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PMA 7000H Installation Manual

1. TSO COMPLIANCE Marker Beacon C35d Class A Audio Selector Intercom C50c Class A APPLICABLE DOCUMENTS RTCA DO 214 RTCA DO 143 RTCA DO 160C RTCA DO 178B ENVIRONMENTAL Qualifications AIDI CA MN XXXXXXBBBBTBKXX Operating Temperature Range 15 C to 55 C Altitude Up to 50 000 feet in an non pressurized area DIMENSIONS Height 1 3 in 3 3 cm Width 6 25 in 16 9 cm Depth 6 8 in 17 3 cm WEIGHT With Rack amp Connectors 1 5 Ib 0 54 kg POWER REQUIREMENTS Including Internal Lighting Voltage 11 to33 VDC Maximum Current 2 5 Amp Externally protected by a 3A pull type breaker 200 780 0429 Page 1 2 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual Audio Selector Specifications Audio selector panel input impedance 5100 Input Isolation 60 dB min Speaker Muting 60 dB min Speaker Output into 4 Q with no clipping 14 VDC 3 Watts min 28 VDC 10 Watts min Receiver Inputs 9 Com 1 Com 2 Com 3 Nav 1 Nav 2 ADF DME MKR AUX Unswitched Inputs 4 Transmitter Selections 5 Com 1 Com 2 Com 3 Com1 2 Com1 3 Speaker Impedance 40 Headphone Impedance 150 1000 Q Headphone Output 38 mW each headset no clipping lt 1 THD Microphone Impedance 150 600 O Intercom Specifications Interco
2. 4 Pass Phones Lo A Pass 3 a Md pa PhonesJack 4 2 Pass Mic Hi ey 1 Pass 1 Mic Jack Er D EOT Pass Mic Lo y c p j gi Pass5 ES HA PhonesJack SH Pass men fe pass 2 Mio Jack j t 40 E Pass Mic Lo mI gt A a Pass 7 Y PhonesJack E m7 ra 6 Tea PASSE Mic Hl pa I Pass 3 Mic Jack E Y F eee ae Pass Mic Lo Pass2 y La aa PhonesJack EM pev Pass 4 mic sack H Pass Mic Lo 4 1l Cc 1 C 7 Pass 4 a E MEA e Pass 5 mic Jack PhonesJack Pass Mic Lo 7 Pass 6 P pese MICH oe I Pass 6 Mic Jack PhonesJack Pass Mic Lo a EN 7 Passenger 8 only E Pass Mohi py Pass 7 Mic Jack s opes 7 ass Mic Lo gt available in units with U Phonesjack i oO serial numbers be U Pass MicHi ia ginning with B and Pass Mio Lo gt above Notes ilot Mic Audio 8 opio Mic Audi i 9 4 3 1 opilot PTT Copilot Mle Jack 1 Pin Ais pulled low when AUX is active i i 2 All shields should be grounded at audio panel only lot Mic Li K Y ds BN other end remains floating e e 3 When ICS Enable is grounded the ICS PTT are active A o Output Copilot PTT Connect return side of switches to airframe ground or Top Connector onto Output Notes 1 10 Pin Z J C3 Duplex Mode Input 4 All phone and mic jacks must be floating from ground 5 CVR outputs 161 6C3 Ent 1 Audio Ll f 0 y 6 All wiring t
3. Refer to FAA Advisory Circular 43 13 2A for more information Failure to use correct techniques may result in improper operation electrical noise or unit failure Damage caused by improper installation will void the PS Engineering warranty NOTE PS Engineering can make a custom wiring harness for the intercom Call 1 800 ICS AERO or see www ps engineering com for details 200 780 0429 Page 2 2 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 2 4 1 Noise Due to the variety and the high power of radio equipment often found in today s general aviation aircraft there is a potential for both radiated and conducted noise interference The PMA7000H power supply is specifically designed to reduce conducted electrical noise on the aircraft power bus by at least 50dB Although this is a large amount of attenuation it may not eliminate all noise particularly if the amplitude of noise is very high There must be at least 13 8 VDC present at the bottom connector pin 20 of the PMA7000H for the power supply to work in its designed regulation Otherwise it cannot adequately attenuate power line noise Shielding can reduce or prevent radiated noise 1 e beacon electric gyros switching power supplies etc However installation combinations can occur where inter ference is possible The PMA7000H was designed in a RFI hardened chassis and has internal Electr
4. A oom t Audio Hi 3e 9 Bottom Connector J1 Communications 2 gt comite N 7X otes Transceiver 1 Com 1 Mic Audio Hi P Com 1 Mic Key E R 1 Pins 7 N 21 are not used i c Y 2 All shields should be grounded at audio panel only Jy Com Spr Load C 19 other end remains floating Com 1 SPR Load 7 Com 1 Spr Load L 3 Speaker and Pilot Headphone ground returns See Note 8 MUST be kept separate and connected to pin 22 i i i Communications amie Auala Ht A 10 4 All Power and Ground wires must be 18 gage wire LG meio _ Lighting 22 AWG other wires minimum 24 AWG Transceiver 2 o Com 2 Mic Audio Hi A H 5 Pilot mic and headphone jacks must be isolated from ground PSA Com 2 Mic Key V V 6 Pin 20 connected through a 3 A breaker c 2 SPR Load Com 2 Spr Load C 16 7 PA Mute is a TTL level logic output om oa Com 2 Spr Load M that is pulled low when PTT active 8 Speaker loads may be required on some HR h a ae Com s Aude Hi A J transceivers Consult transceiver manufacturer s information Communications o Com 3 Lo E 9 Installations require a 3 A breaker Transceiver 3 n 3 Mic Audio Hi K 10 Audio applied to Pins T 17 U and X is always presented Com 3 Mic Key ta 15 in speaker pilot and copilot headphones regardless T of SPR s
5. Cellular Plug typical Tip Microphone out Cellular Phone Ring Speaker audio Interconnect Bas 7000H Bottom Conne cena Audie oy ut COM 3 Mic Inp Audio Lo 1 8 Cellular Jack For Duplex cell phone operation Pin J of top connector MUST BE GROUNDED This is a typical interconnect PS Engineering does not guarantee compatability in all cases Figure 2 2 Cellular telephone interface Unauthorized use of unapproved cellular telephone devices in flight is subject to FCC enforcement action which may include a 10 000 fine per incident PS Engineering Inc does not endorse using unapproved cellular telephone equipment in flight and takes no responsibility for the user s action FCC Regulation 47 CFR 22 925 Prohibition on airborne operation of cellular telephones Cellular telephones installed in or carried aboard airplanes balloons or any other type of aircraft must not be operated while such aircraft are airborne not touching the ground When any aircraft leaves the ground all cellular telephones on board that aircraft must be turned off 2 4 5 Transmit Interlock Some communications transceivers use a transmit interlock system To fully utilize the Split Mode feature this function must be disabled Consult that manufacturer s installation manual 2 4 6 Swap Mode When a momentary normally open push button switch is connected between pin 10 on the top connector and aircraft ground the user
6. uu ENGINEERING INCORPORATED 9800 Martel Road Lenoir City TN 37772 www ps engineering com High En ux ComtB Com2e ey Com30 Navi Nav2 ADF DME Test gt TE Com26 mr Com3e Gr A AUX SPR ENGINEERING r5 INCORPORATED PMA7000H Document P N 200 780 0429 Rev 5 February 2015 Audio Selector Panel with Marker Beacon Receiver High fidelity Stereo Intercom System Installation and Operation Manual FAA Approved TSO C50c C35d JAA Approved JTSO C50c 2C35d Patented under one or more of the following No 5 903 227 6 160 496 and 6 493 450 In certified aircraft warranty is not valid unless this product is installed by an Authorized PS Engineering dealer PS Engineering Inc 2015 Copyright Notice Any reproduction or retransmittal of this publication or any portion thereof without the expressed written permission of PS Engineering Inc is strictly prohibited For further information contact the Publications Manager at PS Engineering Inc 9800 Martel Road Lenoir City TN 37772 Phone 865 988 9800 email avionics ps engineering com Table of Contents SECTION I GENERAL INFORMATION occocconosconconornonccnonconornoraonconocconarnoaoncononcononnoncnconosccnconosacnos 1 1 Ii EE VOUO 1 1 1 2 SCOPE m 1 1 13 EQUIPMENT DESCRIPTION eese esee entente atenta sins tn tasas
7. Humidity 6 0 Equipment tested to Category A Shock 7 0 Equipment tested to Operational test only Operational 7 2 Equipment tested to Operational test only Crash Safety 7 3 Equipment tested to Operational test only Vibration 8 0 Equipment tested to Category M amp N Explosion 9 0 Category X not tested Waterproofness 10 0 Category X not tested Fluids Susceptibility 11 0 Category X not tested Sand and Dust 12 0 Category X not tested Fungus 13 0 Category X not tested Salt Spray 14 0 Category X not tested Magnetic Effect 15 0 Equipment tested to Category Z Power input 16 0 Equipment tested to Category B Voltage Spike 17 0 Equipment tested to Category B Audio Frequency Susceptibility 18 0 Equipment tested to Category B Induced Frequency Susceptibility 19 0 Equipment tested to Category B Radio Frequency Susceptibility 20 0 Equipment tested to Category T Radio Frequency Emission 21 0 Equipment tested to Category B Lightning Induced Transient 22 0 Equipment tested to Category K Susceptibility Lightning Direct Effects 23 0 Category X not tested Icing 24 0 Category X not tested 200 780 0429 Appendix E Rev 5 FEB 2015
8. PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual music to continue uninterrupted by intercom or radio traffic when cockpit workload is appropriate Pushing the button again will release the mute inhibit function The passenger music source 2 can be placed in the Karaoke mode if a remote switch is installed in the aircraft See wiring information for details 3 7 Push to Talk Intercom Mode The PMA7000H has a push to talk intercom function available for the crew positions When the external PTT ICS enable switch is activated the pilot and copilot must use the remote ICS PTT switches to talk on the intercom Passenger intercom is normal 3 8 Telephone Mode The Com 3 mode can serve as a full duplex interface for telephone systems such as AirCell or portable cel lular phones with earpiece jacks if the installation is correctly configured When interfaced with an ap proved airborne telecommunications system the PMA7000H can serve as a audio control and distribution center Each intercom position has a hook switch The pilot s hook switch is the Com 3 button on the audio panel the others are discrete switches mounted adjacent to the headset jacks When Com 3 is active in the duplex mode the TX button will blink about twice as fast as the normal transmit rate When the intercom is in ALL mode the pilot can speak on the phone only if the Com 3 is selected for transmit Com 3 Xmt button
