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9800 Martel Road

Lenoir City, TN 37772

www.ps-engineering.com

PAC45J

Audio Controller System

with MultiTalker® and IntelliVox®

Document P/N 200-045-2000

November 2020

Audio Control System with Intercom

System Installation and Operation Manual

FAA - TSO C139a

Patented under one or more of the following;

No. 4,941,187; 5,903,227; 6,160,496 and 6,493,450, 7,391,877

PS Engineering, Inc. 2020 ©

Copyright Notice

Any reproduction or retransmittal of this publication, or any portion thereof, without the expressed written permission of PS En-
gineering, 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 [email protected]

.

In certified aircraft, warranty is not valid unless this product is installed by an

Authorized PS Engineering dealer.

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Summary of Contents for PAC45A

Page 1: ...6 160 496 and 6 493 450 7 391 877 PS Engineering Inc 2020 Copyright Notice Any reproduction or retransmittal of this publication or any portion thereof without the expressed written permission of PS En gineering 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 contact ps engineer...

Page 2: ...4 2 4 5 UNSWITCHED INPUTS 2 4 2 4 6 COCKPIT VOICE RECORDER 2 4 2 4 7 SPEAKER OUTPUTS 2 4 2 4 8 AUDIO ALERTS 2 5 2 4 9 CTL45J WIRING 2 5 2 5 DISCRETE INPUTS 2 6 2 5 1 REMOTE ICS MODE CONTROL J452 45 2 6 2 5 1 OXY P453 26 2 6 2 5 2 RECEIVE MUTE J452 44 2 6 2 5 3 REMOTE ALERT ACKNOWLEDGE AND ALERT PROGRAMMING P453 23 2 6 2 5 4 BACKLIGHT ADJUSTMENT 2 6 2 6 WIRED TELEPHONE SATELLITE COMMUNICATION INPUT...

Page 3: ...NE MODE 3 5 3 8 3 MUSIC MUTING CONTROL 3 5 3 9 WIRED SATCOM CELL PHONE INPUT 3 6 3 10 ALERT AUDIO 3 6 3 10 1 STORING ALERT AUDIO 3 6 Section IV Warranty and Service 4 1 4 1 WARRANTY 4 1 4 2 FACTORY SERVICE 4 1 Appendix A PAC45J Installation Drawings A Appendix B Radio Interconnect Wiring B Appendix C Intercom Interconnect Wiring C Appendix D Control Head Interconnect Wiring D Appendix E Unit Conne...

Page 4: ...and processing 050 045 1001 CTL45J Panel Mounted Control Head for Flight Crew Black 050 445 XXXX CTL45J NVG Panel Mounted Control Head for Flight Crew Night Vision Compatible Black 050 446 XXXX CTL45J Panel Mounted Control Head for Flight Crew Gray 050 447 XXXX CTL45J NVG Panel Mounted Control Head for Flight Crew Night Vision Compatible Gray 050 448 XXXX 1 3 EQUIPMENT DESCRIPTION The PAC45J is a ...

Page 5: ...SPECIFICATIONS TSO COMPLIANCE Audio Selector Intercom FAA TSO C139A APPLICABLE DOCUMENTS RTCA DO 214A RTCA DO 160G RTCA DO 178C Temperature Range Operating Short Term Operating Survival HUB45AR 45 C to 55 C 45 C to 71 C 55 C to 85 C CTL45J 20 C to 55 C 40 C to 70 C 55 C to 85 C Altitude Up to 55 000 feet in a non pressurized area of the cockpit DIMENSIONS CTL45J Height 2 62 in 6 65cm Width 4 90 in...

Page 6: ...ector Kit 250 045 8377 P452 P454 Part Number Description MFR MFR PN Quantity 625 015 1503 Connector Back shell DB26 pin Harting 09 70 015 0343 1 625 037 3703 Connector Back shell DB62 pin Harting 09 67 037 0343 1 425 026 5601 Male Sub D Connector Shell DB26 pin Harting 95 62 005 601 1 425 062 8177 Male Sub D Connector Shell DB62 pin Harting 95 64 005 601 1 425 044 2043 Hi density Male Pins AMP 204...

