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PS Engineering 050-450-0801 Installation And Operation Manual

Audio selector panel with marker beacon receiver high-fidelity stereo intercom, usb charging port with bluetooth connectivity
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9800 Martel Road
Lenoir City, TN 37772
www.ps-engineering.com
PMA450C
Document P/N 200-450-0800
July 2022
Audio Selector Panel with Marker Beacon Receiver
High-fidelity Stereo Intercom, USB Charging Port
with Bluetooth® Connectivity
System Installation and Operation Manual
FAA- TSO C139a, C35d, C71
Patented under one or more of the following;
No. 4,941,187; 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. 2022 ©
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-engineering.com.

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Summary of Contents for PS Engineering 050-450-0801

  • Page 1 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-engineering.com.

  • Page 2: Table Of Contents

    WITCHED NPUTS 2.6.3 V ........................ 2-9 OLUME ETUP 2.6.4 B ® ......................2-9 LUETOOTH MENU 2.6.5 B #2(P/N 050-450-0801 & -0901 O ) ............2-10 LUETOOTH ............................2-10 OMMUNICATIONS NTENNA NSTALLATION OTES PMA450C P ................................... 2-11 IN ASSIGNMENTS ......................................2-12...
  • Page 3 (4) ....................3-3 AVAID ELECTION (7) ..................................... 3-4 PEAKER MPLIFIER 3.6.1 P .................... 3-4 UBLIC DDRESS UNCTION (9) ( 050-450-0801, -0901 ) ....................3-5 ARKER EACON PERATION PART NUMBER ONLY 3.7.1 M ..................3-5 ARKER EACON ENSITIVITY (8) ....................................3-5...

  • Page 4: Section I - General Information

    Unswitched input #1 is also provided to the pilot headphone (left side headset ear cup) in fail-safe A six-station voice activated (VOX) intercom is included in the PMA450C. This system has PS Engineering’s patented IntelliVox® circuitry that eliminates manual adjustments. The intercom system incorporates pilot isolate, all and crew modes, two independent stereo music inputs with "SoftMute™".

  • Page 5: Approval Basis

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Landing System (ILS) approach. A pushbutton labeled MKR allows the pilot select audio on as well as test and mute modes. Marker high sensitivity is also controlled by this button.

  • Page 6: Specifications

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual SPECIFICATIONS TSO COMPLIANCE Marker Beacon: FAA TSO C35d, Class A Audio Selector/Intercom: FAA TSO C139a, Class 1a DC Charging Jack FAA TSO C71 APPLICABLE DOCUMENTS: RTCA/DO-214A RTCA/DO-143 RTCA/DO-160G...

  • Page 7: Equipment Supplied

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual MARKER BEACON RECEIVER (-0801 only) Frequency: 75 MHz Crystal Controlled Sensitivity: Capable of: (preset at factory for field application) 1000 Volts (Hard) (360 to 570 V soft) Low: 200 Volts (Hard) (130 to 200 V soft)
  • Page 8 (not touching the ground). When any aircraft leaves the ground, all cellular telephones on board that aircraft must be turned off. PS Engineering, Inc. does not endorse using unapproved cellular telephone equipment in flight, and takes no responsibility for the user’s action.

  • Page 9: Section Ii - Installation

    §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 show any sign of external shipping damage, contact PS Engineering to arrange for a replacement. Under no cir- cumstances attempt to install a damaged unit in an aircraft.

  • Page 10: Audio Panel Mounting Rack Installation

    It is imperative that correct wire be used. Refer to FAA Advisory Circular 43.13-2B 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. 2.4.1 Electrical 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.

  • Page 11: Existing Gma340 And Pma8000 Installations

    PMA450C will become instantly available. However, if the previous installation had three COMs, the PMA450C will not support the third COM; the PMA450C handles only two COM transceivers. The PMA8000C, P/N 050-890-0303 will support three COMs, call your local PS Engineering dealer for more information.

  • Page 12: Power

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.4.3 Power The PMA450C is compatible with both 14- and 28-Volt DC systems. A five (5) Amp circuit breaker is required for all installations. Power and ground wires should be #22AWG connect power to J2 Pins 8 and 9.

  • Page 13: Swap" Mode

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual These inputs are presented to the pilot and copilot regardless of the audio configuration, and will always mute the crew entertainment inputs. These 510Ω inputs can be used for altimeter DH audio, GPS waypoint audio, autopilot disconnect tones, or any other critical audio signal.

