Off position.
Rotating the increment / decrementknobs select the desired operating
frequency in STBY display, than press
transfer button to exchange the FRQ.
The larger knob will change the MHz
portion of the STBY display.The smaller knob will change the KHz in
steps of 50 KHz when the knob is pushed
and 25KHz when the knob is pulled out.
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KX 165 COMMUNICATIONS
TRANSCEIVER
By rotating the concentric NAV FRQ
knobs the desired FRQ can be
entered into the STBY display.
When the NAV KHz FRQ is pulled out
on the KX165 , the VOR radial from
the station is digitally displayed in the
STBY/RAD window.
When the VOR signal is too weak to
provide a radial readout we will seethree dashes on the screen.
The NAV IDENT mode is activated by
pulling out the VOL/IDENT knob.
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KX 165 COMMUNICATIONS
TRANSCEIVER
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KX 165 COMMUNICATIONS
TRANSCEIVER
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KX 165 COMMUNICATIONS
TRANSCEIVER
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KX 165 COMMUNICATIONS
TRANSCEIVER
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KT 71 TRANSPONDER
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KT 71
Interrogation 1030 MHz
Reply 1090 MHz
The transponders
function is to transmit a
coded response to an
interrogationtransmitted by a traffic
control ground radar
station.
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KT 71
The transponder in the
hel. replies to the mode
A and C interrogations
with a coded pulse groupon a carrier of 1090 MHz.
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KT 71
In mode A reply the coding of the pulses represents
an identification number of the aircraft carrying the
transponder.
The number is inserted into the transponder by meansof coded switches on the front panel.
This number consist of four octal digits(0-7) which
gives the transponder the capability of 4096 different
identification number.
The coding Of mode A consists of fifteen pulses.
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GTX 328 TRANSPONDER
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GTX 328- TRANSPONDER
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GLOBAL POSITIONINGSYSTEM KLN 89 B
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GPS KLN 89 B
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GPS KLN 89B
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GPS KLN 89B
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GPS KLN 89B
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GPS KLN 89B
GPS KLN 89B
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GPS KLN 89B
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GPS KLN 89B
GPS KLN 89B
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GPS KLN 89B
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GPS KLN 89B
GPS KLN 89B
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GPS KLN 89B
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GPS KLN 89B
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