Page 7: ...sch M39029 63 368 9 External Bluetooth Antenna Part Number Description MFR MFR PN Quantity 300 045 1351 Bluetooth Coaxial Cable SMA ST BH JK to ST Plug RG 174 U 36 Amphenol 135110 02 36 1 510 045 9602 Bluetooth Antenna Taoglas GW 26 0112 HT 1 EQUIPMENT REQUIRED BUT NOT SUPPLIED a Circuit Breakers 1 ea 5 amp PULL TYPE REQUIRED for HUB45AR 1 A for CTL45Js b Optional Circuit Breakers 1 ea 1 amp PULL ...

Page 8: ...45AR and up to four CTL45J or a com bination of CTL45A Control Heads building blocks to facilitate flexibility as well as simplicity HUB45AR Pilot Copilot Passenger 1 RS422 RS422 RS422 RS422 Hand Observer 1 Crew 3 Observer 2 Passenger 2 Passenger 3 Passenger 4 CVR CP PA COM1 8 NAV 1 2 Aux 3 8 UNSW1 5 Telephone Music Bluetooth Telephone Bluetooth Music CVR P Pilot Copilot Amp Figure 1 1 Baseline co...

Page 9: ... November 2020 1 9 LICENSE REQUIREMENTS None Hub Pilot EFIS INTERFACE COM1 8 Copilot EFIS INTERFACE Observer 1 Control Head Observer 2 Control Head Passenger 2 Passenger 3 Passenger 1 RS422 RS422 RS422 RS422 Hand NAV 1 2 Marker1 2 ADF1 2 DME1 2 UNSW 1 5 Telephone CVR O2 CVR O1 CVR CP CVR P PA Cockpit Pilot O2 Copilot O2 ...

Page 10: ...packing 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 1 6 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 accessories ...

Page 11: ...ult in improper operation electrical noise or unit failure Damage caused by improper installation will void the PS Engineering warranty See Appendix C and D 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 co...

Page 12: ... SWAP any components with power applied this may damage the units 2 4 2 1 Alert power P451 Pin 41 The PAC45J has an independent alert system with the ability to play alerts even when the audio controller is powered off To take full advantage of this isolation a separate one 1 Amp circuit breaker is required Power should be 22AWG connect power to P451 Pin 41 When power to P451 42 is present the mes...

Page 13: ...S audio or any other critical audio signal Unswitched 1 is always presented to the crew headphones and is available to the pilot in fail safe off mode Unswitched 2 is presented to the copilot in fail safe Unswitched Input Input Pins Hear in Fail Safe Hear in Headset 1 P452 55 WRT 15 Pilot Pilot Copilot 2 P452 35 WRT 16 Copilot Copilot 3 P452 56 WRT 17 No Pilot Copilot 4 P452 36 WRT 18 No Pilot Cop...

Page 14: ...Intercom Call 9 P453 22 Check Engine Instruments Alert Power P451 41 Remote Acknowledge P453 23 The alert triggers can be configured to be Active High 4 5 VDC or Active Low 0 5 VDC and trigger at the leading edge transition or by the voltage level See 2 5 3 for configuration options Alerts with edge triggers will play continuously until the Acknowledge button ACK is pressed remote ACK P454 23 grou...

Page 15: ...he Green LED intensity Adjustment Pot 15 changes the White LED intensity See Set switches 47 48 ON for dimmer 28V Set switch 47 OFF 48 ON for 14V dimmer Set switches 47 48 OFF for 5VDC dimmer See 2 7 3 for locations By default adjustments to the pot change the minimum trip point for the dimmer input to full bright The pot permits adjustment from 0V to nominal dimmer voltage 28V or 5V depending on ...

Page 16: ...pots 1 Unswitched input 5 volume J452 57 2 Unswitched input 4 volume J452 36 3 Unswitched input 3 volume J452 56 4 Unswitched input 2 volume J452 35 5 Unswitched input 1 volume J452 55 6 Speaker Amplifier Volume J452 41 7 PA Amplifier Volume J452 42 8 Copilot and observer speaker output if configured and satcom telephone output volume J452 38 9 Cockpit Voice Recorder Volume J452 60 61 10 External ...