  • Page 14: Music Inputs

    The cell phone sidetone is adjustable in the Bluetooth® operation screen §2.6. Marker Beacon Installation (050-450-0801, Only) 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),...

  • Page 15: External Marker Lights

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 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 +7.0 VDC 4.0 VDC unloaded, at MAX brightness) when active.

  • Page 16: Rename "Switched" Inputs

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.6.1.1 Brightness Adjusting the Brightness level requires se- lecting either of the two line select buttons and then turning the inner knob. Counter- clockwise to lower the number (level of Brightness) and clockwise to increase the number (level of Brightness).

  • Page 17: Volume Setup

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Cycle PMA450C power to exit the setup screen. 2.6.3 Volume Setup The volume level of the marker beacon receiver, cockpit speaker, and switched inputs can be adjusted at the setup menu.

  • Page 18: Bluetooth #2(P/N 050-450-0801 & -0901 Only)

    It is probable that radio interference will occur in the split mode when the frequencies of the two air- craft radios are adjacent, and/or the antennas are physically close together. PS Engineering makes no expressed or implied warranties regarding the suitability of the PMA450C in Split Mode.

  • Page 19: Pma450C Pin Assignments

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual PMA450C Pin assignments Function Function 1 Marker Antenna Pilot Phones Lo 2 Marker Ant Lo Copilot Phones Lo 3 TEL Audio Hi Copilot Phones (L) 4 TEL Audio Lo...

  • Page 20: Wiring Checkout

    After wiring is complete, verify power is ONLY on pins 8 and 9 of the J2 and airframe ground on connector pins 10 and 11. Failure to do so will cause serious internal damage and void PS Engineering's warranty. Unit Installation To install the PMA450C, gently slide the unit into the mounting rack until the hold-down screw is engaged.

  • Page 21: Marker Checkout (050-450--0801 Only)

    Complete documentation that may be required, such as a logbook entry, weight and balance computation and FAA Form 337. 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 complete online at www.ps-engineering.com.

  • Page 22: Section Iii Operation

    Installation and Operator’s Manual Section III OPERATION SCOPE This section provides detailed operating instructions for the PS Engineering PMA450C, Audio Selector Panel/Marker Beacon Receiver/Intercom Systems. Please read it carefully before using the equipment so that you can take full advantage of its capabilities.

  • Page 23: Split Mode

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual menu. Items are toggled on and off by pressing the line select key as well. A long press (> 1 second) will also back up one menu level.

  • Page 24: Swap Mode (Switch From Com 1 To Com 2 Remotely)

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.5.1 Swap Mode (Switch from Com 1 to Com 2 remotely) With an optional yoke mounted, normally open momentary switch, the pilot can change from the current Com transceiver to the other by pressing this switch.

  • Page 25: Speaker Amplifier (7)

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual NOTE: Switched Inputs can be renamed at the configuration set up. See §3.13 for more information. In SPLIT mode, only the pilot will hear selected navigation audio.

  • Page 26: Marker Beacon Operation (9) (Part Number 050-450-0801, -0901 Only)

    To exit PA mode, push and hold the N1 button again until PA is off or cycle power on the audio panel. Marker Beacon Operation (9) (part number 050-450-0801, -0901 only) The Marker Beacon Receiver uses visual and audio indicators to alert you when the aircraft passes over a 75 MHz transmitter.

  • Page 27: Intercom Volume Control (1)

    This is normal. If your cockpit is unusually loud or windy, 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.
  • Page 28 PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 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 are controlled by the ICS button selecting CRW.

  • Page 29: Music Control, Distribution And Muting

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Copilot as Passenger Enabled 3.8.3.4 Copilot as Passenger (CPX). In this mode, the copilot position is treated as a passenger. The position will have intercom with the pilot position, except when there is radio traffic, will not hear any selected radio audio and cannot transmit on the radio.

  • Page 30: Music Muting

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual The combination of Music 1 and Bluetooth 2 (must be configured as a Music input), is available for the crew positions. Figure 3-5 Music distribution menu with multiple Bluetooth modules (Part Number -0801 and -0901...

  • Page 31: Music Volume

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.9.2 Music Volume The volume of the music inputs can also be adjusted from the menu of the PMA450C: Press Music → Music Volume → Desired music input. The LED Volume bar and the numeric volume will show the volume level.

