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PS Engineering Inc. ®

PAR100EX Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-760-0000

Page 2-12

Rev. 11, Feb. 2013



TEL VOL- The received telephone volume. The unit is set at the factory for 75% of volume. Turn

Clockwise

to increase the TEL receive volume.



LCD CST: adjusts display contrast to suit individual preferences and ambient light.

Figure 2-3 PAR100EX Cover adjustment locations

2.11 Microphone gain reduction

For  installations in very noisy aircraft, a reduction in the intercom microphone input gain may be desir-
able.  The  PAR100EX  has  two  DIP  switches  located  on  the  main  board  that  can  switch  the  inputs  to  a
lower gain setting.

Remove the top cover (see §2.8), and locate the two DIP switches near the mounting rod at the rear of the
unit.

Unswitched 3

LCD Contrast
3

TEL VOL

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Summary of Contents for PAR100EX

Page 1: ...ht Notice Any reproduction or retransmittal of this publication or any portion thereof without the expressed written permission of PS Engi neering 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 For use in Experimental LSA Non certified aircraft ONLY N...

Page 2: ...PUT POWER 12VDC 2 3 2 4 4 COMMUNICATIONS PUSH TO TALK 2 4 2 4 5 AUDIO PANEL INTERFACE 2 4 2 5 M760REM VHF COM INTERFACE 2 4 2 5 1 M760REM CONNECTOR 2 4 2 5 2 INTERFACING THE M760REM AS SINGLE COM 1 OR COM 2 2 4 2 5 3 R760REM ANTENNA CONNECTION 2 5 2 6 TELEPHONE DUPLEX FUNCTION FOR BLUETOOTH CAPABLE CELL PHONES 2 6 2 6 1 PARING SEPARATE MUSIC AND TELEPHONE DEVICES 2 6 2 6 2 TELEPHONE SIDETONE 2 7 2...

Page 3: ... 3 INTERCOM MODES 8 3 5 3 8 TELEPHONE MODE 3 5 3 8 1 BLUETOOTH TELEPHONE CONNECTION 3 5 3 8 2 TELEPHONE TEL OPERATION 3 6 3 9 ENTERTAINMENT INPUTS 3 6 3 10 MUSIC MUTING 9 3 7 3 10 1 MUSIC 2 MUTE CONTROL 3 7 3 10 2 LIQUID CRYSTAL DISPLAY CONTROL 3 7 Section IV Warranty and Service 4 1 4 1 WARRANTY 4 1 4 2 FACTORY SERVICE 4 1 Appendix A External PTT Hook Up A Appendix B PAR100EX Installation Drawing...

Page 4: ... PAR100EX to act as an audio interface between aircraft headphone and microphones and Bluetooth enabled cellular telephone equipment Warning Use ofnon aviation approved cellular telephone equipment maybe prohibited byregulation PS Engineering is not responsible for unauthorized airborne use of cellular telephones For airborne use the PAR100EX must be interfaced with an approved system There are fo...

Page 5: ...2 Aux 1 Aux 2 Unswitched Inputs 4 Transmitter Selections 3 Com 1 Com 2 Com1 2 Headphone Impedance 150 1000 Headphone Output 38 mW each headset no clipping 1 THD typi cal into 150 Microphone Impedance 150 600 Intercom Specifications Intercom Positions 4 places with individual IntelliVox circuits Music Inputs 2 Independent Stereo Music Muting 30 dB Soft Mute when Com or intercom active Distortion 1 ...

Page 6: ...late 1 430 890 0050 44 pin connector kit 2 120 891 2045 Backshell connector 2 625 025 2465 Backshell Retainer 2 431 891 0100 4 40 X 7 16 screw w nylon patch 4 475 440 0007 4 40 X 3 8 screw w lock washer 4 475 440 1038 4 40 X 1 8 screw w 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 Installa...

Page 7: ...s you do not need a license to operate a two way VHF radio aboard aircraft operating domes tically Aircraft operating domestically do not land in a foreign country or communicate via radio with foreign ground stations Flying in international or foreign airspace is permitted so long as the previous conditions are met If you travel to a foreign destination however e g Canada Mexico Bahamas Brit ish ...

Page 8: ... 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 circumstances attempt to install a damaged unit in an aircraft Equipment returned to PS Engineering for any other reason should be shipped in the original PS Engineering packaging or other UPS approved packaging 2 3 Eq...

Page 9: ... Damage caused by improper installation will void the PS Engineering warranty 2 4 1 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 The PAR100EX power supply is specifically designed to reduce conducted electrical noise on the aircraft power bus by at least 50dB A...

Page 10: ...g headsets cannot improve on older avionics that were designed for cabin speaker use PS Engineering makes no claim that the audio panel will provide a noise free audio quality under all in stallation conditions particularly with older avionics 2 4 2 Audio Panel Tray and Connector Assembly The rack connectors mate with two 44 pin connectors in the PAR100EX The connectors are a sub miniature crimp t...

