Honeywell KMA 29 User's Manual
Contents
1. The COM 1 through COM 5 AUDIO buttons are used to select the asso ciated receiver audio The selected transmitter receive audio is auto matically selected Pressing a button turns on the associated radio audio The pilot can identify which receivers are selected by noting which of the green lights are illuminated NAVIGATION RADIO AUDIO NAV ADF DME AUX AND MKR SELECTOR BUTTONS NAVI NAV2 ADFT ADF2 DME AUX MKR NAV 1 NAV 2 ADF 1 ADF 2 DME 1 AND DME 2 BUTTONS Pressing a button turns on the associated navigation receiver audio When selected the associated LED is illuminated AUX BUTTON The AUX button selects the entertainment audio The green LED above the button illuminates when entertainment audio is selected to be heard Refer to the Entertainment System Operation of this Pilots Guide for additional information MKR BUTTON When the MKR button is pressed the LED above the button is illuminat ed The MKR button enables the visual indications on the primary flight display PFD and the audio indicator when the aircraft passes over a 75 MHz marker beacon transmitter Rev 0 Feb 06 KMA 29 Audio Panel Pilot s Guide 9 Audio Panel Controls Honeywell When the LED above the MKR button is OFF the marker audio is muted The visual indications on the PFD will still operate when the air craft passes over the marker MKR SENS MARKER BEACON SENSITIVITY BUTTON The SENS button con2. been selected COM 1 audio is switched off This means that switching the COMs does not affect the selection of the COM receiver audio The audio panel gives priority to the pilots PTT switch If the copilot is transmitting and the pilot presses the PTT switch the pilot s microphone is heard over the selected COM transmitter Rev 0 Feb 06 KMA 29 Audio Panel Pilot s Guide 11 Audio Panel Operation Honeywell COMMUNICATION AND NAVIGATION AUDIO OPERATION Pressing any of the communication COM or navigation NAV ADF DME AUX or MKR audio selector buttons enables the associated audio and the LED above the button is lit Pressing the same audio selector button again turns the audio for that channel and the LED above the button off The pilot and copilot can select and listen to more than one communication or navigation audio at a given time DUAL KMA 29 OPERATION When two KMA 29 audio panels are installed both have access to the communications transceivers When both panels have selected the same transmitter the KMA 29 designated as the pilot position has prior ity Indication arrows above the microphone selectors indicate which side has selected the radio for transmit Offside radio indication is user selec table When the offside indication is off only the mic select arrow for the KMA 29 position is active When on the pilot can see which radio the copilot has selected for transmit and vice versa by noting which of the
3. delay The delay accounts for a tone that fades and then comes right back The MUTE is reset if the aircraft is flown out of the cur rent tone and then back in 2 The audio panel is turned OFF 3 If MUTE is pressed prior to crossing the marker beacon the mute will continue for 60 seconds and then timeout Rev 1 Sep 07 KMA 29 Audio Panel Pilot s Guide 13 Audio Panel Operation Honeywell Pressing and holding the MKR MUTE TEST button for five seconds causes the marker beacon discretes to go high for one second in order to test the marker beacon The marker beacon annunciations are shown on an external display SPLIT MODE OPERATION NOTE The Split Mode is used only in a single audio panel environ ment It allows the pilot and copilot to transmit and receive on different COM radios The typical Split Mode operation is as follows 1 Both pilot and copilot are on COM 1 microphone as indicated by both the left and right arrows being lit on COM 1 2 To split to COM 2 the pilot pushes the pilot side left side of the SPLIT button The LED above the pilot side of the SPLIT button lights indicating the SPLIT mode is initiated 3 The pilot then presses COM 2 microphone The pilot arrow indicator above the COM 2 microphone lights The pilot is now connected to the COM 2 microphone 4 The pilot access indicator on the COM 1 microphone turns off leav ing the copilot with sole access to the COM 1 microphone 5 The in