  • Page 32: Bluetooth® Telephone Mode

    PTT. All selected audio is provided. NOTE PS Engineering does not guarantee compatibility with personal cellular telephones. 3.11.1 Bluetooth Reset If Bluetooth devices have trouble connecting, it may be necessary to reset the Bluetooth Module. The PMA450C Bluetooth Reset function is accessible from the setup menu.

  • Page 33: Bluetooth Pin

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual When Unpair All is pushed, the BT 1 is reset and ALL Bluetooth devices are erased and can then be added back as desired. This is useful in some cases where the unit or operator lose track of the devices paired and cannot get them to connect.

  • Page 34: Wired Satcom/Cell Phone Input

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Wired Satcom/Cell Phone input The PMA450C can accommodate a wired telephone input as well as a Bluetooth connection. However, only one can be active at a time. The Bluetooth symbol is absent from wired menu.
  • Page 35 PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Figure 3-9 Playback Display 200-450-0800 Page 3-14 July 2022...

  • Page 36: User Setup Menus

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual User Setup menus The PMA450C has several user adjustable functions accessible from a setup menu. Figure 3-10 User Configuration Menu During the unit boot up process, press the lower line select button until the setup screen appears.

  • Page 37: Rename "Switched" Inputs

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual This allows adjustment of the timeout screen and can be configured from 1 second to 30 seconds by turning the inner knob. For a user who is unfamiliar with the product, this will give them enough time to learn the system. After becoming more familiar, the user can speed up the menu screen timeout as desired.

  • Page 38: Options

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.14.3 Options 3.14.3.1 Remembering Music Mute Mode As shipped by the factory, the PMA450C automatically default to “Mute Off.” This ensures that the music will always be muted until positively changed by the pilot.

  • Page 39: Bt1 Configuration

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.15.4 BT1 Configuration When Unpair All is pushed, the Bluetooth Module is reset and ALL Bluetooth devices are erased from the audio panel, and can then be added back as desired. This is useful in some cases where the unit or operator loses track of the devices paired, and cannot get them to connect.

  • Page 40: Volume Setup

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual When BOTH Bluetooth Modules are configured for audio input, the Bluetooth symbol appears twice. 3.15.6 Volume Setup Press RADIO → VOLUMES → MARKER and turn the small knob to adjust the marker beacon volume.

  • Page 41: Section Iv - Warranty And Service

    (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 determined to be defective after consultation with a factory technician.

  • Page 42: Appendix A - Pma450C Installation Drawings

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix A – PMA450C Installation Drawings 625-025-1132 Back Shell C over (2 ea.) 44-pin connector (2 ea) part of 120-891-2045 Ø0.20in 475-256-0516 (8 ea.) 8 plcs 475-440-0007 (4 ea) Ø0.50in...

  • Page 43: Appendix B - J1 Connector Interconnect

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix B – J1 Connector Interconnect PMA450C C onnector, J1 (Sub-D 44-pin, male on tray) Com 1 Audio Hi Com 1 Lo Communi cati ons Com 1 Mic Audio Hi...

  • Page 44: Appendix C - J2 Connector Interconnect

    PS Engineering PMA450C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix C – J2 Connector Interconnect PMA450C J2 CONNECTOR (Sub-D 44-pin male on tray) Pil ot Phones (R) Pilot PhonesJack Pil ot Phones (L) Pil ot Phones Lo...

  • Page 45: Appendix D - Instructions For Faa Form 337 And Continuing Airworthiness

    Aircraft equipment list, weights and balance amended. Compass compensation checked. A copy of the operation instruc- tions, contained in PS Engineering document 202-450-( ), revision ( ), dated ( ), is placed in the aircraft records. All work accomplished listed on Work Order...

  • Page 46: Appendix E - Rtca Do160G Environmental Qualification Form

    Installation and Operator’s Manual Appendix E – RTCA DO160G Environmental Qualification Form Audio Selector Panel/Intercom/Marker Beacon Receiver Part Number: 050-450-( ) FAA TSO Number: C139a, C35d, C71 Manufacturer: PS Engineering Incorporated 9800 Martel Road Lenoir City TN 37772 Conditions Section Conducted Tests Temperature and Altitude Equipment tested to CAT A1 &...

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