9800 Martel Road Lenoir City, TN 37772 www.ps-engineering.com PM A 8000C Document P/N 200-890-0303 Revision 3, May 2014 For units with Serial Number CC1026 and above Audio Selector Panel with Marker Beacon Receiver High-fidelity Stereo Intercom System Installation and Operation Manual FAA- TSO C50c, C35d EASA ETSO C50c, 2C35d Patented under one or more of the following; No.
Table of Contents Section I – GENERAL INFORMATION ................................................................ 1-1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 INTRODUCTION ........................................................................................................................... 1-1 SCOPE.............................................................................................................................................. 1-1 EQUIPMENT DESCRIPTION ........................................
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.12.2 2.12.3 2.12.4 2.12.5 2.12.6 AUDIO PANEL TEST ...................................................................................................... 2-12 MARKER CHECKOUT .................................................................................................... 2-13 BLUETOOTH TELEPHONE CHECKOUT ..........................................................................
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Section I – GENERAL INFORMATION 1.1 INTRODUCTION The PMA8000C represents another evolutionary step in cockpit audio control and intercommunications utility. Using our patented IntelliVox® design, front panel utility jack, and pilot programmable configurations, this marks the next level of audio control. The unit is designed for outstanding ergonomics and visually defined mode annunciation and selection.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual all and crew modes, two independent stereo music inputs with "SoftMute™". Intercom volume control is through two concentric front panel knobs and a pushbutton intercom mode switch. The small volume knob controls the intercom level for the pilot and copilot, while the large knob controls the passenger intercom volume. Intercom squelch is automatic.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Audio Selector Specifications 510 Audio selector panel input impedance: -60 dB (min.) Input Isolation: -60 dB (min.) Speaker Muting: Speaker Output (into 4 ) with no clipping 3 Watts (min.) 14 VDC: 10 Watts (min.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 1.6 EQUIPMENT SUPPLIED 1 ea. of the following units: Model PMA8000C PMA8000C Description PMA8000C Audio Panel with Marker, Stereo Intercom, and Bluetooth connectivity, supporting three communications transceivers. Same as -0303, but with expansion capability for 12 passengers. Part Number 050-890-0303 050-890-0313 PMA8000C Installation Kit: 250-890-0000 Description 1.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Section II - INSTALLATION 2.1 2.1.1 GENERAL INFORMATION SCOPE This section provides detailed installation and interconnection instructions for the PS Engineering PMA8000C Audio Selector Panel/Intercom/ with internal Marker Beacon. Please read this manual carefully before beginning any installation to prevent damage and post-installation problems.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 32 x ½" screws (475-632-0012). The audio selector panel must be supported at front and rear of the mounting tray. 2.3.4 Audio Panel Tray and Connector Assembly The rack connectors mate with two 44-pin connectors in the PMA8000C. The connectors are a subminiature crimp-type, and require the use a hand crimp tool, from table below (or equiv.).