4. a few moments For consistent performance any headset microphone must be placed within 1 4 inch of your lips preferably against them It is also a good idea to keep the microphone out of a direct wind path Moving your head through a vent air stream may cause the IntelliVox to open momentarily This is normal For optimum microphone performance Honeywell recommends instal lation of a Microphone Muff Kit from Oregon Aero 1 800 888 6910 or equivalent This will not only optimize VOX acoustic performance but will also improve the overall clarity of all your communications The volume control for the intercom is the CREW PAX ICS VOL knob Refer to the CREW PAX ICS VOL Crew Passenger Intercom System Volume Knob paragraph in this Pilot s Guide for additional information All passenger headsets are connected in parallel If a monaural headset is plugged in to a KMA 29 installation one channel is shorted Although no damage will occur to the unit all passengers will lose one channel unless they switch to the MONO mode on the headset The intercom modes are given in the following table Rev 0 Feb 06 29 Audio Panel Pilot s Guide 15 Audio Panel Operation Honeywell z k Passenger Selected aircraft Copilot and pas Passenger This mode allows the radios senger intercom copilot intercom pilot to communicate without the others Pilot sidetone Entertainment 1 Entertainment 2 being bothered by during r
5. for all audio commu nications to and from the cockpit crew The audio panel receives inputs from all audio communication channels and aural warnings Audio out puts from the panel include a cockpit speaker and headphone jacks Noise canceling headsets can be used with the audio panel The audio panel provides the following functions Speaker control Five 5 very high frequency VHF communication COM trans ceivers Split single panel or dual panel independent operation e Intercom system operation with automatic voice activation VOX Eight 8 navigation receivers as follows Two 2 navigation NAV Two 2 automatic direction finder ADF Two 2 distance measuring equipment DME One 1 auxiliary AUX One 1 marker beacon MKR Marker beacon mute test and sense control Processing and routing of the aural warnings generated from exter nal sources or systems Four 4 unswitched audio inputs Entertainment system optional Telephone operation optional Rev 0 Feb 06 29 Audio Panel Pilot s Guide 3 Audio Panel Description Honeywell There are four unswitched inputs aircraft hard wired and configured available for traffic or terrain awareness warning system TAWS autopilot disconnect and or radar altimeter warning The audio panel always supplies the audio from one or two of the audio inputs to the pilot s and copilot s headset and cockpit speakers outputs during
6. normal operation Momentary push button switches are used to select one of the COM transceivers for the pilot and copilot position which allows radio trans mission In the Split Mode the pilot has the ability to transmit on one COM while the copilot can transmit on another COM A fail safe mode connects the pilot headphone and microphone to COM 1 if power is removed for any reason or if the power switch is placed in the OFF fail safe position A six station VOX intercom is included in the KMA 29 system This sys tem has a patented IntelliVox circuitry that eliminates manual adjust ments The system contains six separate VOX microphone circuits and only opens the microphone channel that is in use The intercom system incorporates pilot isolate mode all crew mode two independent stereo music inputs with Soft Mute and light emitting diode LED indications Intercom control is through a concentric front panel volume control and a push button intercom mode switch The small volume knob controls the intercom level for the pilot and copilot while the large knob controls the passenger intercom volume The inter com squelch is automatic A marker beacon receiver is integrated in the KMA 29 audio panel This provides the necessary marker beacon signal outputs to the display and audio indications necessary for an instrument landing system ILS approach The push button labeled MKR allows the pilot to select the marker beacon mode of oper
7. of the audio panel The buttons are dedicated momentary action push buttons Rev 0 6 29 Audio Panel Pilot s Guide Feb 06 Audio Panel Controls The COM 1 through COM 5 MIC buttons are used to select the associ ated radio transmitter The receiver audio for the selected transmitter is automatically selected A lighted arrow located above each button indicates that the button has been pressed and that the mode is active for the left pilot side right copilot side or both sides This depends upon the mode of the audio panel operation split or duplex mode Refer to the Split Mode Operation in this Pilot s Guide for additional information on the Split Mode COM 5 can be configured for duplex which