9. 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Section IV Warranty and Service 4 1 Warranty In order for the factory warranty to be valid the installations in a certified aircraft must be accomplished by an FAA or other ICAO agency certified avionics shop and authorized PS Engineering dealer If the unit 1s being installed by a non certified individual in an experimental aircraft a factory made intercom harness must be used for the warranty to be valid PS Engineering Inc warrants this product to be free from defect in material and workmanship for a period of two 2 years from the date of sale During the first twelve 12 months of the two year warranty period PS Engineering Inc at its option will send a replacement unit at our expense if the unit should be deter mined to be defective after consultation with a factory technician For the remaining twelve 12 months of the two year warranty period the unit must be returned to PS Engineering Inc or an authorized warranty service facility for no cost repair All transportation charges for returning the defective units are the responsibility of the purchaser All do mestic transportation charges for returning the exchange or repaired unit to the purchaser will be borne by PS Engineering Inc The risk of loss or damage to the product is borne by the party making the shipment unless the purchaser requests a specif
10. 3 6 3 Intercom Modes The lower switch on the left side is a 3 position mode switch that allows the pilot to tailor the intercom function to best meet the current cockpit situation The description of the intercom mode function is valid only when the unit is not in the Split mode Then the pilot and copilot intercom is controlled with the ICS button Iso Up Position The pilot is isolated from the intercom and is connected only to the aircraft radio sys tem He will hear the aircraft radio reception and sidetone during radio transmissions Copilot will hear passengers intercom and Entertainment 1 while passengers will hear copilot intercom and Entertainment 2 Neither will hear aircraft radio receptions or pilot transmissions ALL Middle Position All parties will hear the aircraft radio and intercom Crew will hear Entertainment 1 passengers will hear Entertainment 2 During any radio or intercom communications the music volume automatically decreases The music volume increases gradually back to the original level after communica tions have been completed CREW Down Position Pilot and copilot are connected on one intercom channel and have exclusive ac cess to the aircraft radios They may also listen to Entertainment 1 Passengers can continue to communi cate with themselves without interrupting the Crew and also may listen to Entertainment 2 Anytime the PMA7000H is in either the COM 1 Com 2 Com1 Com3 Split Mode the
11. APPENDIX D INSTRUCTIONS FOR FAA FORM 337 AND CONTINUING AIRWORTHINESS 8 1 INSTRUCTIONS FOR FAA FORM 337 AUDIO PANELS eee eee eee etos en oen sees etta setae esee esaet ease sense eese a a 8 2 INSTRUCTIONS FOR CONTINUING AIRWORTHINESS AUDIO SYSTEM sssesessessesesossescososseseoecosossesesoossesesoesescososseseose APPENDIX E RTCA DO160C EUROCAE ED 14 ENVIRONMENTAL QUALIFICATION FORM E Revision History o ololalel gt Rev Date Change New By GP 8 3 2006 New Release GP GP 1 28 2009 Updated for 10 place ALT ICS mode B 12 20 2010 Added enhanced CVR Version corrected 82 4 8 Unswitched input muting 12 21 2012 Removed 82 4 11 for AUX output use with off hook a 2 6 2007 Updated Graphics Mulan ala a aol hac 2 18 2015 Changed number of pins supplied 200 780 0429 Page ii Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual Section GENERAL INFORMATION 1 1 INTRODUCTION The PMA7000H represents the next step in cockpit audio control and intercommunications utility Using proprietary IntelliVoxO design this unit eliminates the requirements for intercom squelch adjustments The unit is designed for outstanding ergonomics and visually defined mode annunciation and selection Before installing and or using this product please read this manual
12. Eren stata sons tasa sins N 1 1 1 4 APPROVAL BASIS 1 2 1 5 SPECIFICATIONS s cccssssssssrssssrssssessssensesessenensescessssesseseseeseesensescessnssscssseesssneesessesessessesessessesees 1 2 1 6 EQUIPMENT SUPPLIED scccsssssssssssssssssessessssesssssesensescssesessceseneeseessseesseessessesessesseseesersesees 1 3 17 EQUIPMENT REQUIRED BUT NOT SUPPLIED cssssssssssssscsessecsssessescesessesessessssevsesseees 1 4 18 LICENSE REQUIREMENTS eoccocconosnonoonosconcononcsnosnoconconosacnaonosconcsnonaonoonoconconosacnnonoocnnononconoonosoonss 1 4 SECTION II INSTALLATION TEL es 21 GENERAL INFORMATION Dla SCOPE uote emt dol edu made a e ee 2 1 2 CERTIFICATION REQUIREMENTS cocccccononononononononononononononononononononononononononononononcnnanonanonenenos 2 1 2 2 UNPACKING AND PRELIMINARY INSPECTION eee ee ee ee eee en eee eo nest to seta sesto seta see en sete eae ee to cccneconoos 2 1 2 3 EQUIPMENT INSTALLATION PROCEDURES eee ee ee ee een nee en tos e setae eese tn ness seen esee ae ee eese eaae eese tn aee ta 2 1 2 3 1 COOLING REQUIREMENTS cccsscccconsscsscensceccoseescasctaconascoadacacenaaceccescsacacctaconasonasacase escesssecs 2 1 2 3 2 MOUNTING REQUIREMENTSS eee ener ene nn e a esse ese esses esee ese ese s e essa setas eie 2 1 2 3 3 AUDIO PANEL MOUNTING RACK INSTALLATION ccccccocononononononononononononinininininnninicininacoss 2
13. Intercom System Installation and Operator s Manual 2 4 3 3 Speaker Load The PMA7000H contains a speaker amplifier Some units with internal speaker amplifiers such as the King Radio KX170 require a resistive load to prevent damage if their speaker amplifier is not used Con nect the speaker output from the unit to the load input on the PMA7000H J1 pins 19 and L 16 and M The speaker load is 16 Q 3W 2 4 4 Com 3 Duplex TEL Function for Cell Phones As installed in the standard configuration the PMA7000H Com 3 function operates conventionally Push ing the Com 3 XMT button places the receive audio from Com 3 in the headset and applies the pilot or co pilot microphone to the Com 3 when the appropriate PTT is activated If J2 Pin J is connected to aircraft ground the PMA7000H is forced into Com 3 Duplex mode Copilot and passenger audio as selected by hook switches are provided to the COM 3 output the PTT for Com 3 is in active and audio from Com 3 is presented to the headset This allows a telephone like audio interface In this mode the COM 3 input and output is compatible with many cellular telephones utilizing the hands free headset interface A 1 8 jack can be installed on the aircraft panel which is interfaced with the PMA7000H as shown below To connect the cellular telephone to the jack wired in to COM 3 a patch cord is required This patch cord is available from PS Engineering under P N 425 006 2535 1 8 to 3 32
14. Panel and Intercom System Installation and Operator s Manual Table 3 1 Mic Muff Part Numbers Manufacturer Model Mic Muff Part Number Bose Dynamic 90010 Electret 90015 M87 Dynamic 90020 David Clark H10 30 90010 H10 20 H10 40 90015 H10 13 4 90015 Lightspeed 15K amp 20K 90015 Peltor 7003 90010 7004 90015 Pilot 11 20 amp 11 90 90015 Sennheiser 90015 Telex Airman 750 90015 AIR3000 90010 3 6 2 Intercom Volume Control The inner volume control knob adjusts the loudness of the intercom for the pilot and copilot It has no ef fect on selected radio levels music input levels or passengers volume level The outer volume control knob controls intercom volume or the passengers It has no effect on radio or music levels Adjust the radios and intercom volume for a comfortable listening level Most general aviation headsets today have built in volume controls therefore volume also can be further adjusted at the individual head set 3 6 2 1 Mono headsets in Stereo Installation All passenger headsets are connected in parallel Therefore if a monaural headset is plugged in to a PMA7000H Stereo installation one channel will be shorted Although no damage to the unit will occur all passengers will lose one channel unless they switch to the MONO mode on the headset PS Engineering modifies headsets to add stereo capability using high fidelity speakers Contact factory for details
15. activated If any passenger places his or her switch into the off hook position all passengers will also be heard on the phone All will hear selected audio Com audio is auto matically heard in the headsets The pilot and copilot will have transmit capability on the other selected transceiver Com or 2 simply by using their respective PTT switch In CREW mode the pilot and copilot are may use the telephone with their respective hook switch the pilot selects Com 3 on the Xmt selector Any passenger who places their switch into the off hook position will also have access to the phone and all passengers will hear the conversation In ISO intercom mode when the PMA7000H is in the Com 3 mode the pilot position is in the Phone Booth Only the pilot will hear the telephone and only he will be heard He will also have access to Com 1 or 2 and will transmit on that radio using the PTT All selected audio is provided If any other passenger goes off hook they will hear the phone Note Because the cellphone uses an intercom circuit all stations on that circuit will lose intercom capability when the cellphone is in use 3 9 Marker Beacon Operation The optional Marker Beacon Receiver uses visual and audio indicators to alert you when the aircraft passes over a 75 MHz transmitter The Blue lamp labeled O is the Outer Marker lamp and has an associated 400 Hertz dash tone The lamp and tone will be keyed at a rate