Page 11: ...y external PTT as required See Appendix A 2 4 5 Audio Panel interface The PAR100EX is designed to interface with standard aircraft avionics and presents a 500 receiver impedance For best results a twisted shielded cable is recommended from the avionics audio source to the audio panel with the shield grounded at the audio panel end Inputs A1 and A2 can be used to control navigation receiver audio J...

Page 12: ... 2 2 Radio Selection When properly selected the PAR100EX LCD display will read either COM 1 or COM 2 2 5 3 R760REM Antenna connection The VHF Com radio uses a solder crimp BNC connector Amphenol 31 2 Assemble the RF connector as shown Step 1 Place nut washer and gasket over cable and strip jacket to 5 16 7 9 mm 3 32 Step 2 Comb out braid and fold out Trim insulation off center conductor to 3 32 2 ...

Page 13: ...re the telephone if the telephone also has music streaming capability Otherwise the Smartphone will also take over the music streaming Only one can be a phone If the telephone can provide both telephone and streaming music when the phone is connected it will automatically disconnect the music device If it is possible to turn off the music streaming function on the telephone then both the telephone...

Page 14: ...ring com if 24V operation is desired For 24 volt backlighting systems connect pin 7 to the aircraft dimmer and pins 5 and 6 to ground NOTE If the PAR100EX M760REM is installed in 28V aircraft without properly configuring the unit the M760REM radio will be damaged See 2 9 The LCD display backlighting is controlled by the automatic photocell dimming In addition the text in verts for nighttime mode w...

Page 15: ...lly tested Harness can be ordered with jack or without the intercom jacks installed for easier wire routing through the aircraft 2 7 1 Entertainment Inputs The PAR100EX has two INDEPENDENT inputs wired into the rear connectors in addition to the Blue tooth music streaming which is presented as Music 1 Entertainment input number 1 is J2 pins 23 left channel and 24 right channel with respect to pin ...

Page 16: ...PAR100EX top 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 2 2 There is a spacer on the screw on the front right corner that will fall out Save and retain for later Figure 2 2 Screw Location and disassembly 2 9 Conversion to 12V electrical system As shipped from PS En...

Page 17: ...PS Engineering Inc PAR100EX Audio Selector Panel and Intercom System Installation and Operator s Manual 200 760 0000 Page 2 10 Rev 11 Feb 2013 Figure 2 Jumpers in 24V location ...

Page 18: ...set for 24V operation Jumpers set for 12V operation Jumpers set for 24V operation 2 10 Adjustments The PAR100EX is factory adjusted to accommodate the typical requirements for most aircraft configura tions There are three adjustments accessible through the top cover see 2 8 that allow the installer to fine tune the specific functions Unswitched Input 3 Volume US3 adjust from 50 to 200 of input val...

Page 19: ...ay contrast to suit individual preferences and ambient light Figure 2 3 PAR100EX Cover adjustment locations 2 11 Microphone gain reduction For installations in very noisy aircraft a reduction in the intercom microphone input gain may be desir able The PAR100EX has two DIP switches located on the main board that can switch the inputs to a lower gain setting Remove the top cover see 2 8 and locate t...

Page 20: ...table below Switch Noisy Cockpit Normal Cockpit Switch Bank Pilot Microphone 1 OFF ON 2 ON OFF Copilot Microphone 3 OFF ON J5 4 ON OFF Passenger 1 Microphone 1 OFF ON 2 ON OFF Passenger 2 Microphone 3 OFF ON J4 4 ON OFF Table 2 5 Microphone gain settings 1 2 3 4 5 6 ON OFF ON OFF NOTE If top cover is removed for ANY reason you MUST replace the cover screws with the proper length otherwise damage w...

Page 21: ...he unit 2 12 Reassembly 3 Using the nylon spacer removed in step 2 compress the spacer so it becomes ob long Figure 3 a Install one long screw through the top lid near the front edge on the power supply board side and add then add the nylon spacer from 2 8 Figure 4 4 Place the lid back on the unit aligning holes 5 Install qty 3 more long thread screws into the lid ...

Page 22: ...ut a ground plane must be installed on the inside face of the aircraft skin The ground plane should ideally be circular and as a minimum have a diameter of half the height of the whip The ground plane should be fabricated from a lightweight metal eg thin aluminum sheet For best performance the whip element should be as vertical as possible An al ternative antenna for non metal airframes is the Gro...

Page 23: ...s antenna is installed on the bottom Any antenna relocation must be accomplished in accordance with AC 43 13 2B aircraft manufacturers recommenda tions and other FAA approved technical data WARNING 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 n...

Page 24: ...o attenuate the RF noise signals passing along the wires Symptoms may include 1 Squelch light stays illuminated without any transmit or receive 2 Excessive noise heard in the headset in transmit or receive 3 Garbled or otherwise poor transmit audio particularly when engine is running or revving higher In addition if symptoms occur check all ground connections do a visual and physical check to ensu...