simulates the operation of a telephone Refer to the Telephone Mode Operation in this Pilot s Guide for additional information on the Telephone Mode SPLIT MODE BUTTON NOTE The Split Mode is used only in a single audio panel environ ment It allows the pilot and copilot to transmit and receive on different COM radios The audio panel has two modes of operation Normal and Split In the Normal Mode the pilot and copilot transmit on the same selected COM radio The Split Mode operation allows the pilot and copilot to transmit and receive on sep arate COM radios SPLIT The SPLIT Mode button is a rocker switch used to select which crew member is on a given radio The selection is initiated by pres
8. times within one and a half 1 1 2 seconds The NAV 1 indicator blinks once to indicate that the Soft Mute inhibit is on and blinks twice when the Soft Mute inhibit mode is turned off music mutes with radio or intercom conversation The passenger music which is Entertainment 2 can be placed in the mute inhibit mode by a switch that is installed in the aircraft Rev 1 Sep 07 29 Audio Panel Pilot s Guide 17 Audio Panel Operation Honeywell TELEPHONE MODE OPERATION When enabled in the installation COM 5 serves as a full duplex inter face for telephone systems When interfaced with specific aircraft approved FAA FCC cellular telephone equipment the audio panel can serve as an audio control and distribution center The audio panel acts as an audio interface between aircraft headphone and microphones and telephone The pilot selects telephone by selecting COM 5 on the audio panel The copilot and passengers each have an external hook switch to allow them to use the telephone When COM 5 is configured for duplex and is selected the pilot micro phone and headphones are connected to the phone The pilot PTT switches the pilot microphone to the selected COM transceiver and allows continued aircraft communications The copilot is able to transmit on the other selected radio with the copilot PTT switch as well When the KMA 29 audio panel is configured for COM 5 duplex opera tion it functions as follows 1 The pilot sele
9. when the aircraft passes over a 75 MHz transmitter There is a service adjustment located on the unit for ground maintenance to adjust the marker audio volume level The outer middle and inner marker indications are shown on an exter nal display The audio panel supplies a 400 Hz dash audio tone for the outer marker The outer marker tone is keyed at a rate of two tones flashes per second when the aircraft is in the range of the outer marker beacon The panel provides a 1300 Hz tone for the middle marker which is keyed alternately with short dot and long dash bursts at 95 combinations per minute The audio panel supplies a 3000 Hz dot tone for the inner marker The inner marker tone is keyed at a rate of six times per second The MKR SENS button is used to set the receiver sensitivity and to test the marker beacon Use high HI sensitivity initially This allows you to hear the outer marker beacon about a mile out Then push the MKR SENS button to switch into the low LO sensitivity mode Low sensitivi ty gives you a more accurate location of the marker Many pilots choose to leave the button in the low sensitivity mode Pressing and releasing the MKR MUTE TEST button causes the mark er audio to mute for that beacon The muting continues until one of the following events occurs 1 marker tone is detected that is different from the one that was present when MUTE was initiated or if the same tone returns after a
10. Honeywell ia items 4 Al Or ies a Gat mi awa ea ee KMA 29 AUDIO PANEL Pilot s Guide Revision 1 Sep 2007 006 18303 0000 The information contained in this manual is for reference use only If any information contained herein conflicts with similar information con tained in the Airplane Flight Manual Supplement the information in the Airplane Flight Manual Supplement shall take precedence WARNING The enclosed technical data is eligible for export under License Designation NLR and is to be used solely by the individual organization to whom it is addressed Diversion contrary to U S law is prohibited COPYRIGHT NOTICE Copyright 2006 2007 Honeywell International Inc All rights reserved Reproduction of this publication or any portion thereof by any means without the express written permission of Honeywell International Inc is prohibited For further information contact Aerospace Technical Publications Honeywell Business amp General Aviation One Technology Center 23500 West 105th Street Olathe Kansas 66061 Telephone 913 712 0400 Revision History and Instructions Manual KMA 29 Audio Panel Pilot s Guide Revision 1 September 2007 Part Number 006 18303 0000 Summary Added paragraphs on dual KMA 29 operation on page 12 Updated instructions on the soft mute in