16. input devices Music 1 feeds the pilot and copilot positions They operate independently in the PMA7000H The volume control does not affect the music level While in the ISO Isolate mode the copilot will hear Entertainment while the four passengers will hear Entertainment 2 The pilot will hear entertainment 1 at a muted level In normal operation whenever a person speaks or if the aircraft radio becomes active the music will automatically mute and then will grad ually return to the original listening level when the intercom or radio conversation ceases When in the ALL mode pilot and copilot will hear Entertainment input while all passengers will hear the Entertainment 2 source While in the CREW mode pilot and copilot will hear entertainment input 1 while the passengers may listen to entertainment input 2 3 6 3 3 Soft Mute and Soft Mute inhibit The Soft Mute feature assures that the aircraft radio transmissions and other audio will not be missed due to entertainment playing When there is radio reception or intercom conversation the music level is dropped to a low or background level When the radio or intercom traffic ceases the level gradually returns to nor mal The front panel ICS switch controls muting of entertainment source 1 for pilot and copilot Pushing this button places the ICS in Karaoke or sing along mode which inhibits the soft mute feature This allows the 200 780 0429 Page 3 5 Rev 5 FEB 2015
17. near the mic selector is not blinking If the LED is blinking stop testing and troubleshoot the micro phone PTT installation 10 Verify proper transmit and receive operation from the copilot position noting that the copilot PTT switch allows proper transmission on the selected transceiver Verify that the Com 1 Xmt button blinks when transmitting 11 Verify that pushing the COM 2 button causes the button to illuminate and the Com 2 receiver to be heard Verify operation on Com from the pilot position 12 Repeat for Com 2 and standard Com 3 if installed 13 Press and hold the Com 1 Xmt button While holding the Com 1 button press the Com 2 Xmt button This places the unit in split Mode Verify that the pilot can transmit and receive on Com 1 while the copilot transmits and receives on Com 2 14 If the audio panel is installed with J2 pin J grounded it is configured for duplex operation on Com 3 Verify that the pilot headset is connected to the cellular telephone system if installed Verify that by using the pilot side PTT the pilot can transmit on the other selected radio Com 1 or Com 2 Verify that the Com 3 Xmt LED blinks at about twice the rate of com 1 to indicate a duplex mode The copi lot has radio transmit capability in Com3 duplex mode on the selected Com 1 or 2 However he will have Com 3 capability if the copilot hook switch is grounded 15 Verify proper operation of all receiver sources by selecting them
18. of two tones flashes per second when the aircraft is in the range of the Outer Marker Beacon The Amber lamp labeled M is the Middle Marker lamp and is coupled with a 1300 Hertz tone It is keyed alternately with short dot and long dash bursts at 95 combinations per minute The White lamp labeled I is the Inner marker and has a 3000 Hertz dot tone The lamp and tone will be keyed at a rate of six times per second The audio from the Marker Beacon Receiver can be heard by selecting the MKR push button switch To adjust the volume level there is a service adjustment located on the top of the unit A three position switch is used to set the receiver sensitivity and to test the indicator lamps Use HI sen sitivity initially This allows you to hear the outer marker beacon about a mile out Then select the LO sensitivity to give you a more accurate location of the Outer Marker The momentary down switch position is marker test labeled T M and illuminates all three lamps simultaneously to assure the lamps internal and external are in working order TST does not activate MM sense output 200 780 0429 Page 3 6 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Pressing the marker mode select down to T M will cause the marker audio to mute for that beacon The next beacon received will re activate the audio 200 780 0429 Page 3 7 Rev 5 FEB
19. the desired combination of XMT buttons For in stance to activate a Com 1 Com 2 split press and hold the Com 1 button and then press the Com 2 button while holding the Com 1 button This places the pilot on Com 1 and the Copilot on Com 2 Split mode for Com 3 is possible with pilot on Com 1 copilot on Com 2 or 3 if telephone is not enabled Pilot on Com 2 or Com 3 and Copilot on Com 1 is not possible Note 200 780 0429 Page 3 2 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Due to the nature of VHF communications signals and the size constraints in general aviation aircraft it is probable that there will be some bleed over in the Split mode particularly on adjacent frequencies PS Engineering makes no warranty about the suitability of Split Mode in all air craft conditions Note Split Mode does not turn off other Nav ADF etc selected audio to pilot However the copilot will only hear the selected communications receiver 3 5 1 Split Mode ICS In split mode the pilot and copilot are usually isolated from each other on the intercom simultaneously using their respective radios Depressing the ICS button in Split Mode will activate VOX intercom between the pilot and copilot positions This permits intercommunication when desired between the crew Pressing the ICS button again disables this crew intercom function 3 6 Inter
20. using the appropriate button The button illuminates to show which source is in use 16 Push the SPR button Verify that all selected audio is heard in the cockpit speaker Verify that the au dio mutes when the mic is keyed 17 Verify that the appropriate LED in the lower right side blinks when either push to talk is keyed 18 Verify proper Intercom system operation in the ALL ISO and CREW modes see Table 3 1 19 Verify that the audio selector panel system does not adversely affect any other aircraft system by sys tematically switching the unit on and off while monitoring the other avionics and electrical equipment on the aircraft 2 10 2 1 Marker Checkout 1 Connect a ramp generator at the antenna end of the marker coax With the unit under test in HI sensi tivity verify that a 160 uV modulated 95 with 1300 Hz signal will illuminate the amber M marker light and that marker audio is present in the headphones when the Marker Audio M push button has been depressed Select SPR for speaker to verify marker audio availability on the cabin speaker Verify that the white I and blue O lights will illuminate within 3dB of the amber lamp with 3000 HZ and 400 Hz applied respectively 2 Repeat with the unit in LOW sensitivity with 430 Volts applied 3 Connect the marker antenna and verify proper operation 2 10 3 Receiver Sensitivity Although the receiver meets FAA TSO C35d sensitivity specifications the sensitivity has bee
21. you obtain a Return Authorization Number ship product to PS Engineering Inc Attn Service Department 9800 Martel Rd Lenoir City TN 37772 865 988 9800 FAX 865 988 6619 Email support ps engineering com Units that arrive without an RMA number or telephone number for a responsible contact will be returned un repaired PS Engineering is not responsible for items sent via US Mail 200 780 0429 Page 4 1 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Appendix A PMA7000H Installation Drawing Cutout size for front mount installation 1 315 in 33 4 mm 6 31in 160 3 mm 6 65 in 167 mm Side View pal 3 0 60 in 15 25 mm 8 9 mm 3 00 in 76 2 mm lle 5 25 in e 0 8 in 133 4 mm 20 3 mm 6 28 in 159 5 mm ru n Rear View O e a e Weight 1 5 Ib with tray and connectors 68 kg Connector viewed from the rear ZYXWVUTS R PNMLK JHFEDCBA J2 top 222120 1918171615 1413 121110 9 8 7 6 5 4 3 2 1 Keying Pins ZYXWVUTSRPNMLKRHFEDCBA J1 bottom 2221201918171615 1413121110 9 8 7 65 43 2 1 200 780 0429 Appendix A Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Appendix B Bottom Connector Interconnect
22. 1 2 3 4 AUDIO PANEL TRAY AND CONNECTOR ASSEMBLY cccccccccccccececsesecceescececesecesscesesesueees 2 2 2 4 CABLE HARNESS WIRING cssssssssseccsssivscossnaseisossenicssscanscxadea dese sosscbnsedeosbsvsssanesssoscedassenssdaoensevusssseesessooss 2 2 DAL NOISE ovn iecore inm ere cere CO d ra cen cto 2 3 242 POWER nl a a a 2 3 2 4 3 AUDIO PANEL INTERFACE cccoccconononononononononononononononononononononononononononononononononononininininininaness 2 3 2 4 4 COM 3 DUPLEX TEL FUNCTION FOR CELL PHONES ccconooooonnncncononononononnconononnnnanonononnos 2 4 2435 TRANSMIT INTERLOGK 323 is a is 2 4 2 1 6 SWAP MODE ice 2 4 DAT BACKEIGHTING a Hv evt niei EL 2 5 DANS UNSWITCHED INPUTS 5 e EEEE AET E Pese pete O 2 5 2 49 2PA NIUTE JA PINS ES alado 2 5 2 4 10 PUBLIC ADDRESS FUNCTION J2 PIN 18 cccccecsccccccecessnsececceeececsesssssaeceeececesssaeaeeeeeees 2 5 2 4 TT CONTROL OUTPUT I2 PIN A er ii 2 5 2 4 12 COCKPIT VOICE RECORDER OUTPUT ccccccnccncncnoncnonononononononononinnnonnnnncnnnnnnnonononononininininoss 2 5 2 413 INTERCOM WIRING iter oo obs E rece teer e eere ree eee hr te venei de vertere Teese 2 5 2 5 MARKER BEACON INSTALLATION sessssacssossssesteonctscnsssesestusnsesenessoiestesssoiessnassesvesesesessssadessisesesenesesedss 2 7 2 5 1 MARKER ANTENNA INSTALLATION ccococonononononononononocononononononononononononononononononanininininininess 2 7 2 5 2 EXTERNAL MARKER LIGHTS ccococcconcncnononononononono
23. 2 Certification Requirements NOTE The PMA7000H requires specialized knowledge and tools for an effective installation An appropriately rated Certified Aircraft Repair Station or Aircraft Manufacturer must install this equipment in accordance with applicable regulations PS Engineering Incor porated warranty is not valid unless the equipment is installed by an authorized PS Engi neering Incorporated dealer Failure to follow any of the installation instructions or installation by a non certified in dividual or agency will void the warranty and may result in an unairworthy installation 2 2 Unpacking and Preliminary Inspection Use care when unpacking the equipment Inspect the units and parts supplied for visible signs of shipping damage Examine the unit for loose or broken buttons bent knobs etc Verify the correct quantity of com ponents supplied with the list in Section 1 6 B If any claim is to be made save the shipping material and contact the freight carrier Do NOT return units damaged in shipping to PS Engineering If the unit or ac cessories show any sign of external shipping damage contact PS Engineering to arrange for a replacement Under no circumstances attempt to install a damaged unit in an aircraft Equipment returned to PS Engi neering for any other reason should be shipped in the original PS Engineering packaging or other UPS approved packaging 2 3 Equipment Installation Procedures 2 3 4 Cooling Requir
