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PS Engineering 

PMA450B Audio Selector Panel and Intercom System 

Installation and Operator’s Manual 

200-450-0600 

Page 1-4 

 Rev. 5, August 2020 

MARKER BEACON RECEIVER (-0601, -0602 only)

 

Frequency

: 

75 MHz Crystal Controlled  

Sensitivity

: 

   Low:  
   High: 
 

Capable of: (preset at factory for field application) 
1000 

Volts (Hard) (360 to 570 

V soft) 

200 

Volts (Hard) (130 to 200 

V soft) 

Selectivity

: 

-6 dB at ±10 kHz 
-40 dB at ±120 kHz  

External Lamp Output

: 

7.5 (±4 VDC unloaded, at maximum brightness) VDC posi-
tive when active, max. current 125 mA 

MM Sense

: 

Active high (4.5 ± 1.0VDC) 

USB Charging Port

 

Available Current 

3.5A (15W Maximum) output, short circuit and over-current 
protected 

Voltage 

5 VDC 

1.6 

EQUIPMENT SUPPLIED 

One each of the following units: 

 

 

 

Model 

Description 

Part Number 

PMA450B 

Digital Stereo Audio Selector Panel with Marker Beacon, USB Charg-
ing port, PS Streamer function 

and

 flightmate® 

050-450-0601 

PMA450B 

Digital Stereo Audio Selector Panel with Marker Beacon, USB Charg-
ing port, 

and

 flightmate® (No PS Streamer) 

050-450-0602 

PMA450B 

Digital  Stereo  Audio  Selector  Panel, 

with

  USB  Charging  port,  PS 

Streamer function 

and

 flightmate®, 

without

 Marker Beacon 

050-450-0701 

PMA450B 

Digital  Stereo  Audio  Selector  Panel,  USB  Charging  port, 

and

  flight-

mate® (No PS Streamer or Marker Beacon) 

050-450-0702 

 
PMA450 Installation Kit: 250-890-0000 

Description 

Quantity 

Part 

Number 

Installation rack assembly 

1 

430-890-0040 

Rack back plate 

1 

430-890-0050 

44-pin connector kit 

2 

120-891-2045- 

Back shell, bottom 

2 

625-025-1131 

Back shell cover 

2 

625-025-1132 

2-56 X 3/16 screw for connector shell 

4 

475-256-0516 

4 40 X 7/16 screw w/nylon patch 

4 

475-440-0007 

4 40 X 3/8 screw w/nylon patch 

4 

475-440-1038 

4-40 x ¼” screw with lock washer 

2 

475-440-0001 

Solder Lug 

2 

475-009-0001 

Cable Clamp 

1 

625-001-0002 

#6-32 x ½” Flat head Philips screw 

6 

475-632-0012 

#6-32 Clip Nut 

6 

475-630-0002 

 

 

EQUIPMENT REQUIRED BUT NOT SUPPLIED  

a.

 

Circuit Breaker: 1 ea.; 5 amp PULL TYPE REQUIRED for PMA450B 

b.

 

Speaker, 4 

 as desired 

c.

 

Headphone Jacks (

Stereo

, as Required)  

d.

 

Microphone Jacks (as Required) 

e.

 

Headphones, 150 

 (

Stereo

), up to 6 as required 

f.

 

Microphones, up to 6 as required  

g.

 

Marker Antenna (75 MHz, VSWR <1:1.5, and appropriate for the airspeed) (-0601, -0602 Only)

 

h.

 

Interconnect Wiring  

Содержание 050-450-0601

Страница 1: ...wing 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 expresse...

Страница 2: ...OCK 2 4 2 4 7 BACKLIGHTING 2 4 2 4 8 UNSWITCHED INPUTS 2 5 2 4 9 SWAP MODE 2 5 2 4 10 PUBLIC ADDRESS MODE 2 5 2 4 11 WIRED TELEPHONE SATELLITE COMMUNICATION INPUT 2 6 2 4 12 MUSIC INPUTS 2 6 2 4 13 PL...

Страница 3: ...SIC VOLUME 3 12 3 10 3 MUSIC IN PILOT ISO MODE 3 12 3 11 BLUETOOTH CONNECTION 3 12 3 11 1 PAIRING AND UN PAIRING BLUETOOTH DEVICES 3 13 3 12 BLUETOOTH TELEPHONE MODE 3 13 3 12 1 BLUETOOTH RESET 3 14 3...

Страница 4: ...PANELS D 8 2 INSTRUCTIONS FOR CONTINUING AIRWORTHINESS AUDIO SYSTEM D Appendix E RTCA DO160G Environmental Qualification Form E Rev Date Change New April 2018 Release of manual for PMA450B 1 June 2018...

Страница 5: ...individually labeled for use with ADF DME AUX etc Warning Use of non aviation approved cellular telephone equipment may be prohibited by FCC regulation PS Engineering is not responsible for unauthoriz...