11. PERATION 11 COM MICROPHONE 11 COMMUNICATION AND NAVIGATION AUDIO OPERATION 12 DUAL 29 OPERATION 12 EMERGENCY 12 MARKER BEACON OPERATION 13 SPLIT MODE OPERATION 14 Rev Sep 07 KMA 29 Audio Panel Pilot s Guide i Table of Contents INTERCOM OPERATION ccc eee eee eee 15 ENTERTAINMENT SYSTEM OPERATION 16 Entertainment Soft Mute and Soft Mute Inhibit Modes 17 TELEPHONE MODE OPERATION 18 Rev 1 il 29 Audio Panel Pilot s Guide Sep 07 Introduction INTRODUCTION All of us at Honeywell congratulate you on choosing this product You are now the owner of an outstanding audio system We understand that you probably can t wait to see it in action but before you try to use it please take the time to read through this manual and understand its many interesting and useful features Time spent in familiarizing your self with your new KMA 29 unit will be more than repaid by trouble free operation later This Pilot s Guide will be of great help to you It is written in plain sim ple English and it assumes that you are not an experienced user of the audio system If you are experienced then even better I
12. adio the conversations transmission The copilot and pas sengers can contin ue to communicate and listen to music Entertainment 1 is muted Pilot Copilot Passengers This mode allows all on board to hear Copilot Pilot Pilot radio receptions as well as the ability to communicate on the Selected aircraft intercom Music and Passengers Passengers radio intercom are muted during intercom and Entertainment 1 Entertainment 1 Entertainment 2 radio communica tions Selected aircraft Selected aircraft Copilot radio radio Pilot Copilot Passengers This mode allows the pilot and copilot to Copilot Pilot Entertainment 2 concentrate on fly ing while the pas sengers can commu nicate amongst Entertainment 1 Entertainment 1 themselves Selected aircraft Selected aircraft radio radio ENTERTAINMENT SYSTEM OPERATION The KMA 29 audio panel has provisions for two separate entertainment inputs Entertainment 1 or Music 1 feeds the pilot and copilot posi tions which operate independently in the audio panel The CREW PAX ICS VOL knob does not affect the music level Most general aviation headsets today have built in volume controls therefore the music vol ume can be adjusted at the headset Entertainment 2 or Music 2 is fed to the passengers The passenger music also operates independently of the crew Music 1 Rev 0 16 KMA 29 Audio Panel Pilot s Guide Feb 06 Honeywell Audio Panel Operati
13. arrows is illuminated To toggle the offside transmit selection indication press the right side of the SPLIT button three 3 times within one and a half 1 1 2 seconds When the mode is activated the NAV 1 indicator blinks once When the mode is toggled off the NAV 1 indicator blinks twice This mode remains in effect until changed by the user including power cycles EMERGENCY OPERATION NOTE In the event of a failure or loss of power to the audio panel the PUSH EMG OFF power switch should be pressed When pressed both pilots microphones are directly connected to the COM 1 The PUSH EMG OFF Power On and Emergency Off switch is a two position switch One position is On implied and the other position is EMG OFF The Emergency and Off modes of operation are identical In the EMG OFF position the pilot is connected directly to COM 1 trans mit and COM 1 receive through the headphones only This allows com Rev 1 12 KMA 29 Audio Panel Pilot s Guide Sep 07 Honeywell Audio Panel Operation munication capability regardless of the condition of the unit Any time power is removed or turned off the audio selector is placed in the EMG mode In the EMG mode one or two of the unswitched audio inputs are sup plied to the pilot headset Also in the EMG mode audio signals are pre sent in only one ear of a stereo headset MARKER BEACON OPERATION The marker beacon receiver uses visual and audio indicators to alert the crew