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual The shields can be daisy-chained together, and then connected to the ground lugs mounted on the back plate shown in Appendix B. Radiated signals can be a factor when low level microphone signals are "bundled" with current carrying power wires. Keep these cables physically separated.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 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 conductor of the twisted-shielded cable. 2.4.5.1 Speaker Load The PMA8000C contains one speaker amplifier.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual The front panel jack can be configured to act as a fifth unswitched input. When configured through the front panel function switches (see operational section), the audio input to this jack will be presented to the pilot and copilot headsets, and not muted. NOTE The front-mounted utility jack is intended for portable equipment that is advisory in nature.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.4.11.1 Public Address Output Jumper 1. Remove qty. 5 Phillip head screws from the PM8000B. NOTE: THE SCREW IN THE REAR OF THE PANEL IS A DIFFERENT LENGTH THAN THE OTHER FOUR. YOU MUST PUT THE SHORTER LENGTH SCREW BACK IN THE SAME LOCATION OR DAMAGE WILL OCCUR. See Figure #1. Long shaft screws Short shaft screw Figure 2-1 Screw Locations 2.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 4. Install and tighten qty. 4 long thread screws into the lid, and one short screw on the rear. 2.4.12 PA Mute (J2, Pin 12) Pin 12 of J2 is a TTL logic output that is pulled low during PTT operation. 2.4.13 Miscellaneous Logic Output (J2, Pin 18) Pin 18 of the J2 connector is pulled to ground whenever the AUX button is depressed.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Local oscillators and internal signals from entertainment equipment can cause undesired interference 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.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.6.2 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. Maximum source current per lamp is 125mA. Voltage varies with photocell dimming. 2.6.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Figure 2-4 – Unswitched 3 Audio Level (bottom cover removed) 2.8 Communications Antenna Installation Notes For best results while in Split Mode, it is recommended that the one VHF communications antenna is located 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.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.10 Wiring Checkout After wiring is complete, verify power is ONLY on pins 8 and 9 of the J2 and aircraft ground on connector pins 10 and 11. Failure to do so will cause serious internal damage and void PS Engineering's warranty. 2.11 Unit Installation To install the PMA8000C, gently slide the unit into the mounting rack until the hold-down screw is engaged.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 16. Verify proper Intercom system operation in the ALL, ISO and CREW modes (see §3.7.3). 17. Verify that the audio selector panel system does not adversely affect any other aircraft system by systematically switching the unit on and off, while monitoring the other avionics and electrical equipment on the aircraft. 2.12.3 Marker Checkout 1. Connect a ramp generator at the antenna end of the marker coax.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.13 Final Inspection Verify that the wiring is bundled away from all controls and no part of the installation interferes with aircraft 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 accordance with good practices, with adequate strain relief.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Section III OPERATION 3.1 SCOPE This section provides detailed operating instructions for the PS Engineering PMA8000C, 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. This section is divided into sections covering the basic operating areas of the PMA8000C systems.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual In normal (not split) modes, the PMA8000C gives priority to the pilot’s radio Push-To-Talk (PTT). If the copilot it transmitting, and the pilot presses his PTT, the pilot’s microphone will be heard over the selected com transmitter. 3.2.1.1 Split Mode The split mode can be activated at any time by pressing the COM 1 and COM 2 OR COM 3 XMT buttons at the same time.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual telephone. This connects the telephone to the users as follows: In ALL intercom mode, all crew and passengers will be heard on the phone when they speak. COM and other selected radio audio is also heard in the headsets. If the pilot or copilot pushes the radio PTT, their mic will be transferred to the selected COM radio. The telephone party will not hear ATC communications, and vice versa.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 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 holding the "MKR" push-button switch for more then one second. The AUD indicator will come on.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.7.2 Intercom Volume Control (7) The inner volume control knob adjusts the loudness of the intercom for the pilot and copilot. It has no effect on selected radio levels, music input levels or passengers' volume level. The outer volume control knob controls intercom volume for the passengers. It has no effect on radio or music levels. Adjust the radios and intercom volume for a comfortable listening level.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual You can refer to Advisory Circular 91.21-1A for more information, at http://www.faa.gov 3.8.1 Music Muting The front panel "Mute" button has four modes, and controls the Mute function for Music 1. The SoftMute™ circuit will cut the music out whenever there is conversation on the radio, the intercom, or both, depending on the “Mute” mode selected.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual A patch cord is available with 2.5 mm to 3.5 mm (3/32 to 1/8”) adapter cord (PS Part Number 425-0062535) to connect music devices with 3.5 mm, 3-conductor cables.. 3.9.1 Audio Advisory Input The front jack can be used as a priority advisory input for auxiliary systems such as a GPS terrain advisory or portable traffic watch system. To prevent radio or intercom from muting this input, press the “Mute” button.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual To use these function keys “A,” “B,” “C” – press and hold the desired key, “Intercom” (COM 3) “Monitor” (AUX) “Music” (Mute) and “Music Volume” (SPR). There are three special functions. Function Button “A” (Intercom) is related to disconnecting the passenger microphones from the crew headsets when the aircraft radio is active. This keeps passengers from interrupting the crew.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Press again, and you will hear “Standard Music Distribution.” In this mode, Music 2 becomes active, and will always be presented to the passengers on the intercom. Music 1 is only available to the pilot and copilot. The intercom mode switch doesn’t have any affect on the music distribution.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual music. The chime volume is not related to the music volume. Note: Since it is possible to turn the volume completely off, you may need to turn the volume up if you don’t hear music when you expect to. It will take about 10 seconds to go from minimum to maximum volume. NOTE: Increasing the volume to max level has the potential of increasing undesired noises that could be coming from music sources.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual In ISO intercom mode, when the PMA8000C is in the TEL 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. Warning: United States FCC Regulations contained in 47 CFR § 22.