24. 5 632 0038 6 32 Nut Flat 2 475 632 0003 6 32 Lock Nut 2 475 632 0004 Cable Clamp 1 625 001 0002 200 780 0429 Page 1 3 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual Description Quantity Part Number 6 32 x 4 Flat head Phillips screw 6 475 632 0012 6 32 Clip Nut 6 475 630 0002 Parts identification sheet 1 002 250 7028 1 7 EQUIPMENT REQUIRED BUT NOT SUPPLIED a Circuit Breaker 1 ea 3 amp PULL TYPE REQUIRED for PMA7000H b Speaker 4 Q c Headphone Jacks Stereo as Required d Microphone Jacks as Required e Headphones 150 Q Stereo up to 9 as required f Microphones up to 9 as required g Marker Antenna 75 MHz VSWR lt 1 1 5 and appropriate for the airspeed h Interconnect Wiring 1 8 LICENSE REQUIREMENTS None 200 780 0429 Page 1 4 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual Section Il Installation 2 1 GENERAL INFORMATION 2 1 1 SCOPE This section provides detailed installation and interconnection instructions for the PS Engineering PMA7000H Audio Selector Panel Intercom with internal Marker Beacon Please read this manual carefully before beginning any installation to prevent damage and post installation problems Installation of this equipment requires special tools and knowledge 2 1
25. S Engineering document 200 780 revision dated is placed in the aircraft records All work accomplished listed on Work Order 8 2 Instructions for Continuing Airworthiness Audio System Sample ICA Checklist for PS Engineering Audio System Section Item Information 1 Introduction Installation of audio control panel with integrated marker beacon receiver and intercommunications system 2 Description Installation as described in manufacturer s installation manual referenced on FAA Form 337 including interface with other avionics audio as required 3 Controls See installation and operator s guide referenced on FAA Form 337 4 Servicing None Required 5 Maintenance Instructions On Condition no special instructions 6 Troubleshooting In the event of a unit problem place the unit into off fail safe and or emergency mode This allows pilot communications using COM 1 Follow checkout instructions in the installation manual referenced on the FAA Form 337 For a specific unit fault contact the manufacturer at 865 988 9800 for special instructions 7 Removal and replacement infor Removal Using a 3 32 Allen head wrench carefully unscrew the locking mation screw located in the center of the unit While turning the wrench CCW gently pull on the EDGES of the bezel until the unit is free from the mounting tray Installation Engage the locking screw at the ba
26. UDIO SELECTOR ALE MODELS sssisessissactscsosesacsssesssnsacoavtassdnesesceesesessadssnocesnsesdsoascavscseeseveosesesseaesess 3 2 3 4 1 SPEAKER AMPLIFIER 23 42 KEY AAA A TAN 3 5 SPLIT AAA NN 3 5 1 SPLIT MODE ICS ere beet tese le dece ek t ipee tete Res se 3 6 INTERCOM OPERATION e cies co ees oa da on eaae v soe e eU ra lee so onda urea CoU ivo a Eae V pe eh oe Uva s ao sa Ua deceso ana aee E VE Se EU ea ean 3 6 1 INTELLIVOX amp VOX SQUELCH sirenek eenia AEA RAE AANEREN 3 3 3 6 2 INTERCOM VOLUME CONTROL o e naaa a a a aa Ra aae aaant 3 4 30 3 INTERCOM MODES iii dai aa E le so ki EEE di 3 7 PUSH TO TALK INTERCOM MODE 3 8 TELEPHONE MODE 6 cississssssssssessasecssoossessscasesavensssassescesasoasognssensdovssenadensisessenseesscasscnssuescnsessssensescesoeas 3 9 MARKER BEACON OPERATION sesseseessesessoesessosessosssesocsoesessosseocossesoesessossoesessossesoessesossossessssosssossesose SECTION IV WARRANTY AND SERVICE ssscsssssssssssssscsssscessccsnscssssccsnscssssscnsssssssscsscsssssees 4 1 LN WARRANTY A cdescuvecessocdeseesesseasevunesdvescececshsesdusssecessdavecdssuasessessbeccduseisesss 4 1 4 2 FACTORY SERVICE ccssssscscssssscessscccesssccccsseccecssccecees M 4 1 APPENDIX A PMA7000H INSTALLATION DRAWING APPENDIX B BOTTOM CONNECTOR INTERCONNECT APPENDIX C TOP CONNECTOR INTERCONNECT eee ene ea en eo rara tn so tatnen a totns a eta so sossosccsecses
27. allations and a three 3 Amp breaker for 28 VDC aircraft Power and ground wires should be a twisted 18 AWG pair Connect airframe power ground to J1 bottom connector Pin Z only No dropping resistors are required 2 4 3 Audio Panel interface The PMA7000H is designed to interface with standard aircraft avionics and presents a 500Q receiver im pedance For best results a twisted shielded cable is recommended from the avionics audio source to the audio panel with the shield grounded at the audio panel end Some avionics do not provide a separate audio low and may introduce additional electrical noise into the system For best results connect the audio low from the audio panel to the radio ground using one conduc tor of the twisted shielded cable 2 4 3 1 Fail Safe Audio When the audio panel is off or power is removed the pilot s right headphone will have the COM 1 audio and the Unswitched Audio 1 J1 17 It is imperative that Pin 3 J1 bottom connector be connected to pilot s headphone tip contact 2 4 3 2 Headphone Audio Output The PMA7000H supports seven passengers plus 2 crew The passengers headphone outputs are provided on two amplifier outputs in J2 top connector passengers 1 3 5 and 7 are connected to 12 left 11 right WRT N Passengers 2 4 and 6 should be connected to 19 left 17 right also WRT N 200 780 0429 Page 2 3 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and
28. and Intercom System Installation and Operator s Manual Appendix D Instructions for FAA Form 337 and continuing air worthiness Instructions for FAA Form 337 Audio Panels One method of airworthiness approval is through an FAA Form 337 Major Repair and Alteration Airframe Powerplant Pro peller or Appliance In the case of the PMA7000H you may use the following text as a guide Installed audio selector and 6 place intercom PS Engineering PMA7000H part number 7000 X in location at sta tion Installed per AC43 13 2 Chapter 2 paragraph 23 Instrument Panel Mounting Installed per PS Engineering Installation Operators Manual p n 200 780 XXXX revision dated These units are FAA Approved under TSO C50c for audio amplifiers and or TSO C35d for Marker Beacon Receivers and meets appropriate environmental qualifications outlined in RTCA DO 160D as appropriate or this aircraft Interface to existing aircraft radios in accordance with installation manual and in compliance with practices listed in AC43 13 2 Chapter 2 All wires are Mil Spec 22759 or 27500 Connection to aircraft dimmer bus is Power is supplied to the unit through a 3A circuit breaker type and part number and total electrical load does not exceed of the electrical system capacity with the PMA7000H added Aircraft equipment list weights and balance amended Compass compensation checked A copy of the operation instruc tions contained in P
29. ble 9 Copilot Mic PTT K Copilot Mic Audio Lo 10 Swap L Copilot off hook 11 Pass Headphone R M PASS off hook 200 780 0429 Page 2 9 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual Pin Function Pin Function 12 Pass Headphone L N__ Pass Headphone Audio Lo 13 Ent 2 Input Rt P Pass 6 Mic Hi 14 Ent 2 Input L R Ent 2 Audio Lo 15 Ent 1 Input Rt S Pass 7 Mic Hi 16 Ent 1 Input L T WjEnt1 Audio Lo 17 ALT Pass HP Right U Pass 8 Mic Hi 18 PA Activate V Mute 2 19 ALT Pass Phones Left W ICS PTT Enable 20 Pilot CVR Output X Pilot ICS PTT 21 Copilot CVR Output Y Copilot ICS PTT 22 CVR Audio Lo Z CS PTT Ground Table 2 2 PMA7000H J2 Top Connector Pin Assignments bold type indicates special pins for PMA7000H 2 9 Post Installation Checkout After wiring is complete verify power is ONLY on pin 20 of the J1 bottom connector and airframe ground on bottom connector pin Z Failure to do so will cause serious internal damage and void PS Engi neering s warranty 2 10 Unit Installation To install the PMA7000H gently slide the unit into the mounting rack until the hold down screw is en gaged While applying gentle pressure to the face of the unit tighten the 3 32 hex head in the center of the unit until 1t is secure DO NOT OVER TIGHTEN Warning Do not ov
30. can switch between Com 1 and 2 by depressing this switch without having to turn the mic selector switch This yoke mounted switch eliminates the need to remove your hands from the yoke to change transceivers The transfer of TX indication from Com 1 to Com 2 shows that the swap has been initiated there is no dedicated swap indicator 200 780 0429 Page 2 4 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 2 4 7 Backlighting The PMA7000H has an automatic dimming of the pushbutton annunciator LEDs and marker lamps con trolled by a photocell Control of the unit backlighting is through the aircraft avionics dimmer Connect the dimmer control line to J1 pin D for 14 volt systems and to J1 pin F for 28 volt systems Pin E is light ground If an external dimmer control is not used a constant low level back light illumination can be established for nighttime viewing Pin D or F depending on system voltage must be tied to power J1 pin 20 for the back lighting system to work The photocell mounted in the unit face will automatically adjust the intensity of the push button annunciator LEDs 2 4 8 Unswitched Inputs J1 pins T 17 U and X are unswitched unmuted inputs These inputs are presented to the pilot and copilot regardless of the audio configuration and will mute the entertainment inputs unless the PMA7000H has the SoftMute inhibited with the ICS button