14. ation The pilot can then select either high or low sensitivity using the marker beacon sensitivity MKR SENS but ton or mute the marker beacon audio by pushing the MUTE button The marker beacon can be tested by selecting and holding the MKR MUTE TEST button for five seconds The aircraft system uses the marker beacon receiver information sup plied by the audio panel to generate status displays Rev 0 4 KMA 29 Audio Panel Pilot s Guide Feb 06 Audio Panel Controls AUDIO PANEL CONTROLS The front panel drawing of the audio panel is shown below The controls include the following SPKR PA Speaker Passenger Address Switch COM MIC Microphone Selector Buttons SPLIT Mode Button CREW PAX ICS VOL Crew Passenger Intercom System Volume Knob PUSH EMG OFF Power On and Emergency Off Switch ICS Intercom System Button COM AUDIO Selector Buttons Navigation Radio Audio NAV ADF DME AUX Selector Buttons SENS Marker Beacon Sensitivity Button e MUTE TEST Marker Beacon Mute Test Button ON OFF PA Ics VOL CREW O PAX 2 coms SPLIT N Me 150 ALL CREW f lt PUSH i com1 COM2 EMG OFF 1 1 MKR MUTE TEST j i F MKR NAVI NAV2 ADF1 ADF2 DME1 DME2 AUX MKR KMA 29 Audio Panel Rev 0 Feb 06 KMA 29 Audio Panel Pilot
15. cts telephone by selecting COM 5 on the audio panel 2 The copilot selects telephone using the external copilot hook switch 3 The passengers select telephone using the external passenger hook switch NOTE The use of non aviation approved cellular telephone equipment may be prohibited by regulation Honeywell is not responsible for unauthorized airborne use of cellular telephones For air borne use the KMA 29 audio panel must be interfaced with an approved system Rev 0 18 29 Audio Panel Pilot s Guide Feb 06 Honeywell Aerospace Business and General Aviation Honeywell International Inc One Technology Center 23500 West 105th Street Olathe KS 66061 Telephone 913 712 0400 FAX 913 712 1302 www honeywell com 006 18303 0000 Rev 1 09 07 Honeywell 2006 2007 Honeywell International Inc
16. hibit on page 17 R 1 Revision History and Instructions Manual KMA 29 Audio Panel Pilot s Guide Revision 0 February 2006 Part Number 006 18303 0000 Summary This is the original release of this publication R 2 Table of Contents INTRODUCTION 1 ACRONYMS AND ABBREVIATIONS 2 AUDIO PANEL DESCRIPTION 3 AUDIO PANEL 5 5 SPKR PA SPEAKER PASSENGER ADDRESS SWITCH 6 COM MIC MICROPHONE SELECTOR BUTTONS 6 SPLIT MODE BUTTON 7 CREW PAX ICS VOL KNOB AND PUSH EMG OFF SWITCH 8 CREW PAX ICS VOL Crew Passenger Intercom System VoOlWMe KAOD ora oct werd cides 8 PUSH EMG OFF Power and Emergency Off Switch 8 ICS INTERCOM SYSTEM BUTTON 8 COM AUDIO SELECTOR BUTTONS 9 NAVIGATION RADIO AUDIO NAV ADF DME AUX AND SELECTOR BUTTONS camici anes Pode 9 NAV1 NAV 2 ADF 1 ADF 2 DME 1 AND DME 2 Buttons 9 AUX aeni dayer miui 9 MKR mead ve ee eine 9 SENS MARKER BEACON SENSITIVITY BUTTON 10 MUTE TEST MARKER BEACON MUTE TEST BUTTON 10 AUDIO PANEL O
17. o panel the PUSH EMG OFF power switch should be pressed When pressed both pilots microphones are directly connected to the COM 1 The audio panel power is turned on and off by pushing the PUSH EMG OFF power switch The power switch has two positions which are On and EMG OFF The On position is not labeled on the switch but it is implied On when not in the EMG OFF position The switch position is the same for Emergency and Off and the modes of operation are identi cal Refer to the Emergency Operation in this Pilot s Guide for additional information The power switch also controls the intercom audio selector panel functions and marker beacon receiver ICS INTERCOM SYSTEM BUTTON The ICS selector button enables communication between the pilot copilot and all passengers that are on a headset The ICS rocker switch cycles through the intercom modes left to right or right to left and wraps around An LED shows the active mode Refer to Intercom Operation in this Pilots Guide for additional information about the intercom modes Isolated ISO All and Crew The intercom volume is controlled by the CREW PAX ICS VOL Knob Refer to the CREW PAX ICS VOL Crew Passenger Intercom System Volume Knob paragraph in this Pilot s Guide for additional information Rev 0 8 29 Audio Panel Pilot s Guide Feb 06 Audio Panel Controls COM AUDIO SELECTOR BUTTONS comi 2 coma coma coms sooo o oo
18. om and passenger address systems Amplifiers are included for driving head phones and speakers The audio panel also has inputs for intercom crew annunciator crew communication hot microphones and full time emergency warning inputs from aircraft systems COM MICROPHONE OPERATION When a microphone selector button is selected and PTT switch is enabled the pilot s or copilot s microphone signal is routed to that radio s microphone input Pressing the MIC selector button to enable a particular COM also causes the audio for that particular COM to be automatically enabled Above each microphone input selector button are left and right arrow LEDs that show the status of the respective COM transceiver The left arrow is lit when that