PS Engineering PMA8000C 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.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix A – External PTT Hook Up Part of the installation includes the installation of PTT (Push To Talk) switches that allow the use of your aircraft radio for communications transmissions. There are three possible configurations; you must select the case that best fits your installation. NOTE: Only the person who presses their PTT switch will be heard over the radio.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix B – PMA8000C Installation Drawings J2 J1 Screw 4-40 x 1/4" 475-440-0001 (x2) 15 30 44 1 15 30 1 16 31 44 16 31 Viewed from Back Ground Lug 475-009-0001 (x2) Back plate assy 475-440-0001 (x2) Screw w/washer 475-009-0001 ground lug (x2) Ground lug detail Rear plate detail (not to scale) 6.31in 1.28in 1.28 in 0.96in 0.36in 0.37in 3.87in 5.53in 6.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix C – J1 PMA8000C Connector Interconnect Com 1 Audio Hi Communications Transceiver #1 Com 1 Lo Com 1 Mic Audio Hi Com 1 Mic Key 13 14 15 30 27 28 Com 2 Audio Hi Communications Transceiver #2 See Note 4 Com 2 SPR Load Com 2 Lo Com 2 Mic Audio Hi Com 2 Mic Key Com 2 Spr Load Com 2 Spr Load COM 3 Audio Hi Communications Transceiver #3 COM 3 Audio Lo COM 3 Mic Audio Hi COM 3 Mic Key VHF Nav 1 S
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix D – J2 Connector Interconnect PMA8000CJ2 CONNECTOR (Sub-D 44-pin male on tray) 31 16 1 Pilot Phones (L) 4 3 2 Copilot Phones (L) Pilot Phones (R) Copilot Phones (R) Unswitched Input #4 Hi Unswitched Audio Lo Note 13 Pass. Mic Hi Pass. 1 Mic Jack Pass. Mic Lo Pass. Mic Hi Pass. 2 Mic Jack Pass. Mic Lo Note 14 Pass. Mic Hi Pass. 3 Mic Jack Pass. Mic Lo Pass. Mic Hi Pass.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual PMA8000C with Expansion (Unit 050-890-0313 only) PMA8000C J2 Expansion Unit #2 11636R 3 14 1 Expansion Audio Input 15 2 Expansion Audio Output (L) 35 36 39 Expansion Lo Expansion Power PMA8000C J1 Expansion Audio Output (R) 40 41 10 11 Ground Lug Expansion Unit #1 11636R 15 2 Expansion Audio Output (L) Expansion Audio Output (R) 3 1 14 Pass 1 & 3 Phones (L) Hi Pass 1 & 3 Phones (R) Hi Headpho
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix E – Instructions for FAA Form 337 and continuing airworthiness 9.1 Instructions for FAA Form 337, Audio Panels One method of airworthiness approval is through an FAA Form 337, Major Repair and Alteration (Airframe, Powerplant, Propeller, or Appliance) In the case of the PMA8000C, you may use the following text as a guide.
PS Engineering PMA8000C Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix F – RTCA DO160D Environmental Qualification Form Audio Selector Panel/Intercom/Marker Beacon Receiver Part Number: 050-890-( ) FAA TSO Number: C50c, C35d Manufacturer: PS Engineering Incorporated 9800 Martel Road Conditions Temperature and Altitude Low Temperature High Temperature In-flight Loss of Cooling Altitude Decompression Overpressure Temperature variation Humidity Shock Operational Crash Sa
