PS Engineering PMA7000CAP User Manual

Sound Quality. Sound Engineering

Sound Quality. Sound Engineering

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PMA7000M-S CAP Operation

PS Engineering, Inc.

PS Engineering, Inc.

Prepared by Gary Picou

Lenoir City TN [phone]
[e-mail]

1

PMA7000M-S Standard Versions

Standard Version PMA7000M-S

2

PMA7000M-S ‘Civil Air Patrol’

Added Split Com Modes

Black buttons, silver trim

Com 3 Button

3

PMA7000MS-CAP Operational Training

Demo PMA7000MS

(NOT AIRWORTHY)

Pilot Headset

Com SWAP button

Copilot Headset

Only pilot and copilot positions operate

Aircraft Radio Input (Com 1 Only)

4

The PMA7000M-S Features:

• Full-function audio control panel:

– 3 coms, 2 navs, ADF, DME
– 3 light marker beacon receiver

• PS Engineering’s innovative:

– Com1/Com2 /Com 3 Sp l it Mode for cockpit

resource management
– Swap Mode for ease of operation
– 6-pole filtered mic circuits for less noise, better

clarity

5

Revolutionary Intercom

• All, ISO and Crew modes

• 6-Place

– Dual, independent auxiliary inputs

Stereo intercom

Stereo

• Introducing IntelliVox™

– Six INDEPENDENT mic sampling circuits
– Constantly monitoring and adjusting VOX level
– Field proven in helicopters and high noise cockpits
– NO MANUAL ADJUSTMENT -EVER-

6

Basic Operation

• Push Volume Control to switch on

– Unless in Com 3 mode, at least one com LED

will light.
– Backlighting comes on

• Push Volume control to switch off

– Fail Safe mode places pilot on Com 1
– Copilot/passengers have no audio

• Intercom operation: Just talk

7

PMA7000M-S Operation

Audio Selection

Audio Selection

Com receivers

Nav Receivers

Bright LED
Auto dimmed

Marker, ADF, DME

Cabin Speaker

Com 3 Audio Select

8

Audio Selection

• COM 1 and 2 are momentary buttons

– Receive audio always follows the Mic selector
– Push button to add other com receive audio

• Com 3 audio is latched

• Push Com 1, Com 2 and /or Com 3 to monitor

• Receiver buttons latch

– Positive indication of the selected audio
– LEDs also annunciate audio sources selected

• SPR button places all selected audio
in cabin speaker

9

Transmitter Selection

SPLIT MODE

Pilot and Copilot on Com 1

Pilot and Copilot on Com 2

Pilot and Copilot on Com 3

Transmit Indicator

Pilot on Com 1
Copilot on Com 2

SPLIT MODE
Pilot on Com 1
Copilot on Com 3

SPLIT MODE
Pilot on Com 2
Copilot on Com 3

Yoke Mounted SWAP
reverses the indicated selection

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Transmitter Selection

• Rotary switch controls transmitter selection

– You can’t transmit without listening to the receiver.
– Selector has the same order as the panel -top to bottom, 1-3

• Com 1, Com 2, Com 3

– Pilot and copilot can both transmit on same radio.
– Pilot has PTT priority
– Only person pushing PTT is heard over radio

• Com 1/2

– Pilot transmit and receive on Com 1
– Copilot transmit and receive on Com 2

• Com 2/1

– Vice versa

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CAP Transmitter Combinations

No Swap

No Swap

Com 1/3

Normal Swap

Mic Se-

lector

Com 1 Com 1 Com 1 Com 2 Com 2
Com 2 Com 2 Com 2 Com 1 Com 1
Com 3 Com 3 Com 3

Com1/2 Com 1 Com 2 Com 2 Com 1

Com 2/3 Com 2 Com 3 Com 3 Com 2

If the Com 3 button is pushed in a Com 3 split mode, the pilot
will also hear Com 3 audio, but no transmit.

Pilot Copilot Pilot Copilot

Com 1 Com 3 Com 3 Com 1

Pushing SWAP again, or moving MIC Selector cancels swap

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Who’s talking now?

