Installation manual
PS Engineering 
PMA6000 Series Audio Selector Panel and Intercom System 
Installation Manual 
200-066-0100  Page iii  Rev. 1, March 2005 
3.5  Split Mode (6000C, 6000MC) ................................................................................................. 3-2 
3.6  Intercom ................................................................................................................................... 3-3 
3.6.1  Volume Control, Monaural (6000, 6000M, 6000C, 6000MC)............................................ 3-3 
3.6.2  Adjusting the VOX-Squelch control, (6000, 6000M, 6000MC)......................................... 3-3 
3.6.3  Intercom Modes................................................................................................................... 3-3 
3.6.4  Push to talk intercom mode ................................................................................................. 3-4 
3.6.5  Internal Recorder System (Option IRS, only) ..................................................................... 3-4 
3.7  Marker Beacon (PMA6000M, PMA6000M-C)....................................................................... 3-5 
3.7.1  Middle Marker Sense........................................................................................................... 3-5 
3.7.2  External Marker Lights (6000M, 6000MC) ........................................................................ 3-5 
3.7.3  External Marker Audio Input (6000, 6000C)...................................................................... 3-5 
3.7.4  Receiver Sensitivity............................................................................................................. 3-5 
  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- Installation Drawing.........................................................................................................B 
  Appendix D Top Connector wiring (Mono), PMA6000, PMA6000C, PMA6000M, PMA6000M-CD 
  Appendix F -Instructions for Continuing Airworthiness and FAA Form 337 ..................................E 
  Appendix G RTCA DO160B Environmental Qualification Form..................................................... F 
Table of Figures 
Figure 1-1 PMA6000M............................................................................................................................... 1-2
Figure 1-2 PMA6000M-C........................................................................................................................... 1-2 
Figure 2-1 Adjustments............................................................................................................................... 2-6 
Figure 3-1 Audio Selector........................................................................................................................... 3-1 
Tables 
Table 3-1 Intercom Modes .......................................................................................................................... 3-4 
Revision History 
Rev By  Date  Change 
1  GLP  March 2005  New release of PMA6000 Mono only manual, removing obsolete Stereo references 