Page 17: ...200 045 2000 Page 2 8 November 2020 15 White LED backlight level 2 7 3 Logic Switch Options The PAC45J has switches accessible through the side of the HUB45AR to set specific functions Switch functions and positions as shipped from the factory The color coding denotes similar groups of functonality ...

Page 18: ...E ON LEVEL OFF 33 PAX 3 4 OBSVR 02 MICS OFF 10 ALERT 3 POLARITY POS ON NEG OFF 34 COM 7 COM 8 Au dio COM 1 COM 2 SIDETONE OFF 11 ALERT 4 TRIGGER EDGE ON LEVEL OFF 35 PA SIDETONE OFF 12 ALERT 4 POLARITY POS ON NEG OFF 36 UNSW 1 2 SPLIT OFF 13 ALERT 5 TRIGGER EDGE ON LEVEL OFF 37 UNSW OBSVR ON 14 ALERT 5 POLARITY POS ON NEG OFF 38 STEREO OBSVR ON 15 ALERT 6 TRIGGER EDGE ON LEVEL OFF 39 STEREO CREW O...

Page 19: ...L HEAD INSTALLED OBSERVER 1 CONTROL HEAD IN USE NO OBSERVER CONTROL HEAD 27 OBSVR 2 CONTROL HEAD INSTALLED OBSERVER 2 CONTROL HEAD IN USE NO OBSERVER 2 CONTROL HEAD 28 REVERSIONARY MODE SEE 2 7 4 1 USER STATIONS REVERT TO OTHER CONTROL HEADS WHEN FAILED USER STATIONS IN FAILSAFE WHEN FAILED 29 TRANSMIT MUTE COM RECEIVE AUDIO MUTES FOR ALL HEADSETS TRANSMITTING WHEN ANY TX PTT IS PRESSED COM TX IS ...

Page 20: ...S ACTIVE CREW POSITIONS ARE MONO LEFT OUTPUT 40 8Ω HEADSETS AUDIO OUTPUTS COMPATIBLE WITH LOW IMPEDANCE HEADPHONES AUDIO OUTPUTS COMPATIBLE WITH HIGH IMPEDANCE 150Ω TO 300Ω HEADPHONES 41 RECEIVER INDICATION INDICATOR BLINKS WHEN AUDIO SIGNAL IS PRESENT ON A SELECTED RECEIVER NO RECEIVER INDICATION 42 MUSIC MUTE MUSIC WILL MUTE WHEN RADIO OR INTERCOM IS ACTIVE MUSIC MUTES ONLY WHEN RADIO IS ACTIVE ...

Page 21: ... Bottom Logic Switches In the PAC45J System the DIP switches located on the bottom of the HUB45 is configured from the fac tory Position 1 2 3 4 5 6 Switch J7 ON ON ON OFF OFF OFF J8 OFF OFF OFF ON ON ON If it is necessary to check or set these switches remove the foil covers Figure 2 2 LOGIC SWITCH Locations Figure 2 3 LOGIC SWITCH LOCATIONS PAC45J ...

Page 22: ...EXPANSION INPUT 4 RESERVED N A DEFAULT 5 RESERVED N A DEFAULT 6 EXPANSION EXPANSION UNIT IN SYSTEM NO EXPANSION NOTE An additonal switch must be selected to utilize these Hand Mics Contact PS Engineering for information J8 SWITCH NUMBER FUNCTION ON OFF 1 RESERVED DEFAULT N A 2 RESERVED DEFAULT N A 3 COPILOT FAILSAFE COPILOT HEARS NAV 2 NO FAILSAFE NAV AUDIO 4 PILOT FAILSAFE PILOT HEARS NAV 1 NO FA...

Page 23: ...s ON other receivers are muted during transmission This can prevent bleed over and squealing if they are operating on close frequencies or the antennas are close together However it prevents other crew members from hearing radios they have selected for receiving during transmissions Sidetone from the transmitter is still heard when selected 2 7 6 2 Stuck Mic P T T Enable When Switch 30 is ON the P...

