PS Engineering PMA4000 Installation Manual User Manual
Page 2
PS Engineering
PMA4000 Series Audio Selector Panel and Intercom System
Installation Manual
200-041-0002 Page
ii
Rev 5, March 2007
Table of Contents
Section I GENERAL INFORMATION...................................................................... 1-1
1.1 INTRODUCTION ........................................................................................... 1-1
1.2 SCOPE ............................................................................................................. 1-1
1.3 EQUIPMENT
DESCRIPTION ....................................................................... 1-1
APPROVAL BASIS – FAA- TSO C50c..................................................................... 1-2
1.4 SPECIFICATIONS.......................................................................................... 1-2
1.5 EQUIPMENT
SUPPLIED............................................................................... 1-2
1.6
Optional remote volume control (P/N 250-004-0020) .................................... 1-3
1.7
Optional 2 ¼”mounting plate kit (250-004-0005) ........................................... 1-3
1.8
EQUIPMENT REQUIRED BUT NOT SUPPLIED ....................................... 1-3
1.9 LICENSE
REQUIREMENTS ......................................................................... 1-3
Section II -Installation ................................................................................................ 2-1
2.1 GENERAL
INFORMATION.......................................................................... 2-1
2.1.1 SCOPE ......................................................................................................... 2-1
2.2
Unpacking and Preliminary Inspection............................................................ 2-1
2.3
Equipment Installation Procedures .................................................................. 2-1
2.3.1 Cooling
Requirements ................................................................................. 2-1
2.3.2 Mounting
Requirements .............................................................................. 2-1
2.3.3 Mounting Hole configuration ...................................................................... 2-1
2.3.4 Connector
Assembly.................................................................................... 2-2
2.4
Cable Harness Wiring...................................................................................... 2-2
2.4.1 Noise ............................................................................................................ 2-2
2.4.2 Entertainment
Input ..................................................................................... 2-3
2.4.3 Radio
Push-to-Talk ...................................................................................... 2-3
2.4.4 Power and 28 VDC Dropping Resistor........................................................ 2-4
2.4.5 Backlighting................................................................................................. 2-4
2.4.6 Intercom ....................................................................................................... 2-4
2.4.7 Digital recorder (11941 only) ...................................................................... 2-4
2.5 Adjustments ..................................................................................................... 2-5
2.6 Panel
Installation.............................................................................................. 2-5
2.7
Post Installation Checkout ............................................................................... 2-5
2.7.1 Operational
Checkout .................................................................................. 2-6
2.8 Final
Inspection................................................................................................ 2-6
Section III OPERATION ......................................................................................... 3-1
3.1 SCOPE ............................................................................................................. 3-1
3.2 Audio
Selector ................................................................................................. 3-1
3.2.1 Intercom Mode Selector Switch .................................................................. 3-1
3.2.2 Speaker
Amplifier........................................................................................ 3-2
3.3
Mic Selector Switch......................................................................................... 3-2
3.3.1 Volume
Control ........................................................................................... 3-2
3.3.2 VOX-Squelch
Control ................................................................................. 3-2
3.3.3 Intercom
Modes ........................................................................................... 3-3
3.3.4 Push to talk intercom mode.......................................................................... 3-4