• Com 1 or Com 2 annunciator flashes
to show which radio is transmitting.

• Pilot hears selected receive audio in
split mode

• If Com 3 is selected he will hear it in
split, and can elect to monitor Com 3
receptions

13

Three transmit positions

• Through an external switch some
aircraft can be configured to
exchange the copilot connection
with the observer position.

• Gives observer position any radio
transmit ability.

• Copilot becomes passenger

14

Split Mode Limitations

• Two comms transmitting
in close proximity may
bleed over.

• Depends on:

– Emission (AM/FM=Better)
– Frequency (> Difference

=Better)
– Transmit Power (lower=Better)
– Antenna location

(Farther=Better)

15

Intercom Functions

Intercom
Volume
CW=Increase

Mode Select

Dual Independent Auxiliary Inputs
Front and back are separated.

IntelliVox™

IntelliVox™

Squelch

ISO Pilot in command

ISO

All Everybody tunes in

All

Crew Front vs. back

Crew

ICS Button

Activates Intercom in Split Modes

Aux muting Control

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Intercom Functions

• Volume Control

– Only affects the intercom level.

• Not , auxiliary not radio.

– Intercom volume control for pilot and copilot only

• Rear passengers are fixed volume.

• Stereo headsets have individual volume controls, can be
adjusted with screwdriver.

• Push on/Push off switch

– Fail-Safe mode connects pilot headset to Com 1 if

unit off, or power removed.

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Intercom Modes

• ISO

– Pilot only hears

radios

– Copilot and

passengers have
intercom

– Copilot hears

Aux 1

– Passengers hear

Aux 2

• ALL

– Everybody

hears

everything
– Radios
– Intercom
– Pilot and

copilot hear

Aux 1
– Passengers hear

Aux 2

• Crew

– Pilot & Copilot

hear radios

– Pilot and

copilot have
separate
intercom

– Passengers have

intercom, no

radios.
– Crew- Aux 1
– Passengers-

Aux 2

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IntelliVox ™

Revolutionary microprocessor system

••Revolutionary

– No manual control
– 6-independent circuits
– constant monitoring

• Just speak normally

– Position microphone close to your lips
– Use a microphone muff
– Avoid direct drafts into microphone
– More noise the better it works

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Intercom Entertainment

• Aux source #1 feeds pilot and
copilot headset.

– is muted whenever the intercom or radios are

active.

• Push “ICS” button to disable muting
of the auxiliary inputs

• Aux 2 feeds rear 4 seats.

– External switch in rear of aircraft to control

Aux 2 muting

ICS

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Marker Beacon Receiver

3-lights:

Marker Modes

High Sense

High

Low Sense

Low

Outer,

O

Middle and IInner

M

Audio Selection

Test Lamps and receiver

Test

21

Marker Beacon Operation

• Receiver always on.

• Select MKR for receiver audio.

• High sense until tone acquired.

– Select low sense if desired to precise station

crossing indication.

• Test function for lamps and audio
circuits.

22

PTT ICS

• Push to talk intercom (PTT)

– For very noisy conditions
– Only for pilot and copilot positions
– Must install ICS PTT button at each position

• PTT-Enable select switch on panel

– Forces IntelliVox squelch closed
– Then use ICS PTT to be heard on intercom

23

Night time dimming

• The backlighting is adjusted by the
aircraft dimmer OR

– Set at a fixed level at installation.

• Annunciators and Marker lamps
controlled by photocell on unit.

– The photodetector has a delay for smooth

transition

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ProSupport Customer Care

• Questions or Comments or Problems :

– Call PS Engineering at [phone]

8:00 am to 5:00 p.m. Eastern time.
– FAX: [phone] any time
– email: [e-mail] or

[e-mail]

• 3-Year warranty

– Replacement for first 12 months
– Repair for following 24 months

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From all of us at PS Engineering. . .

THANK YOU !

THANK YOU !

THANK YOU !

THANK YOU !

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