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PS Engineering

PMA5000EX Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-550-0100

Page 3-7

Rev. 3, Dec. 2015

Crew

3.10.2 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  sys-

tem. To prevent radio or intercom from  muting this

input, press the “

Mute

” button.

3.10.2.1

Smart Jack Function

When the PMA5000EX has a signal on music #1 input coming in from the rear

connector, the front panel jack automatically becomes a Priority Advisory input, and is heard in the crew

headphones.

NOTE

The front jack is no substitute for the installation of alerts such as the GPS waypoint or autopilot tones.

These still must be hard wired into the back by your installer.

3.10.3 Music Input

When used as a music input, the front panel jack is treated as Music #1. A patch cord is available with 2.5

mm to 3.5 mm (3/32” to 1/8” ) adapter cord (PS Part Number 425-006-2535).

3.10.4 Alternate Music Distribution

The alternate music distribution allows you to configure your music to be either

independent

of the inter-

com mode, or to make Music 2

dependent

on the intercom mode. This more is controlled by an optional,

external switch, or by an installation strap, which makes the mode non-user selectable.
In Alternate Music Distribution, Music 2 will be active

only

when the intercom is in the CREW mode, and

only the passengers will hear it. This distribution is similar to other brands of audio panels. It allows the

passengers to have their music source come on only when they are not hearing the crew.

Music Distribution dependent

ALL Mode

Music 1

Passengers

Copilot

Pilot

Music Distribution dependent/

ISO Mode

Passengers

Pilot & Copilot

Music Distribution dependent/

CREW Mode

Music 2

Music 1

ICS

Music 1

Passengers

Pilot & Copilot

ICS

Pilot selectable

Figure 3-2 Alternate Music Distribution

Содержание PMA5000EX

Страница 1: ...yright 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...

Страница 2: ...G 2 2 2 4 1 NOISE 2 2 2 4 2 POWER 2 3 2 4 3 COMMUNICATIONS PUSH TO TALK 2 3 2 4 4 AUDIO PANEL INTERFACE 2 3 2 4 5 TEL DUPLEX FUNCTION FOR CELL PHONES 2 3 2 4 6 TRANSMIT INTERLOCK 2 4 2 4 7 SWAP MODE 2...

Страница 3: ...TRIBUTION MODE 3 5 3 8 MUSIC VOLUME 5 3 6 3 9 TELEPHONE MODE 9 3 6 3 9 1 CELLULAR TELEPHONE SIDETONE 3 6 3 10 UTILITY JACK 3 6 3 10 1 CELLULAR PHONE 3 6 3 10 2 AUDIO ADVISORY INPUT 3 7 3 10 3 MUSIC IN...

Страница 4: ...ows the PMA5000EX to act as an audio interface between aircraft headphone and microphones and specific aircraft approved FAA FCC cellular telephone equipment through the front mounted jack Warning Use...

Страница 5: ...TS Including Internal Lighting Voltage 11 to 33 VDC Maximum Current 2 5 Amp Externally protected by a 5A pull type break er Audio Selector Specifications Audio selector panel input impedance 510 Input...

Страница 6: ...4 40 x screw with lock washer 2 475 440 0001 Solder Lug 2 475 009 0001 Cable Clamp 1 625 001 0002 6 32 x Flat head Philips screw 6 475 632 0012 6 32 Clip Nut 6 475 630 0002 Parts ID Sheet 1 002 890 0...

Страница 7: ...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 PMA5000EX must be r...

Страница 8: ...power supply to work in its designed regulation Otherwise it cannot adequately attenuate power line noise Shielding can reduce or prevent radiated noise i e beacon electric gyros switching power supp...

Страница 9: ...n pilot yoke only This configuration requires a modified external PTT switch plugged into the copilot s microphone jack See Appendix A When the copilot s PTT is pressed the intercom switches the micro...

Страница 10: ...e 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 2 4 8 Backlighting The P...

Страница 11: ...your specifications and fully functionally tested Harness can be ordered with jack or without the intercom jacks installed for easi er wire routing through the aircraft 2 5 1 Entertainment Inputs The...

Страница 12: ...ternate Music Distribution the music inputs are intercom mode dependent input 1 goes to the pilot copilot and all passengers when the intercom is in the ALL mode Music 2 is ONLY active in CREW mode an...

Страница 13: ...na 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 instal...

Страница 14: ...dio 17 no connect 18 Nav 1 Audio Lo 18 no connect 19 Nav 2 Audio 19 no connect 20 Nav 2 Audio Lo 20 Swap 21 DME Audio 21 Swap Lo 22 DME Audio Lo 22 Alternate Music Distribution control 23 AUX 2 Audio...

Страница 15: ...tion 6 Push the Com 1 Xmt select button lower row 7 Verify that both of the Com 1 buttons light Verify that transmit button LED Light Emitting Diode near the mic selector is not blinking If the LED is...

Страница 16: ...he 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 th...

Страница 17: ...tate when turned on 3 3 Communications Transmit XMT Selection 2 There are two pushbuttons associated with the communications transceiver selection The two lower but tons 2 control which transceiver is...

Страница 18: ...se normally 3 3 2 COM Radio Monitor 3 The PMA5000EX has a Monitor function that allows you to listen monitor to a communication receiver but when the other primary receiver becomes active the audio fr...

Страница 19: ...hipped from PS Engineering the PMA5000EX does NOT provide cellular telephone sidetone the us er s voice fed back to the headset Some cell phones do not provide sidetone In PMA5000EX Telephone sidetone...

Страница 20: ...will not hear one channel unless they switch to the MONO mode on their headset 3 6 3 Intercom Modes 8 The ICS pushbutton switch on the left side of the panel provides the selection of the three interc...

Страница 21: ...Muted ICS Mute OFF None The passenger s intercom also has a SoftMute circuit If the passengers hear the radio or talk on the intercom the music will mute If the audio panel is in CREW mode then the r...

Страница 22: ...their respective PTT switch In CREW mode the pilot and copilot are connected to the telephone The pilot and copilot will have transmit capability on the other selected transceiver Com 1 or 2 simply by...

Страница 23: ...el jack is treated as Music 1 A patch cord is available with 2 5 mm to 3 5 mm 3 32 to 1 8 adapter cord PS Part Number 425 006 2535 3 10 4 Alternate Music Distribution The alternate music distribution...

Страница 24: ...hen the music is standard Music 1 will always go to the pilot and copilot positions and is never heard by the passengers Music 2 is always heard by the passengers and never heard by the pilot and copi...

Страница 25: ...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 T...

Страница 26: ...hes will be required for both the pilot and copilot Modifications to the PTT are required See details below Push To Talk Modifications When received from the manufacturer an after market PTT switch op...

Страница 27: ...om Back 15 30 44 1 16 31 15 30 44 1 16 31 Ground Lug Ground Lug 475 440 0001 x2 Back plate assy 475 009 0001 ground lug x2 475 440 0001 x2 Screw w washer Ground lug detail Rear plate detail not to sca...

Страница 28: ...PS Engineering PMA5000EX Audio Selector Panel and Intercom System Installation and Operator s Manual 200 550 0100 Appendix B Rev 3 Dec 2015 Appendix C J1 Connector Interconnect...

Страница 29: ...PS Engineering PMA5000EX Audio Selector Panel and Intercom System Installation and Operator s Manual 200 550 0100 Appendix D Rev 3 Dec 2015 Appendix D J2 Connector Interconnect...

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