Страница 6: ...l that can improve flight safety and reduce workload flightmate allows the user to store four audio messages that can be trigged by cockpit signals when connected for safety alerts APPROVAL BASIS FAA...

Страница 7: ...xternally protected by a 5A pull type breaker Audio Selector Specifications Audio selector panel input impedance 510 Input Isolation 60 dB min Speaker Muting 60 dB min Speaker Output into 4 with no cl...

Страница 8: ...MA450B Digital Stereo Audio Selector Panel with USB Charging port PS Streamer function and flightmate without Marker Beacon 050 450 0701 PMA450B Digital Stereo Audio Selector Panel USB Charging port a...

Страница 9: ...nforcement ac tion which may include a 10 000 fine per incident FCC Regulation 47 CFR 22 925 Prohibition on airborne operation of cellular telephones Cellular telephones installed in or carried aboard...

Страница 10: ...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 V...

Страница 11: ...ng shielding and sol dering technique must be used at all times It is imperative that correct wire be used Refer to FAA Advisory Circular 43 13 2B for more information Failure to use correct technique...

Страница 12: ...rly with older avionics 2 4 2 Existing GMA340 and PMA8000 Installations If the installation replaces a GMA340 or any of the PMA8000 series no changes are necessary as long as the existing installation...

Страница 13: ...l 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...

Страница 14: ...nvenient audio low However this should NOT be connected to Music Low NOTE Inputs 1 and 2 are fixed 1 1 and any audio level adjustments must be made at the input source Unswitched 3 and 4 can be adjust...

Страница 15: ...ow level output of any additional Music device to connect to the audio panel Maximum signal level is 3 VAC p p DO NOT use a speaker level output this will cause internal damage in the audio panel CAUT...

Страница 16: ...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 b...

Страница 17: ...figured to accept an active high but shall cease to play when the stimulus is removed This is intended for such a system as a stall warning which clears autonomously this will NOT stop with the acknow...

Страница 18: ...er is active but cease when the stimulus is removed and is suitable to supplement a Sonalert Piezoelectric buzzer This cannot be stopped by the front panel or external Acknowledge button NOTE Message...

Страница 19: ...adjustment for OLED Screen Adjustment Rename Switched Inputs Bluetooth menus Mute mode recall Note in this mode the audio panel functions will be inoperative 2 7 1 Adjust Screen The first items are ad...

Страница 20: ...2 J1 Pin 21 wrt Pin 22 Default DME 3 NOTE In PMA450B 0701 No Marker Switched 1 or 2 can be renamed to MKR for a re mote audio input The customer will have access to rename Maximum 9 letters per line a...

Страница 21: ...to the loca tions relative to the listener graphic in sequence Pressing the Done button exits the configuration setting mode This setting is recalled at system power up IntelliAudio True Dimensional S...

Страница 22: ...et N1245 or Skyhawk as an example 2 7 6 Bluetooth 2 P N 050 450 0601 0701 Only Certain PMA450B s have an additional Bluetooth Module that can be used as an audio input useful for EFB such as ForeFligh...

Страница 23: ...Nav 2 Audio 19 Alert Trigger 2 20Nav 2 Audio Lo 20 Swap Remote ICS 21SW 2 DME Audio 21 Swap Lo 22SW 2 DME Audio Lo 22 IRS Playback 23 Aux Audio 23 Music 1 L 24Alert Trigger 4 24 Music 1 R 25No Connect...

Страница 24: ...rew positions 1 Apply power to the aircraft and avionics 2 Plug stereo headsets into the pilot copilot and occupied passenger positions 3 Verify fail safe operation by receiving and transmitting on co...

Страница 25: ...nal Recorder Checkout With headset plugged into pilot s side jacks tune COM 1 to local frequency such as FSS or ATC ground Select Com 1 on mic selector switch and record several incoming radio transmi...

Страница 26: ...d Fail Safe 1 The PMA450B will automatically power up when avionics bus voltage is applied Unit power can also be turned off and on by pushing the volume knob 1 There is a built in delay to prevent ac...

Страница 27: ...ou are not receiving To select a VHF COM radio to listen only push the C1 or C2 button in the RCV Receive section The PMA450B will remember when you have selected a radio for receive only and then swi...

Страница 28: ...this feature The spatially processed dimensional sound in the PMA450B can be adjusted to accommodate the user pref erences See 3 17 4 3 5 2 1 IntelliAudio Auto mode When IntelliAudio is in Auto mode...

Страница 29: ...m the speaker Depending on installation important audio annunciations such as radar altimeter or autopilot disconnect will come over the speaker even if it is not selected while other unswitched but m...

Страница 30: ...l three lamps simultaneously to assure the lamps internal and external are in working order TST does not activate MM autopilot sense output Releasing the button returns to the last sensitivity Pressin...