31. ceiver audio is selected through seven momentary push button backlit switches You will always hear the audio from the transceiver that is selected for transmit The users can identify which receivers are selected by noting which of the green switch LEDs are illumi nated Push buttons labeled Nav 1 Nav 2 MKR Marker ADF DME AUX auxiliary and SPR Speaker are momentary type switches When one of these buttons is pressed be active and the LED will illuminate Press the switch again and it be in the off position and remove that receiver from the au dio 3 4 1 Speaker Amplifier The SPR in the push button section stands for speaker This switch will place all selected audio on the cockpit speaker when this switch is selected NOTE Except for the unswitched audio the speaker amplifier is not active in the Split Mode Unswitched audio autopilot disconnect altimeter warning etc will come through the speaker regardless of the speaker button position 3 4 1 1 Public Address Function To access PA function a switch is installed to connect the top connector pin 18 to ground This places the pilot microphone on the speaker output Pin W when the PTT is pushed The copilot can continue to use the selected com radio We recommend that the switch transfer the audio from the cockpit speaker to a cabin speaker for public address This will prevent feedback 3 5 Split Mode The split mode can be activated at any time by pressing
32. ck Turn the locking screw CW while applying slight pressure to the edges of the bezel Do not over tighten 8 Diagrams Not applicable 9 Special Inspection Requirements Not Applicable 10 Protective Treatments Not Applicable 11 Structural Data Not Applicable 12 Special Tools None 13 Not Applicable Not Applicable 14 Recommended Overhaul Periods None 15 Airworthiness Limitations Not Applicable 16 Revision To be determined by installer 200 780 0429 Appendix D Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Appendix E RTCA DO160C EUROCAE ED 14 Environmental Quali fication Form Audio Selector Panel Intercom Marker Beacon Receiver Part Number 7000 FAA TSO Number C50c C35d Class A JTSO 2C35d and JTSO C50c Manufacturer PS Engineering Incorporated 9800 Martel Road Lenoir City TN 37772 Conditions Section Conducted Tests Temperature and Altitude 4 0 Equipment tested to CAT Al amp D1 Low Temperature 4 5 1 55 C Survival 15 C Low Operating A1 High Temperature 4 5 2 85 C Survival 70 C High Short Time Operating In flight Loss of Cooling 4 5 4 Not Applicable no cooling required Altitude 4 6 1 50 000 unpressurized D1 Decompression 4 6 2 Not Applicable Overpressure 4 6 3 Not Applicable Temperature variation 5 2 Equipment tested to Category C
33. com Operation 3 6 1 IntelliVox VOX Squelch No adjustment of the IntelliVox amp squelch control is necessary There is no field adjustment Through three individual signal processors the ambient noise appearing in all six microphones is constantly being sam pled Non voice signals are blocked When someone speaks only their microphone circuit opens placing their voice on the intercom The system is designed to block continuous tones therefore people humming or whistling in monotone may be blocked after a few moments For consistent performance any headset microphone must be placed within inch of your lips preferably against them ref RTCA DO 214 1 3 1 1 a 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 IntelliVox8 to open momentarily This is normal The ntelliVox amp is designed to work with normal aircraft cabin noise levels 80 dB and above It loves airplane noise Therefore it may not recognize speech and clip syllables in a quiet cabin such as in the hangar or without the engine running This is normal For optimum microphone performance PS Engineering recommends installation of a Microphone Muff Kit from Oregon Aero 1 800 888 6910 This will not only optimize VOX performance but will improve the overall clarity of all your communications 200 780 0429 Page 3 3 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector
34. completely This will ensure that you will take full advantage of all the advanced features in the PMA7000H 1 2 SCOPE This manual provides detailed installation and operation instructions for the PS Engineering PMA7000H of Audio Selector Panel Intercom Systems This includes the following units Model Description Part Number PMA7000H Stereo Audio Selector Panel with Marker Beacon 7000H PMA7000H Same as PMA7000H with enhanced Cockpit 7000H CVR Voice Recorder output 1 3 EQUIPMENT DESCRIPTION The PMA7000H is an audio isolation amplifier audio selector that contains a 10 place 9 places in units with serial number starting with A Serial Number B and above have 10 places automatic voice acti vated VOX intercom system It can switch up to three transceivers Com 1 Com 2 and Com 3 and six receivers Nav 1 Nav 2 ADF DME MKR and AUX A duplex COM 3 mode selectable at installation allows the PMA7000H to act as an audio interface be tween aircraft headphone and microphones and specific aircraft approved FAA FCC cellular telephone equipment Warning Use of non aviation approved cellular telephone equipment in flight may be prohibited by regulation PS Engineering is not responsible for unauthorized airborne use of cellular telephones For airborne use the PMA7000H must be interfaced with an approved system There are four unswitched inputs available for traffic or EGPWS autopil
35. ction Pin Function 200 780 0429 Page 2 8 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual Pin Function Pin Function 1 Audio GND A MKR Ant lo 2 MM Sense B__MKR Ant hi 3 Pilot Phones Rt C White Lamp out 4 Amber Lamp Out D Lighting 14V 5 Blue Lamp Out E Lighting lo 6 DME Audio F Lighting 28V 7 No Connect H__Com 2 Mic Audio 8 Pilot Mic Audio Hi J_ Com 3 Audio Hi 9 Com 1 Audio Hi K Com 3 Mic Audio 10 Com 2 Audio Hi L Com 1 load 11 AUX Audio In M Com 2 load 12 Nav 1 Audio Hi N__ No Connect 13 Nav 2 Audio Hi P__ Com 1 Mic Audio 14 Alternate Intercom Mode R_ Com 1 Mic Key 15 Com 3 Mic Key S ADF1 Audio Hi 16 Com 2 load T Unswitched audio in 1 17 Unswitched audio in 2 U JUnswitched 3 18 PA Mute V_ Com 2 Mic key 19 Com 1 load W Cockpit Speaker 20 Aircraft Power X Unswitched 4 21 Marker Audio Hi Y Pilot Mic Key 22 Speaker Headphone lo Z A C Ground Table 2 1 PMA7000H J1 Bottom Connector Pin Assignments Pin Function Pin Function 1 Pilot Phones Left A AUX Control 2 Copilot Phones L B Copilot Phones Lo 3 Copilot Phones Rt C Pass 5 Mic Hi 4 PASS 1 Mic Hi D PASS 1 MicLo 5 PASS 2 Mic Hi E PASS 2 Mic Lo 6 PASS 3 Mic Hi F PASS3 Mic Lo 7 PASS 4 Mic Hi H JPASSA Mic Lo 8 Copilot Mic Audio Hi J__ Duplex Ena
36. d at times when radio communications are of lesser importance See section 2 4 14 for alternative connection 2 4 13 4 Alternate Intercom Mode Units above Serial Number Starting with B When the PMA7000H is toggled into Alternate Intercom Mode using a switch connected to Bottom Connector Pin 14 is grounded the passengers will NOT hear aircraft radios even in the all mode They will be able to converse with the crew However when the aircraft radio becomes active the intercom audio from the passengers is muted allowing the crew to focus on the radio 2 5 Marker Beacon Installation The marker beacon receiver is an option included in the PMA7000H 2 5 1 Marker Antenna Installation A marker beacon antenna appropriate to the type and speed of the aircraft is required not included Refer to aircraft and antenna manufacturer s installation instructions as well as AC43 13 2B or later revision Chapter 3 for information on proper antenna installation techniques The marker beacon antenna must be mounted on the bottom of the aircraft 2 5 2 External Marker Lights For installations that require external marker beacon lights there are three outputs that can drive 12 Volt lamps only The external output lamps are driven high typically 9 VDC 1 5 VDC unloaded at MAX brightness when active Maximum source current per lamp is 125 mA Voltage varies with photocell dimming 2 5 3 Middle Marker Sense A Middle Marker Sense ou
37. djacent and or the antennas are physically close together PS Engineering makes no expressed or implied warranties regarding the suitability of the PMA7000H in Split Mode 2 7 1 Hook Switches While the Com 3 button acts as the hook switch for the pilot additional hook switches must be installed to have full access to the cellphone system The copilot hook switch is a SPST switch that connects pin L of J2 on the PMA7000H to ground to place the copilot mic audio on the Com 3 audio in duplex mode for cell phone operation PMA7000H J2 pin M is the passenger hook switch Install a SPST switch in a location adjacent to each passenger headset where cellphone use is desired When pin M is connected to ground through any switch the passenger microphones are all on the Com 3 duplex system The hook switches are not active or required unless the audio panel is in Com 3 Duplex mode with pin J J2 grounded The wireless communication tel system utilizes an intercom loop Therefore any time the cellphone is in use from the pilot or copilot side pilot and copilot will lose intercom capability In the ALL mode when the passengers activate the cell phone the pilots will have intercom and continue to hear and transmit over the avionics normally However the passengers will not have intercom because they are on the telephone See section 2 4 14 for alternative connection for the hook switches 28 PMA7000H Pin assignments Pin Fun
38. el mounted volume knobs and 3 position mode switch The concentric volume controls the intercom 200 780 0429 Page 1 1 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual level for the pilot and copilot while the outer knob controls the passenger intercom volume Intercom squelch is automatic A 3 light Marker Beacon receiver is integrated in the PMA7000H This provides the necessary Marker Beacon lights and audio indications necessary for an Instrument Landing System ILS approach 1 4 APPROVAL BASIS TSO Approval The PMA7000H Audio Selector Panels are FAA approved under TSO C50c Audio Amplifiers and TSO C35d Marker Beacon Receivers In addition they are approved by the Joint Airworthiness Authorities under JTSO C50C and JAR TSO 2C35d All systems comply with relevant portions of EUROCAE RTCA MPS WG No 7 70 DO 143 and Marker Beacon Receivers ED 14C DO 160C Environmental Conditions and Test Procedures for Airborne Equipment ED12B DO 178B Software Considerations for Airborne Equipment and ED 18 DO 214 Audio Systems Characteristics and Minimum Operational Performance Standards for Aircraft Audio Sys tems Operation is subject to the following conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired opera tion 1 5 SPECIFICATIONS
