PS Engineering PM1000 Operation And Installation Manual

2-place intercom system

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9800 Martel Road
Lenoir City, TN 37772
PM1000
2-Place Intercom System
Operation and Installation Manual
FAA-Approved
TSO C50c
PS Engineering, Inc. 2001 ©
Copyright Notice
Any reproduction or retransmittal of this publication, or any portion thereof, without the expressed written permission of PS
Engineering, 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
200-190-0002
Document P/N 200-190-0002
Revision 2 Jan.1998
1
Rev. 2, Jan. 2001
PS Engineering Incorporated
PM 1000 FAA TSO Approved Intercom
Installation and Operation Manual
Section I General Information
1.1
Introduction
The PM1000 is an FAA-TSO approved, panel mounted, 2-place intercom system (ICS). Please read this
manual completely before installation to minimize the risk of damage to the unit and to become familiar with
all the features.
1.2

Scope

This manual contains installation and operational instructions for the following PS Engineering unit:
Model
PM1000
2-place intercom system
1.3

Description

The PM1000 is a 2-place, panel-mounted intercom with individual volume and squelch controls for the pilot
and copilot positions.
A front panel mode switch allows the pilot to select one of two possible configurations:
"ISO" mode isolates the pilot from the intercom and connects to the aircraft radio. The copilot can continue
listen to entertainment without distracting the pilot. This position will not hear radio communications.
"ALL" mode places all headsets on a party line. Each one hears aircraft radio, entertainment and can use the
intercom.
The PM1000 has an automatic fail-safe interconnect to the aircraft radio. If power to the intercom is
disrupted, an internal relay will connect the pilot's headset to the aircraft radio. This allows continuous radio
communications. Note: The copilot will no longer hear aircraft radio when power is removed.
The LED shows green when power is applied to the unit.
An auxiliary input is provided, allowing the pilot and copilot the option to listen to music during flight.
During intercom activity, this music is automatically muted to allow communications without distraction.
When the activity ceases, the music returns to the original listening volume.
Note: the music is NOT muted during radio reception. During times when radio communication is vital, the
pilot should select "ISO" mode. Other occasions where radio is of lessor importance, it is possible to put the
intercom in the background by reducing the PM1000 volume. The pilot volume control doesn't effect the
volume of the aircraft radio, so it can be adjusted to a more prominent level.
Both pilot and copilot have transmit capabilities over the radio. The PM1000 allows only the person who
presses their PTT to be heard over the aircraft radio. If both pilot and copilot press the PTT at the same time,
200-190-0002
Description
Part Number
2
Rev. 2, Jan. 2001
11900

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Summary of Contents for PS Engineering PM1000

  • Page 1 Revision 2 Jan.1998 intercom. The PM1000 has an automatic fail-safe interconnect to the aircraft radio. If power to the intercom is PS Engineering, Inc. 2001 © disrupted, an internal relay will connect the pilot's headset to the aircraft radio. This allows continuous radio Copyright Notice communications.
  • Page 2 Installation and Operation Manual the copilot will override (Ideally suited for training environments). Pilot regains priority by switching the unit off. Approval Basis The PM1000, part number 11900 is FAA-approved under TSO-C50c. Specifications Input power: 13.8 - 27.5 Volts DC Current Drain: <110 mA (Externally fused at 1 Amp)
  • Page 3 Auxiliary Aircraft Radio Headset Jacks. Finally, install new headset jacks into the aircraft and connect 430-001-0003 Aluminum doubler plate them directly to the appropriate pins of the PM1000. See the wiring diagram for all details of the wire 425-025-0002 25 pin Sub-d male connector harness interconnects.
  • Page 4 No built in PTT switch at all. The PM1000 was designed to work with 12.8 to 27.5 volt DC negative ground systems. The PM1000 must Two built-in PTT must be installed or two external, modified PTT switches will be required for both the pilot be externally protected with a one ampere (1A) circuit breaker or fuse.
  • Page 5 Installation and Operation Manual Installation and Operation Manual a power failure to the PM1000, or if the power switch is turned off, the copilot will not hear the aircraft radio. Only the pilot is connected directly to the aircraft radio.
  • Page 6 When received from the manufacturer, an after-market PTT switch opens the mic audio path to the "ring" Call PS Engineering, Inc. at (865) 988-9800 before you return the unit. This will allow the service technician connection of the PTT mic plug. When the PTT is between the intercom and the headset, the intercom to provide any other suggestions for identifying the problem and recommend possible solutions.
  • Page 7 Power In 11-33 VDC Ground The PM1000 is considered an “on-condition” maintenance item. It is checked prior to each flight during To Aircraft Radio Phone Hi normal operation. There are no additional considerations for continuing airworthiness other than the practices...

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