particular COM transceiver is assigned to the pilot The right arrow is lit when that particular COM transceiver is assigned to the copilot Only one COM microphone output can be active for the pilot or copilot at a time with two exceptions The two exceptions are Split Mode and Telephone Mode or Duplex Mode operation Refer to Split Mode Operation and Telephone Mode Operation in this Pilot s Guide for additional information When switching between COMs such as from COM 1 to COM 2 while COM 2 AUDIO has been selected COM 1 audio will continue to be heard This eliminates the need for the pilot to switch the COM 1 audio back on if desired When switching from COM 1 to COM 2 while COM 2 AUDIO has not
19. on While in the intercom ISO mode Entertainment 1 is muted for the pilot The copilot hears Entertainment 1 at a normal level The music auto matically mutes when either the copilot or passengers speak and then gradually returns to the original listening level when the intercom or radio conversation ceases The pilot does not mute the music while in the ISO mode if the PTT switch is pressed to transmit or if the pilot speaks while on the phone When in the intercom ALL mode Music 1 mutes automatically with a Soft Mute or can be placed in Soft Mute Inhibit Mode which is described below The passengers can disable their music muting with an external switch that may have been installed during installation While in the intercom CREW mode the pilot and copilot hear Entertainment 1 while the passengers hear Entertainment 2 ENTERTAINMENT SOFT MUTE AND SOFT MUTE INHIBIT MODES The Soft Mute feature assures that the aircraft radio transmissions are not missed due to playing entertainment When there is radio reception or intercom conversation the music level is decreased gradually to a very low level When the radio or intercom traffic ceases the level grad ually returns back to normal The KMA 29 audio panel is equipped with a Soft Mute inhibit capability This allows the music to continue uninterrupted by intercom or radio traffic when the cockpit workload is appropriate To inhibit the Soft Mute press the MKR MUTE TEST button three 3
20. s Guide 5 Audio Panel Controls Honeywell SPKR PA SPEAKER PASSENGER ADDRESS SWITCH The SPKR PA switch has three functions Speaker Speaker OFF e Passenger address system ON The SPKR PA rocker switch can be pushed to the left or right Each time the right side of the switch is pushed the mode changes from left to right as indicated by the light emitting diodes LEDs and does not wrap around Each time the left side of the switch is pushed the mode changes from right to left as indicated by the LEDs and does not wrap around Pushing the SPKR PA switch toggles between the following selections ON The ON light is illuminated all selected audio will come over the cockpit speaker headset audio is always on OFF The OFF light is illuminated no audio is available over the cockpit speaker headset audio is always on PA light is illuminated the pilot can transmit through the microphone to the passenger cabin speaker The normal microphone push to talk PTT switch is used for the PA function The copilot can continue to use the selected COM radio while the pilot is heard over the speaker The pilot s microphone has priority if both the pilot and copilot PTT switches are pressed at the same time and both audio pan els are on PA COM MIC MICROPHONE SELECTOR BUTTONS lcom1 com gt coma coma coms The microphone input selector buttons are located along the upper edge
21. sing the left pilot side or right copilot side of the SPLIT button The LED above the SPLIT button indicates who can select the COM radio for transmis sion For example the SPLIT Mode button that is shown above illus trates that the copilot is making the COM selection The person in con trol can then select the specific COM radio to be connected to that per son s PTT switch The LED located above each COM button indicates which PTT switch is connected to that radio When the Split Mode is active the split operation can be toggled between the pilot and copilot by pushing the desired side of the SPLIT button The audio panel remains in the Split Mode until it is cancelled by the pilot and copilot selection of the same COM MIC radio Rev 0 Feb 06 KMA 29 Audio Panel Pilot s Guide 7 Audio Panel Controls Honeywell CREW PAX ICS VOL KNOB AND PUSH EMG OFF SWITCH CREW PAX ICS VOL CREW PASSENGER INTERCOM SYSTEM VOLUME KNOB The CREW PAX ICS VOL knob control adjusts the loudness of the intercom only Turning the inner knob clockwise and counterclockwise sets the volume of the headphone up or down respectively for the CREW intercom Turning the outer knob controls the speaker or headphone volume for the passengers PAX intercom It has no effect on selected radio levels music input levels or passengers volume level PUSH EMG OFF POWER ON AND EMERGENCY OFF SWITCH NOTE In the event of a failure or loss of power to the audi