39. ements Forced air cooling of the PMA7000H is not required However the units should be kept away from heat producing sources i e defrost or heater ducts dropping resistors heat producing avionics without ade quate cooling air provided 2 3 2 Mounting Requirements The PMA7000H must be rigidly mounted to the instrument panel of the aircraft structure and within view and reach of the pilot position s Installation must comply with FAA Advisory Circular AC 43 13 2A The unit may be mounted in any area where adequate clearance for the unit and associated wiring bundle exist Avoid installing the unit close to high current devices or systems with high voltage pulse type outputs such as DME or transponders Avoid running the interconnecting bundles near any high current wires 2 3 3 Audio Panel Mounting Rack Installation Remove the unit from the mounting tray by unscrewing the 3 32 hex head screw that is in the center of the unit Use caution to avoid hitting the photo detector lens Carefully slide the unit free of the tray Set the unit aside in a safe location until needed Install the tray using six clip nuts 475 630 0002 and six FHP 6 32 x 12 screws 475 632 0012 The audio selector panel must be supported at front and rear of the mounting tray 200 780 0429 Page 2 1 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 2 3 4 Audio Panel Tray and C
40. er Karaoke Mode by connecting to pin V of the J2 2 4 12 Cockpit Voice Recorder Output Top connector J2 Pin 20 is the pilot CVR output and Pin 21 is the copilot CVR output WRT Pin 22 These contain the audio from selected radio and crew microphones regardless of the intercom VOX or volume level In the enhanced version the audio contains the selected radio audio intercom audio and sidetone in transmit and crew mic audio is derived from ICS instead of from the direct microphone pick up 2 4 13 Intercom wiring The top connector J2 is for the intercom and additional functions See Appendix for intercom connection configurations It is critical to the proper operation of this system to have this connector wiring made in accordance with these diagrams Use 2 and 3 conductor MIL spec cable as shown Connect the shields at the audio panel end only and tie to the audio low inputs as shown 200 780 0429 Page 2 5 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 2 4 13 1 Intercom Microphone Wiring The PMA7000H is a 9 place intercom system supporting seven passengers Passengers through 4 have individual mic audio high and low connections on J2 Passengers 5 6 and 7 have mic audio high inputs however the mic audio low connections are combined with Passenger 4 mic on J2 Pin H See Appendix D 2 4 13 2 Push to Talk Intercom The PMA7000H contains a
41. er tighten the lock down screw while installing the unit in tray Internal damage will result 2 10 1 Required Test Equipment In order to return an aircraft to service after installation of the PMA7000H the installer must have access to a Marker Beacon signal generator a IFR NAV401L NAV402AP IFR4000 b TIC T 30D T 36C Equivalent test equipment is acceptable as long as the testing requirements can be met 2 10 2 Operational Checkout NOTE The JntelliVox is designed for ambient noise levels of 80 dB or above Therefore some clipping may occur in a quiet cabin such as without the engine running in a hangar This is normal 1 Apply power to the aircraft and avionics 2 Plug headsets into the pilot copilot and occupied passenger positions 3 Verify fail safe operation by receiving and transmitting on com 1 from the pilot position with the au dio panel power off The Com audio will be present in the right ear cup only Verify that unswitched audio is present in right ear cup 5 Switch on the unit by pressing the volume VOL knob 6 Check intercom operation 200 780 0429 Page 2 10 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 7 Check intercom Push to talk operation 8 Push the Com 1 Xmt select button lower row 9 Verify that both of the Com 1 buttons light Verify that transmit button LED Light Emitting Diode
42. gh Hook Switch Pilot board to hear radio re A C Radio A C Radio Copilot access through TEL switch ception as well as com Passengers Passengers A C Radio All hear telephone audio if municate on the inter Entertainment 1 Crew Pilot Copilot A C Radio Entertainment 1 Entertainment 1 Copilot Pilot A C Radio Entertainment 1 off hook com Music and intercom is muted during intercom and radio communica tions Entertainment 2 Passengers Entertainment 2 Pilot and copilot don t have phone access unless mic sel in TEL Passengers have phone through Hook Switch Passengers hear pilot and copilot to con centrate on flying while the passengers can communicate amongst This mode allows the phone audio themselves Altemate Pilot Pilot Passengers All have access to phone This mode allows the Intercom Copilot Copilot Pilot through Hook Switch Pilot crew to hear radio recep Mode A C Radio A C Radio Copilot access through TEL switch tion but not bother the Passengers when Passengers when Entertainment 2 All hear telephone audio if passengers as well as radio silent radio silent off hook communicate on the Entertainment 1 All Pilot Copilot Entertainment 1 intercom Passenger mics are removed from the crew audio when the radios are active Table 3 2 Intercom Modes 3 6 3 2 Entertainment Input The audio selector panel has provisions for two separate entertainment
43. ic method of shipment In this case the purchaser assumes the risk of loss This warranty is not transferable Any implied warranties expire at the expiration date of this warranty PS Engineering SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES This warranty does not cover a defect that has resulted from improper handling storage or preservation or un reasonable use or maintenance as determined by us This warranty is void if there is any attempt to dissem ble this product without factory authorization This warranty gives you specific legal rights and you may also have other rights which may vary from state to state Some states do not allow the exclusion of limita tion of incidental or consequential damages so the above limitation or exclusions may not apply to you All items repaired or replaced under this warranty are warranted for the remainder of the original warranty period PS Engineering Inc reserves the rights to make modifications or improvements to the product without obligation to perform like modifications or improvements to previously manufactured products 4 2 Factory Service The units are covered by a two year limited warranty See warranty information Call PS Engineering Inc at 865 988 9800 before you return any unit This will allow the service technician to provide any other suggestions for identifying the problem and recommend possible solutions After discussing the problem with the technician and
44. inment Muting The PMA7000H system incorporates a Soft Mute system This will mute the entertainment devices dur ing ICS or radio conversation Any signal appearing in the unswitched audio inputs will mute the entertainment 1 amp 2 sources when the intercom is in the ALL mode even though the passengers may not hear the audio tone itself Going to the ISOLATE or CREW mode will alleviate the passenger s music from muting Caution Local oscillators and internal signals from entertainment equipment can cause undesired interfer ence with other aircraft systems Before takeoff operate the entertainment devices to determine if there is any adverse effect within the aircraft systems If any unusual operation is noted in flight immediately switch off the entertainment devices All entertainment devices must be switched off for both takeoff and landing 200 780 0429 Page 2 6 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 2 4 13 3 2 Entertainment 2 Mute Pin V The ICS button on the PMA7000H controls the muting Karaoke mode of entertainment source 1 Connecting J2 pin V to ground through a SPST switch places the entertainment 2 music source into the Karaoke Mode In this mode incoming music and intercom conversation will not mute the music for the passengers intercom net This allows uninterrupted music during casual conversation an
45. is turned on and off by pushing the volume knob In the OFF or EMG position the pilot is connected directly to Com 1 and to the critical unswitched input This allows communication capability regardless of unit condition Any time power is removed or turned OFF the audio selector will be placed in the fail safe mode The power switch also controls the audio selector panel functions intercom and marker beacon receiver 3 3 Microphone XMT Selection All models There are six pushbuttons associated with the communications transceivers The lower buttons control which transceiver is selected for transmit The PMA7000H gives priority to the pilot s PTT If the copilot it transmitting and the pilot presses his PTT the pilot s microphone will be heard over the selected com transmitter The PMA7000H has an automatic selector mode Audio from the selected transceiver is automatically heard in the headsets and speaker if selected You can check this function by switching from CoM 1 to CoM 2 and watch the selected audio light on the selector change from COM 1 to COM 2 This ensures the pilot will always hear the audio from the transceiver he is transmitting on When switching from COM 1 to COM 2 while COM 2 audio had been selected Com 1 audio will continue to be heard This eliminates the pilot having to switch Com 1 audio back on if desired 200 780 0429 Page 3 1 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and In
