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Revision 7 Feb. 2008 Page 1 200-118-0005

9800 Martel Road

Lenoir City, TN 37772

(865) 988-9800 FAX (865) 988-6619

www.p s-engineering.com

PM501

Low Cost 4-Place

Panel Mounted Intercom

Operator's and Installation Manual

NOTICE: Warranty is not valid unless

this product is installed by an Authorized

Engineering

dealer, or a PS Engineering

made

Document Number 200-118-0005

Revision 7, February 2008

Sound Quality. Sound Engineering.

harness is used.

Summary of content (6 pages)

PAGE 1
Sound Quality. Sound Engineering. 9800 Martel Road Lenoir City, TN 37772 (865) 988-9800 FAX (865) 988-6619 www.ps-engineering.com PM501 Low Cost 4-Place Panel Mounted Intercom Operator's and Installation Manual NOTICE: Warranty is not valid unless this product is installed by an Authorized PS Engineering dealer, or a PS Engineering made harness is used. Revision 7 Feb.
PAGE 2
Introduction Specifications Input power: 12-28 Volts DC Current Drain: < 70 mA Externally fused at 1 Amp Headphone Impedance: 150-1000 ΩTypical Congratulations on your purchase of a PM501 intercom! We at PS Engineering welcome you to our family. The PM501 is a panel mounted, 4-place intercom that offers an intelligent low cost alternative for budget minded pilots who still want quality sound and performance. This manual provides information on the installation and operation of the PM501.
PAGE 3
1. Drill five holes as indicated in a location convenient to the pilot position(s). 2. Once the holes have been drilled, insert the PM501 from behind the instrument panel through the holes for the knobs and switch. Electrical Noise Issues NOTE: Do not remove the nuts from the volume and squelch controls. 3. Depending on the panel thickness (< 0.040”) you may elect to use a locally fabricated aluminum faceplate to provide additional support.
PAGE 4
sette player, etc.) can be connected to the PM501. You may want to install a ⅛" connector (not provided) somewhere in the panel so that you can easily connect an entertainment device. The entertainment will be automatically muted when the ICS becomes active. The “Soft Mute™” feature slowly returns the music to full volume when the ICS is quiet. NOTE: Aircraft radio reception DOES NOT mute the entertainment.
PAGE 5
All (Down position): All parties will hear the aircraft radio reception and transmissions, intercom, and music. However, during any intercom activity, the music volume automatically decreases. The music volume increases gradually back to the original level after communications have been completed. The radio traffic will not mute the music. NOTE: When either the pilot or copilot PTT is depressed, all microphones are off except for the transmitting one. Warranty PS Engineering, Inc.
PAGE 6
PM501 Operation/Installation Manual MUSIC PASS 2 MIC PASS 1 MIC COPILOT PTT COPILOT MIC PILOT PTT PILOT MIC A/R MIC AUDIO A/R PTT A/R PHONES INPUT PASS PHONES HI COPILOT PHONES HI PILOT PHONES HI 12 -- 24 VDC INPUT POWER GROUND Connector as viewed from instrument panel Microphone 8 7 6 5 4 3 2 1 15 14131211 10 9 Ring (mic audio) TIP (PTT) TIP (phone audio) Page 6 Barrel (gnd) Headphone Barrel (audio gnd) Revision 7, Feb 2008 2 9 Pass 1 Mic Audio Hi Pass 1 Mic Audio Lo Pass 2 Mic