22. t is designed so you can start at the front of the manual and progress in the order presented however you may want to skip around and learn things in your own order Throughout this manual it is assumed that the pilot sits on the left side of the aircraft and the copilot sits on the right side Any reference to a left arrow indication refers to the pilot side and a right arrow indication refers to the copilot side Rev 0 Feb 06 29 Audio Panel Pilot s Guide 1 Introduction Honeywell ACRONYMS AND ABBREVIATIONS ADF Automatic Direction Finder AUX Auxiliary COM Communication DME Distance Measuring Equipment EMG Emergency HI High ICS Intercom System ILS Instrument Landing System ISO Isolated LED Light Emitting Diode LO Low MIC Microphone MKR Marker NAV Navigation PA Passenger Address PAX Passenger PFD Primary Flight Display PTT Push to Talk SENS Sensitivity SPKR Speaker TAWS Terrain Awareness Warning System VHF Very High Frequency VOL Volume VOX Voice Activation Rev 0 2 KMA 29 Audio Panel Pilot s Guide Feb 06 Honeywell Audio Panel Description AUDIO PANEL DESCRIPTION The KMA 29 audio control panel provides audio system control for the cockpit crew and passengers The panel also provides an interface to the passenger address PA system and aural warning system The audio panel also includes a marker beacon receiver The audio panel is used to make audio selections
23. tercom system ICS modes changes to isolated ISO The pilot indicator over the SPLIT button turns off When the Split Mode is activated the intercom automatically reverts to the Isolated Mode However the ICS button can be used to enable the Crew and All modes for intercommunications To exit the Split Mode the pilot and copilot should select the same COM MIC button The Split Mode operation permits one user to enable both COM 5 and any other COM 1 thru 4 while simultaneously allowing the other user to select one of the remaining COMs 1 thru 4 The following is an example of this configuration The pilot selects COM 5 Telephone and COM 1 MIC Microphone The copilot enables the Split Mode by pressing the right side copilot side of the SPLIT button The copilot then selects COM 2 Rev 1 14 29 Audio Panel Pilot s Guide Sep 07 Honeywell Audio Panel Operation INTERCOM OPERATION The intercom system is an IntelliVox automatic voice activated system The IntelliVox circuitry eliminates the need for manual adjustments of the squelch Through three individual signal processors the ambient noise appearing in all six microphones is constantly being sampled Non voice signals are blocked When someone speaks the microphone circuit opens placing their voice on the intercom The system is designed to block continuous tones therefore someone humming or whistling in monotone may be blocked after
24. trols the marker beacon MER receiver sensitivity The button alternates between the HI and LO settings The LEDs indicate which sen sitivity is selected as follows HI High sensitivity allows the pilots hear the outer marker approximately one mile from the beacon LO Low sensitivity provides a more accurate location of the marker When used only for approach markers many pilots choose to leave the switch in the low sensitivity position MKR MUTE TEST MARKER BEACON MUTE TEST BUTTON When the MKR MUTE TEST button is pressed and released the marker beacon audio is muted for that marker beacon The muting continues until one of the following events occurs e A marker tone is detected that is different from the one that was present when the MUTE button was pressed The audio panel is turned OFF e If MUTE is pressed prior to crossing the marker beacon the mute will be held for 60 seconds and then timeout When the MKR MUTE TEST button is pressed and held for five sec onds the marker beacon discretes go high for one second Rev 0 10 29 Audio Panel Pilot s Guide Feb 06 Honeywell Audio Panel Operation AUDIO PANEL OPERATION The audio panel receives audio from remote radio units decodes the audio controls the gain volume and routing of the various channels filters audio signals and output the audio to various speakers and head phones It controls microphone inputs to various radios interc
Download Pdf Manuals
Related Search