Page 24: ...itch 37 is OFF the observer positions will NOT hear unswitched audio This mode selection depends upon the role of the mission observers in the operation of the aircraft 2 7 9 Headphone Options 2 7 9 1 Stereo or Mono When Switch 38 is ON the observer 1 and 2 positions will receive stereo audio P451 37 left ear P451 58 Right ear When Switch 38 is OFF the observer 1 and 2 positions will receive monau...

Page 25: ...ert audio messages will be presented to the cockpit speaker When Switch 46 is OFF the internal audio alert audio messages never be heard over the cockpit speaker 2 7 13 Backlight Dimmer Voltage Switches 47 and 48 control the backlight dimming input expected for the purpose of adjusting the curve For 28 VDC backlighting both Switches 47 and 48 are ON For 14 VDC backlighting Switch 47 is OFF and 48 ...

Page 26: ... 8 or COM2 Sidetone 35 Pilot Left Mono Headset 35 UNSW2 36 Copilot Left Mono Headset 36 UNSW4 37 Observer 1 Left Mono Headset 37 PA Sidetone 38 Passenger 1 Observer 2 Left Mono Headset 38 Telephone Out 39 Passenger 2 3 Left Mono Headset 39 CVR Observer 1 or Observer 1 Speaker Output 40 Passenger 4 5 Left Mono Headset 40 CVR Observer 2 or Copilot Speaker Output 41 Alert Power 41 Speaker Pilot 42 Ai...

Page 27: ...r Observer 2 O2 Mic 18 Passenger 1 ICS PTT 19 Alert 6 19 TX Copilot 20 Alert 7 20 TX Copilot 21 Alert 8 21 RX Copilot 22 Alert 9 22 RX Copilot 23 Alert Ack and message programming 23 Observer 2 ICS PTT 24 No Connect 24 Observer 1 ICS PTT 25 Pilot Com Swap 25 Copilot ICS PTT 26 Oxygen Mask Enable 26 Pilot ICS PTT J455 HUB45AR P455 CTL45J Pin Description Pin Description 1 RX 1 TX 2 RX 2 TX 3 TX 3 RX...

Page 28: ...erify fail safe operation by receiving and transmitting on COM 1 from the pilot position with the audio controller power off EMG mode XMT Selector fully CW 3 Switch on the unit by turning the XMT select knob to the full CCW position COM 1 4 Verify that the COM 1 legend in both the XMT and RCV change to green Verify that transmit indicator is not flashing green If the LED is flashing green stop tes...

Page 29: ...ooth Checkout Verify that the PAC45J will pair with a Bluetooth device and interface with cellular phone and Music source See 3 7 2 for more information If PAC45J is not connecting resetting the Bluetooth memory might be required Hold down HRTF ICS buttons for 3 seconds until there is a chime in pilot headset Bluetooth ID name will be PAC45A 2 10 3 1 Bluetooth TEL Checkout Pair the PAC45J with a B...

Page 30: ...G or OFF fully clock wise position the pilot headset is connected directly to COM 1 as well as alerts and unswitched input 1 This allows communication capability regardless of unit condition The power controls all audio selector panel functions and intercom 3 3 Communications Transmit XMT Selection The PAC45J has a rotary control knob to select communications transceiver functions To select a tran...

Page 31: ...udio are not spatially processed only the eight communications transceivers NOTE You must use stereo headsets in stereo mode for this feature This adjustment allows the eight Spatial Audio inputs to be relocated on any of nine 9 pre defined Head Related Transfer Function HTRF locations MultiTalker places the communications receiver audio in one of nine apparent locations in the crew s headset This...

Page 32: ...al signal processors the ambient noise appearing in all microphones is constantly being sampled 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 microphon...

Page 33: ...e or select ISO mode 3 6 3 1 Intercom Operation If four control heads are used the following rules apply System defaults to ALL at power up Any panel can select ISO and be removed from the intercom Either pilot or copilot panel can select CRW and place both panels in Crew mode Either pilot or copilot panel can select ALL and add everybody to the intercom The Observer 1 and Observer 2 panels can le...