Page 25: ...lot Phones L 17 Aux 1 Audio 17 RS232 RXD 18 Aux 1 Audio Lo 18 No connect 19 Aux 2 Audio 19 No connect 20 Aux 2 Audio Lo 20 Swap 21 No Connect 21 Swap Low 22 Unswitched 3 Lo 22 Music 1 All Headsets 23 No Connect 23 Music 1 L 24 No Connect 24 Music 1 R 25 No Connect 25 Music 1 Lo 26 No Connect 26 Music 2 L 27 No Connect 27 Music 2 R 28 No Connect 28 Music 2 Lo 29 Unswitched 3 29 RS232 TX 30 Com 2 Mi...

Page 26: ...one ear cup only 4 Switch on the unit by pressing the volume VOL knob 5 Check intercom operation 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 blinking stop testing and troubleshoot the micro phone PTT installation 8 Verify proper transmit and receiv...

Page 27: ...uce the com munications receiver sensitivity 4 Verify operation at both high and low end of the frequency band 118 000 to 136 975 MHz if possible 2 18 2 TELEPHONE Checkout Activate the TELEPHONE mode using the Bluetooth device Verify that the pilot headset is connected to the cellular telephone system if installed Verify that by using the pilot side PTT the pilot can transmit on the other selected...

Page 28: ...bility regardless of unit condition Any time power is removed or turned OFF the audio selector por tion will revert to fail safe mode The power switch controls all audio selector panel functions and the intercom All pushbutton selections and menu modes except Bluetooth telephone association will be remembered and return to the last state when turned on 3 2 1 ICS and Music Volume Controls 1 The inn...

Page 29: ...tes the pilot having to switch Com 1 audio back on after changing transmitters When switching from COM 1 to COM 2 while Com 2 was not previously selected COM 1 audio will be switched off In essence switching the mic selector will not override prior selection of COM receiver au dio In normal not split modes the PAR100EX gives priority to the pilot s radio Push To Talk PTT If the copilot it transmit...

Page 30: ...l knob momentarily to transfer standby frequency to the active frequency 3 6 2 Radio Volume and Radio Squelch 7 To change the radio volume or defeat the automatic radio squelch push and hold the frequency select knob for one second until the display changes to the menu Turn the large knob to turn the radio squelch on or off to listen for weak signals and the small knob to adjust the radio receive ...

Page 31: ... individual signal proces sors the ambient noise appearing in all four microphones is constantly being sampled Non voice signals are blocked When someone speaks only their microphone circuit opens placing their voice on the inter com The intercom can be configured for high noise environment by internal switching See 2 10 for more information The system is designed to block continuous tones therefo...

Page 32: ...ically enters the ISO mode to prevent confusion with two intercom conversations The intercom can be changed to the CRW or ALL mode if desired ALL All parties will hear the aircraft radio and intercom Crew and passengers will hear selected enter tainment During any radio or intercom communications the music volume automatically decreases The music volume increases gradually back to the original lev...

Page 33: ...n ISO intercom mode when the PAR100EX 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 to the pilot NOTE Because the cell phone uses an intercom circuit all stations on that circuit will lose intercom capabil...

Page 34: ...ode selected When that conversation stops the music returns to the previous level comfortably over a second or so The Music 1 mute mode functions are controlled through sequential pushes of the Mute button and in clude LED indication of the mode selected MUTE ON music will mute with either intercom or radio MUTE ON button is lit RADIO MUTE Intercom will not mute music radio will mute music RAD LED...

Page 35: ...ering 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 unreasonable use or maintenance as determined by us This warranty is void if there is any attempt to dissemble this product without factory authorization This warranty gives you specific legal rights and you may also have other ...

Page 36: ...itches 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 opens the mic audio path to the ring connection of the PTT mic plug until the button is pressed When the PTT is between the intercom and the headset the intercom function will not work unless the PTT...

Page 37: ...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 scale 0 37 in 3 87 in 5 53 in 6 04 in 0 36 in 0 96 in 1 28 in 6 31in 1 28in Caution Apply steady pressure to the bezel while screwing the unit into the tray to ensure even seating of the unit and connect...

Page 38: ...nc PAR100EX Audio Selector Panel and Intercom System Installation and Operator s Manual 200 760 0000 Appendix B Rev 11 Feb 2013 M760REM Radio Installation Drawings 3 40 in 4 60 in 2 99 in 3 70 in 160 x 400 in 4 places ...

Page 39: ...be grounded at audio panel only Other end remains floating 2 All Power and Ground wires shall be 22 gage wire Lighting 22 AWG other wires minimum 24 AWG 3 All mic and headphone jacks must be isolated from ground 4 All shielded wires must be MIL 22750 or 27500 5 Unswitched inputs are always presented to crew headphones regardless of SPR switch or PTT Unswitched 3 is adjustable 6 All connections for...

Page 40: ...m 24 AWG 2 All shields should be grounded at audio panel only other end remains floating 3 Pins 8 and 9 connected through a 3 A breaker to aircraft power for the audio panel Pin 44 is connected through a SEPARATE 3A breaker to aircraft power for communication radio Breakers must be pull type 4 All shielded wires must be MIL 22750 or 27500 5 For music distribution information see Section 2 5 1 6 Us...

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