46. m Positions 10 places with individual IntelliVox circuits Music Inputs 2 Independent Stereo Music Muting gt 30 dB Soft Mute when Com or intercom active Distortion lt 1 THD 38 mW into 1500 Mic Freq Response 3 dB 300 Hz 6000 Hz Music Freq Response 3 dB 20 Hz 18kHz MARKER BEACON RECEIVER if equipped Frequency 75 MHz Crystal Controlled Sensitivity Capable of preset at factory for field application Low 1000 n Volts Hard 360 to 570 uV soft High 200 1 Volts Hard 130 to 200 uV soft Selectivity 6 dB at 10 kHz 40 dB at 120 kHz External Lamp Output 7 5 4 VDC unloaded at maximum brightness VDC positive when active max current 125 mA MM Sense Active high 4 5 1 0VDC 1 6 EQUIPMENT SUPPLIED 1 ea of the following units Model Description Part Number PMA7000H PMA7000H Audio Panel with Marker Beacon and Stereo inter 7000H com PMA7000H Same as PMA7000H with enhanced Cockpit Voice Recorder 7000H CVR output PMA7000H Installation Kit 250 007 0002 Description Quantity Part Number PMA7000 installation rack assembly 120 430 0420 1 Top Molex Connector Shell w key 44 pin key 4 5 1 120 425 4402 1 Bottom Molex Connector Shell w key 44 pin key 7 8 120 425 4400 Gold Plated Crimp Pins 78 425 001 0002 4 40 X 7 16 screw w nylon patch 4 475 440 0007 Grounding bar 1 430 007 0001 6 32 X 3 4 pan head Phillips screw 2 47
47. n adjusted to meet real world requirements 150uV and 430uV soft This will usually eliminate the need for the avion ics shop to reduce the sensitivity in the field so as to prevent early detection of the marker beacons If your particular installation requires more or less sensitivity see adjustment section 2 6 and figure 2 1 2 11 Cellular Interface Checkout When a wireless telecommunication system is installed and the unit configured for duplex a dial tone will appear in the headset of the pilot when the COM 3 Xmt selector activated In ALL intercom mode a dial tone will be heard whenever the copilot or passenger s hook switch is closed 200 780 0429 Page 2 11 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual 2 12 Final Inspection Verify that the wiring is bundled away from all controls and no part of the installation interferes with air craft control operation Move all controls through their full range while examining the installation to see that no mechanical interference exists Verify that the cables are secured to the aircraft structure in accord ance with good practices with adequate strain relief Ensure that there are no kinks or sharp bends in the cables and coaxial cables Verify that the cables are not exposed to any sharp edges or rough surfaces and that all contact points are protected from abrasion Complete logbook entry and o
48. ne n A Ms A 7000H Finals Speaker anolo Interconnect MKR Ant MM Sense Outpul 1 1 ene D ig Ground Y V7 Bottom Connector E e RN Cy IAs Com3 Audio D 1 COM S Mic Input Audio Lo Gy 3 32 Cellular Jack 28 Volt Lights Hi B A F ALT ICS Mode 14 V Lights Hi D For Duplex cell phone operation Enable See Note 7 Lights Lo E Pin J of top connector MUST BE GROUNDED See Note 14 This is a typical interconnect PA Mute Trigger 18 PS Engineering does not guarantee oss 14 compatability in all cases 11 33 VDC 20 3A Breaker See Note 4 9 See Note 4 9 Ground Lug 4 T ui Airframe Ground Z 200 780 0429 Appendix B Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Appendix C Top Connector Interconnect PMA70Q0H J2 TOP CONNECTOR dn 1 1 y gt Pilot Phones L see bottom connector 2 Copilot Phones 11 ev Copilot PhonesJack 3 y Copilot Phones R Hye A B Copilot Phones Lo LVA A 12 Ors Phones L Pass 1 11 _ Pass Phones R PhonesJack N ass Phones Lo U 19 Alt Pass Phones L Notes 2 4 17 Alt Pass Phones RJ
49. nononononononononononononononononononononininincnnnnnanoss 2 7 2 5 3 MIDDLE MARKER SENSE ccococococonononononcnonononononononononononononononononononononononononnnnncncncncnccninin nos 2 7 P MEE iX Legs co seias 2 7 2 7 COMMUNICATIONS ANTENNA INSTALLATION NOTES eee ee ees seen eese eo soto sesto seen sese soe esten ee 2 8 27 1 HOOK SWITCHES s eeHGceneoaoneneiiteg ada sia 2 8 2 8 PMAT000H PIN ASSIGNMENTS cscsssssecsssssecscssssncotecsenesescsbecsnscsoecsvasobaensisoseedeessicebecsnsonbdensscusdbnassedesses 2 8 29 POST INSTALLATION CHECKOUT vessisscssssssnsscnsoiscsnscovecnnscobasdecssonssenssdbetssseseecdenicndeonssonbeseaisvtosessecsses 2 10 2 10 UNIT INSTALLATION ERE 2 10 2 10 1 REQUIRED TEST EQUIPMENT ronnan a a TE E E E EN 2 10 2 10 2 OPERATIONAL CHECKOUT a E a a a aa aa ese ss a a E aeiae 2 10 2 10 3 RECBIVER SENSITIVITY E ERETT e cete ee iet eei E eet 2 11 2 11 CELLULAR INTERFACE CHECKOUT seen toos oon secos tno torso ran eese PE serbe eror rebns noies ors o osassa rsss iotas nd 2 11 2 12 FINAL D 20 04 ECOL 2 12 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual SECTION SHE ORERA TION A NN Beda SCORE E DE 3 2 POWER SWITCH EMG FAIL SAFE OPERATION 3 3 MICROPHONE XMT SELECTION ALL MODELS 3 3 1 SWAP MODE SWITCH FROM COM 1 TO COM 2 REMOTEL Y oocccccnnonononnnoncnnonananononnnncononanos 3 2 3 4 A
50. o conform to MIL 22750 or 27500 15 Ent 1 Audio P e Ent 1 Input and must be shielded as shown 7 Passenger hook switches to be located at positions T Ent 1 Audio Lo Y where phone acess is desired Grounding of any switch Note 8 causes all passengers to be heard on the cellphone 14 8 Music inputs are independent Connect together to use Ent 2 Audio L a single source for both inputs 13m Ent 2 Audio R He Ent 2 Input For music distribution information see Section 3 6 3 1 i 9 Reserved 4 n R Y Ent 2 Audio Lo y 10 When Pin Jis grounded the audio panel is in Com 3 uplex mode This is used to interface with Satellite or cellular phone dupl de This i d to interf ith Satelli llular phi 11 When pin 18 is switched to ground the PA mode is activated RAG lacing pilot microphone on speaker output when PTT active 18 PAActive Note 11 p See Sect 2 5 13 10 Swap Ll Swap L e Swi F witch Copilot hook switch V ee 4 Ent 2 Mute Note 7 M He Passenger Hook Switches W HPF ICs Enable w a X Pilot ICS PTT e e 5 Note 3 LT Ent 42 Input Y Copilot ICS PTT 29 i T Alternate Music Interconnect See Note 8 20 Pilot CVR output 21 Copilot CVR output Note 5 CVR Audio Lo 22 200 780 0429 Appendix C Rev 5 FEB 2015 8 1 PS Engineering PMA7000H Audio Selector Panel
51. omag netic Interference EMI filters on all inputs and outputs Ground loop noise occurs when there are two or more ground paths for the same signal i e airframe and ground return wire Large power loads such as strobes inverters etc can inject noise signals onto the airframe that are detected by the audio system Follow the wiring diagram very carefully to help ensure a minimum of ground loop potential Use only Mil Spec shielded wires MIL C 275000 or better Under no circumstances combine a microphone and headphone wiring into the same shielded bundle Always use a 2 or 3 conductor shield wire as shown on the installation wiring diagram Radiated signals can be a factor when low level microphone signals are bundled with current carrying power wires Keep these cables physically separated It is very important that you use insulated washers to isolate the ground return path from the airframe to all headphone and microphone jacks Adding a high performance audio control system particularly in conjunction with high performance active noise canceling headsets cannot improve on older avionics that were designed for cabin speaker use PS Engineering makes no claim that the audio panel will provide a noise free audio quality under all installa tion conditions particularly with older avionics 2 4 2 Power The PMA7000H are compatible with both 14 and 28 Volt DC systems A two 2 Amp circuit breaker is required for 14 VDC inst
52. onnector Assembly The unit connectors mate directly with the circuit boards in the PMA7000H The connectors are a Molex crimp type and require the use of a Molex hand crimp tool EDP P N 11 01 0203 CR6115B or equiv The connectors are mounted to the unit tray with 4 40 screws 475 440 0007 from the inside of the tray Ensure that proper strain relief and chafing precautions are made during wiring and installation using the cable clamp 625 001 0002 Secure the ground bar 430 007 0001 if desired using 6 32 nuts 475 632 0003 and 6 32 lock nuts 475 632 0004 625 001 NE T pf 2000000000000000000 E 475 632 0004 2 e dis 415 632 0003 2 120 430 0420 d 475 630 0002 6 LOS 632 0012 6 H a a 475 632 0038 2 a 20 425 4400 n 45440 0007 4 POLARIZING KEY SHOWN IN POSITION IN BOTTOM CONNECTOR BETWEEN PINS 7 AND 8 po o 420 425 4402 POLARIZING KEY SHOWN IN POSITION IN TOP CONNECTOR BETWEEN PINS 4 AND 5 Figure 2 1 Audio Panel Tray Assembly Drawing 2 4 Cable Harness Wiring Referring to the appropriate Appendix assemble a wiring harness as required for the installation All wires must be MIL SPEC in accordance with current regulations Two and three conductor shielded wire must be used where indicated and be MIL C 27500 or equivalent specification Proper stripping shielding and soldering technique must be used at all times It is imperative that correct wire be used
53. ot disconnect and or radar altime ter warning Push buttons select the receiver audio source provided to the headphones A SPR button allows the user to listen to the receiver s selected on the cabin speaker Except for the unswitched inputs all speaker audio is muted during transmit Push button switches select one of the communication transceivers for the pilot and copilot position and allows radio transmission In Split Mode the PMA7000H has the ability to allow the pilot and copilot to operate different transceivers independently The Com 3 TEL mode selected at installation allows the pilot to use the audio panel for duplex operation such as with aviation specific cellular telephones Exter nal switches permit telephone operation for the copilot and passengers A fail safe mode connects the pilot headphone and microphone to COM 1 and unswitched input 1 if pow er is removed for any reason or if the power switch is placed in the Off Fail safe position A 9 station voice activated VOX intercom is included in the PMA7000H This system has PS Engineer ing s exclusive IntelliVox circuitry that eliminates manual adjustments The system contains nine separate VOX mic circuits and only opens the microphone channel in use The intercom system incorporates pilot isolate and crew modes two independent stereo music inputs with Soft Mute and flashing LED indicators for transmit indications Intercom control is through two front pan