Page 34: ...ircraft must be turned off Answering or placing a call is done from the mobile phone Once con nected the audio is routed through the headset s by selecting the TEL button For a single CTL45J installation In ALL intercom mode all crew and passengers will be heard on the phone when they speak In CREW mode the pilot and copilot are connected to the telephone In ISO intercom mode when the PAC45J is in...

Page 35: ...e Doorbell Chime Ring Tone Timer at Zero Intercom Call and Check Engine Instruments 3 9 1 Storing Alert Audio The PAC45J systems can store nine audio alerts You must record all nine when the unit is in audio pro gram mode You cannot change only one at a time If you wish to replace just one message we recommend you write down all the messages before starting the procedure To record messages from th...

Page 36: ...e 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 unrea sonable use or maintenance as determined by us This warranty is void...

Page 37: ...PAC45J Audio Selector Panel and Intercom System Installation and Operator s Manual 200 045 2000 Appendix A November 2020 Appendix A PAC45J Installation Drawings Figure 5 1 CTL45J Front View Figure 5 2 CTL45J Top View ...

Page 38: ...and Intercom System Installation and Operator s Manual 200 045 2000 Appendix A November 2020 Figure 5 3 HUB45AR Top View P451 P453 J454 J452 1 21 22 43 62 42 1 21 22 43 62 42 1 9 19 26 10 18 19 26 10 18 1 9 Figure 5 4 HUB45AR Rear Connector View ...

Page 39: ...ering PAC45J Audio Selector Panel and Intercom System Installation and Operator s Manual 200 045 2000 Appendix A November 2020 J455 Figure 5 5 HUB4A5R Front View Figure 5 6 HUB45AR Side Views BLUETOOTH ANT CONN ...

Page 40: ...c Audio Hi Com 3 Mic Low Com 4 Mic Key Com 4 Mic Audio Hi Com 4 Mic Low Com 4 Audio Hi Com 4 Audio Low Com 5 Audio Hi Com 5 Mic Key Com 5 Lo Com 5 Mic Audio Hi Com 5 Mic Low Com 6 Mic Key Com 6 Mic Audio Hi Com 6 Mic Low Com 6 Audio Hi Com 6 Audio Low Com 7 Audio Hi Com 7 Mic Key Com 7 Lo Com 7 Mic Audio Hi Com 7 Mic Low Com 8 Mic Key Com 8 Mic Audio Hi Com 8 Mic Low Com 8 Audio Hi Com 8 Audio Low...

Page 41: ... PAX 3ICS PTT P454 OBS 2ICS PTT OBS 1ICS PTT PILOTICS PT T 15 16 17 18 23 24 25 26 COPILOTICS PT T 15 6 16 7 17 8 18 9 PAX 2ICS PTT PAX 1ICS PTT P452 2 6 P AS S5 M IC H I P AS S5 M IC LO CO NN EC TTO A NY CO NV EN IEN TA U DIO LO W 35 56 PILOT PHN AUD HI L MONO PHONEAUDLO OBS 1 PHN AUD HI R OBS 2 PHN AUD R HI 14 PILOT PHN AUD HI R 36 57 COPILOT PHN AUD HI L MONO PHONEAUDLO 15 COPILOT PHN AUD HI R ...

Page 42: ...ECTION POWER AIRCRAFT GND NO CONNECTION 1 2 3 4 5 6 7 8 9 P454 21 22 19 20 9 COPILOT J455 PAC45 HUB45R LRU RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND NO CONNECTION AIRCRAFT POWER AIRCRAFT GND NO CONNECTION 1 2 3 4 5 6 7 8 9 OBSR 1 J455 1 2 3 4 5 6 7 8 9 12 13 10 11 8 RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND NO CONNCTION POWER AIRCRAFT GND NO CONNECTION OBSR2 1 2 3 4 5 6 7 8 9 3...