Страница 31: ...The outer larger volume control knob controls intercom volume for the passengers It has no effect on radio or music levels When the outer knob is moved the green volume bar indicator will switch to sh...

Страница 32: ...adios They may also listen to Music 1 Passengers can continue to communicate with themselves without interrupting the Crew and may listen to Music as configured 3 8 3 1 Remote ICS Mode Control The pan...

Страница 33: ...external triggers and acknowledged if desired flightmate MUST be activated from the installer setup menu Contact your PS Engineerng installing dealer for information See 2 6 for important information...

Страница 34: ...nel and Intercom System Installation and Operator s Manual 200 450 0600 Page 3 9 Rev 5 August 2020 Press More Press flightmate The first flightmate screen allows you to modify Alert 1 2 Alert 1 can be...

Страница 35: ...not replace any existing alerts in the aircraft Music Control Distribution and Muting The bottom menu bottom line select button toggles the music on or off for the pilot When pilot music is active a m...

Страница 36: ...anding or any critical phase of flight FAA Regulation 14 CFR 91 21 restricts the use of portable electronic devices 91 21 a Except as provided in paragraph b of this section no person may operate nor...

Страница 37: ...o be adjusted from the menu of the PMA450B Press Music Music Volume Desired music input The LED Volume bar and the numeric volume will show the volume level Figure 3 7 Music Volume screen 3 10 3 Music...

Страница 38: ...onnects sequences when the PMA450B is first powered on This is normal and will result in the device remaining connected when the auto connect process is completed If two iOS devices are paired and con...

Страница 39: ...Bluetooth Reset If Bluetooth devices have trouble connecting it may be necessary to reset the Bluetooth Module The PMA450B Bluetooth Reset function is accessible from the setup menu During the unit bo...

Страница 40: ...active at a time The Bluetooth symbol is absent from wired menu The wired telephone screen menu is activated when audio is detected from the phone Sidetone and telephone volume can be controlled from...

Страница 41: ...1 second Figure 3 8 Playback Controls Figure 3 9 Playback Display PS Streamer Operation P N 050 450 0601 0701 Only The PMA450B may be equipped with a PS Streamer audio module In addition to a second...

Страница 42: ...treamer Source Press the middle line select button to activate the PS Streamer source when it has been turned off The PS Streamer defaults to off when the audio panel is turned on each time You will n...

Страница 43: ...few seconds Then as the countdown progresses the display will mo mentarily show remaining time as the interval is divided in half from 1 minute then 30 seconds then 15 seconds etc At one minute remai...

Страница 44: ...selecting the smaller button and then turning the inner knob The display brightness also automatically tracks the ambient light To change the display Press the line select for the desired item Turn th...

Страница 45: ...outer knob to select the letter to change Turn the small inner knob to increment or decrement the letter You can select 9 characters A through Z 1 through 9 You can quickly clear the whole line by tu...

Страница 46: ...device ID 3 18 1 1 Unpair All Bluetooth Reset 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 Th...

Страница 47: ...ir if a Personal Identification Number PIN is required To disable the PIN Enter configuration menu select Bluetooth Select PIN code for editing Press PIN button one more time Bluetooth Reset will appe...

Страница 48: ...ilot hears such as intercom alerts music etc The ID can be changed to personalize it for your specific devices When Bluetooth 2 BT 2 is configured as a streamer output the Bluetooth symbol acquires a...

Страница 49: ...inputs See 2 5 Messages are played only in the crew headset They are not heard over the cockpit speaker The Audio Alerts can be recorded by the user from the User Setup Page Select the desired Alert...

Страница 50: ...to the factory stored default messages by clicking the lower button See 2 5 for the default messages USB Charging Port 10 The PMA450B contains a USB C charging port that is capable of providing 5 VDC...

Страница 51: ...uct is borne by the party making the shipment unless the purchaser requests a specific method of shipment In this case the purchaser assumes the risk of loss This warranty is not transferable Any impl...

Страница 52: ...k 430 890 0040 0 20in 8plcs 0 50in 2plcs Solder lug 475 009 0001 2ea 625 025 1131 Back Shell 2 ea 475 256 0516 8 ea J2 J1 Viewed from Back 15 30 44 1 16 31 15 30 44 1 16 31 GroundLug GroundLug 475 440...

Страница 53: ...hielded wires must be MIL22750 or27500 6 Unswitched inputs 1 is always presented to speaker and crewheadphones regardless ofSPR switch or PTT 7 Forflightmate system See section 2 5 8 No connection to...

Страница 54: ...hould be grounded at audio panel only other end remains floating 3 Pins 8 and 9 connected through a 5 A breaker 4 PA Mute is a TTL logic level that is pulled low when radio PTT active for external sys...

Страница 55: ...450 revision dated is placed in the aircraft records All work accomplished listed on Work Order Instructions for Continuing Airworthiness Audio System Sample ICA Checklist for PS Engineering Audio Sys...

Страница 56: ...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 test...

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