54. pilot and copilot intercom is controlled with the ICS button The passengers will maintain intercommunications but never hear aircraft radios 200 780 0429 Page 3 4 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual 3 6 3 1 Alternate Intercom Mode Serial Number beginning with letter B and above When the PMA7000H is toggled into Alternate Intercom Mode using a switch connected to Bottom Connector Pin 14 is grounded the passengers will NOT hear aircraft radios even in the all mode They will be able to converse with the crew However when the aircraft radio becomes active the intercom audio from the passengers is muted allowing the crew to focus on the radio Mode Pilot Hears Copilot Hears Passenger Hears Telephone Comments Isolate A C Radios Copilot and passenger Passenger and Copilot Phone Booth mode This mode allows the Pilot Sidetone intercom intercom Pilot has exclusive use of pilot to communicate during radio transmis Entertainment 1 Entertainment 2 the telephone without the others both sion In TEL Pilot amp Copilot con ered by the conversa Entertainment 1 is nected to Com 1 for PTT TX tions Copilot and pas Muted and receive Others hear Tel sengers can continue to if off hook communicate and listen to music Copilot Passengers All have access to phone This mode allows all on Pilot Pilot throu
55. push to talk intercom that can be used to enable intercom in cases where the ambient noise makes VOX operation impractical The PTT ICS Mode is enabled by grounding J2 Pin W through a normally open SPST switch This will prevent the IntelliVOX from opening The pilot microphone will be placed on the intercom when J2 Pin X is connected to ground through a mo mentary normally open switch The copilot microphone will be placed on the intercom when J2 Pin Y is connected to ground through a momentary normally open switch 2 4 13 3 Entertainment Input The PMA7000H has two INDEPENDENT music inputs Entertainment input number 1 is J2 pins 15 left channel and 16 right channel WRT pin T and is provided to the pilot and copilot Entertainment number 2 is provided to the passengers at all times Entertainment 1 and 2 must be connected together in order for all positions to hear the same music source We recommend installing a DPDT switch to allow isolation of the music sources if desired 16 A e V 15 H B l l e NM Ent 1 Input T HU Q D O 14 Py 13 O A Ent 2 Input O R i L Y Alternate Music Interconnect NOTE Use the low level output of any additional entertainment device to connect to the audio panel Maximum signal level is 2 VAC p p DO NOT use a speaker level output this will cause internal damage in the audio panel 2 4 13 3 1 Enterta
56. see 3 6 3 3 These 510 inputs can be used for altimeter DH audio GPS waypoint audio autopilot disconnect tones or any other critical audio signal This input is not related to the cellular telephone interface NOTE These inputs are fixed 1 1 and any audio level adjust ments must be made at the input source 2 4 9 PA Mute J1 Pin 18 Pin 18 of J1 is a TTL logic output that is pulled low during PTT operation This serves as an input to exter nal public address system to prevent feedback during transmissions 2 4 10 Public Address Function J2 Pin 18 By connecting the top connector J2 Pin 18 to ground the pilot s microphone audio is placed on the cabin speaker output When the pilot s PTT is activated his voice is heard over the speaker The copilot can con tinue to use the selected com We recommend installing a toggle switch to connect the cabin speaker output pin W bottom connector to a rear or public address speaker instead of the cockpit speaker close to the pilot This will prevent feedback 2 4 11 Control Output J2 Pin A Pin A of the top connector is pulled to ground whenever the AUX button is depressed This serves as a con trol line for external devices such as a entertainment system that the pilot wishes to control This could be used in conjunction with a PA to control J2 Pin 18 as well as an external relay to change to the cabin speaker from the cockpit This pin can also be used to control passeng
57. tercom System Installation and Operator s Manual When switching from COM 1 to COM 2 while Com 2 has NOT been selected Com 1 audio will be switched off In essence switching the mic selector will not effect the selection of Com receiver audio When the duplex enable or TELEPHONE mode is implemented during installation Com 3 becomes the TEL position This is the pilot s hook switch when the system is interfaced to an appropriate approved wireless telecommunication system such as the AirCell system Selecting Com 3 for transmit places the pilot microphone and headphones on the cellphone The pilot PTT will switch the pilot mic to the other selected com transceiver and allow continued aircraft communications to continue The copilot will also be able to transmit on the other selected radio with his PTT as well NOTE Placing the mic selector switch in the COM 3 TEL mode will disable pilot and copilot intercom as the intercom circuit is transferred to the telephone use In crew or ISO mode placing the switch in TEL mode removes the passengers access to the telephone 3 3 1 Swap Mode Switch from Com 1 to Com 2 remotely With a yoke mounted momentary switch the pilot can change from the current Com transceiver to the other by depressing this switch To cancel Swap Mode the pilot may either press the yoke mounted switch again or select a different Com with the XMT buttons 3 4 Audio Selector All models Re
58. ther documentation as required such as FAA Form 337 weight and balance computation Sample text for FAA Form 337 and instructions for continuing airworthiness can be found in Appendix F Return completed warranty registration application to PS Engineering or register online at www ps engineering com support shtml 200 780 0429 Page 2 12 Rev 5 FEB 2015 PS Engineering PMA7000H Audio Selector Panel and Intercom System Installation and Operator s Manual Section Ill OPERATION GENERAL INFORMATION 3 1 SCOPE This section provides detailed operating instructions for the PS Engineering PMA7000H Audio Selector Panel Intercom Systems Please read it carefully before using the equipment so that you can take full ad vantage of its capabilities This section is divided into four sections covering the basic operating areas of the PMA7000H systems They are Audio Selector Transceiver Selection Intercom and Marker Beacon Receiver Marker version only RECEIVE AUDIO SELECTORS MARKERINDICATOR LAMPS N VORHER MODE SS LEE PETERS SS High Ss 3 Ya LI e tow Com1 Com2 fey Com36w nav 1 e Dre ovre C Comi y Coma yy Cag3 MKR ICS E od SPRE ENGINGERINA V 29 INCORPORATED PMA7000 INTERCOM MODE CREW ICS cs TRANSMIT SELECTORS MUSIC MUTE I CREWICS VOLUME INNER CONT SOL E SS PASS ICS VOLUME OUTER Figure 3 1 PMA7000H controls 3 2 Power Switch EMG Fail Safe Operation Unit power
59. tput signal is available from the 7000B to flight control systems This function will not operate during the test mode This output will go to 4 5 VDC 1 0 VDC when a valid Middle Marker signal is received This output is J1 pin 2 2 6 Adjustments The PMA7000H is factory adjusted to accommodate the typical requirements for most aircraft configura tions There are five adjustments however that will allow the installer to tailor the specific functions 200 780 0429 Page 2 7 Rev 5 FEB 2015 PS Engineering PMA7000H Series Audio Selector Panel and Intercom System Installation and Operator s Manual CW Increase Marker Overall Gain CW Reduce MKR Low Sense a CW Decrease Sens O PMA7000H adjustment holes O Z Marker Adjustment e e Speaker Adjustment f O Not used Y o O Speaker Volume e a Marker Audio CW Decrease Volume Figure 2 3 PMA7000H Adjustments 2 7 Communications Antenna Installation Notes For best results while in Split Mode it is recommended that the one VHF communications antenna is locat ed on top of the aircraft while the other communications antenna is installed on the bottom Any antenna relocation must be accomplished in accordance with AC 43 13 2A aircraft manufacturers recommenda tions and FAA approved technical data Warning Itis probable that radio interference will occur in the split mode when the frequencies of the two air craft radios are a
60. witch or PTT Audio applied to Pin T is JC Navi Audio Hi 12 heard in pilor right headphone in Fail safe VHF Nav 1 Foor nav Audio Lo 31 4 11 All shielded wires must be MIL 22750 or 27500 EA T 12 Connect pilot headphone L to top connector Pin 1 VHF Nave ER Nw Audo hi fA 1 443 using 3 conductor wire UU Neve hudlorre 1 13 Key pin between pin 7 and 8 14 Applying ground to Pin 14 places the unit in Alternate Intercom Mode See Secti n 13 4 C io Hi ADF Receiver Ct ADE Audio Hi I S x DME Receiver DME Audio lo 1 14 9 nS a AUX Audio Aux Audet ip cn _A Unswitched Audio 1 Unswitched Input 1 Hi T1 T YA Unswitched Audio Lo v 7 A a i T 8 Unswitched Audio 2 EE AA O Input Ar 17 o z Unswitched Input 3 Hi U 3 Unswitched Audio 3 1 7 Unswitched Audio Lo Unswitched Audio 4 Usulitched Input 4 H 11 X Iu y H Pilot Mic Audio uL 8 Ale Pilot Mic PTT L4 Y s e Pilot Mic Lo WH Pilot PTT vt i lot Phones L Pilot Phones R A 3 gt To Pin 1 Pilot Phones li a BT Top Conn Speaker Hi See Note 3 Speaker Li L O ate M 22 See Note 12 E Ext Marker Lamp White NWhite Lamp Output lt C 1 8 cell jack e 2 amp Ext Marker Lamp Blue Ble Lamp Output 5 o X S lular Plu Ext Marker Lamp Amber _____ Amber Lamp _ 4 a vum Cellular Pho

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