Page 43: ...G HUB LRU RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND 1 2 3 4 5 6 7 8 9 P454 21 22 19 20 9 PAC45 HUB LRU RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND OBSR 1 J455 1 2 3 4 5 6 7 8 9 12 13 10 11 8 RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND POWER AIRCRAFT GND NO CONNECTION OBSR2 3 4 1 2 9 RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND COPILOT EFIS INTERFACE POWER GROUND NO...

Page 44: ...NO PHONEAUD LO 16 38 59 OBS2PHNAUDHI L MONO PHONEAUD LO 17 PAX 2PHONE AUD R HI 39 60 PAX 2PHONE AUD HI L MONO PHONEAUD LO 17 PAX 4PHONE AUD R HI 40 61 PAX 4PHONE AUD HI L MONO PHONEAUD LO 18 FEMALE ON HARNESS 28VDC ACRFTPOWER POWER GROUND MIC LO COM 1 MIC KEY COM 1 MIC AUDIO LO COM 2 MIC AUDIO HI COM 2 MIC KEY COM 2 MIC AUDIO LO COM 3 MIC AUDIO HI COM 3 MIC KEY COM 3 MIC AUDIO LO COM 4 MIC AUDIO H...

Page 45: ...Lo COM5 31 9 Com 6 Audio Hi Com 6 Audio Low 32 10 COM6 Com 7 Audio Hi Com 7 Audio Lo COM7 33 11 Com 8 Audio Hi Com 8 Audio Low 34 12 COM8 AUX 4 Audio Hi Audio Lo AUX 5 Audio Hi Audio Lo AUX 6 Audio Hi Audio Lo AUX 7 Audio Hi Audio Lo AUX 8 Audio Hi Audio Lo 57 19 Unswitched Input 5 Hi Unswitched Audio Lo TEL Audio Hi TEL Key 58 59 38 TEL TEL Audio Lo TEL MIC Hi 23 43 2 Music Input Left Music Input...

Page 46: ...COPILOT O2 MIC LO PASS 3 MIC HI PASS 3 MIC LO PASS 4 MIC HI PASS 4 MIC LO GROUND GROUND GROUND GROUND GROUND COPILOT HAND MIC KEY SWAP OBS HAND MIC KEY O2 MASK ENABLE ALERT 6 ALERT 7 ALERT 8 ALERT 9 10 11 12 13 14 15 6 16 7 17 8 18 9 19 20 21 22 23 24 25 26 ALERT PGM ACK 9 4 J454 Connections P 45 4M A LEO NH A R N E S S C O P ILO T C TL45 A O B S E R V E R1 C TL4 5A P ILO T O R O B S E R V E R2 C ...

Page 47: ...IS S E R IA L IN TE R FA C E PILOT AN D OBSVR 2 C ON N ECTION S C AN BE R EVER SED SEE SECT 2 C O P ILO TE FIS S E R IA L IN TE R FA C E 9 5 J455 Connections P455 MALE ON HARNESS 1 2 3 4 5 6 7 8 9 J455 FEMALE ON HARNESS OBS 2 OR PILOT CTL45 HEAD PAC45A HUB45A LRU RX RS422 TX RX RS422 TX TX RS422 RX TX RS422 RX GND 1 2 3 4 5 6 7 8 9 PILOT AND OBSVR 2 CONNECTIONS CAN BE REVERSED SEE SECT 2 7 14 POWE...

Page 48: ...Audio System Sample ICA Checklist for PS Engineering PAC45J Audio System Section Item Information 1 Introduction Installation of audio control panel with intercommunications system with inte grated audio alert system 2 Description Installation as described in manufacturer s installation manual referenced on in stallation documentation FAA Form 337 etc including interface with other avionics audio ...

Page 49: ...ategory B Humidity 6 0 Equipment tested to Category A Shock 7 0 Equipment tested to Category B Standard opera tional shock and crash safety Vibration 8 0 Equipment tested to Category SM SB U2FF1 Hel icopter Random 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 Catego...

Page 50: ...ent tested to Category B Severe Shock 7 0 Equipment tested to Category B Standard opera tional shock and crash safety Vibration 8 0 Equipment tested to SM SB U2FF1 Helicopter Random 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 ...

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