PS Engineering Avidyne PMA8000B User manual

202-890-0402 Rev. 2 Page 1Oct. 2010 PMA8000B Pilot Guide

Covered under one or more of the following Patent No.

4,941,187, 5,903,227, 6,160,496, 6,493,450

FAA-Approved: TSO C50c, C35d

9800 Martel Road

Lenoir City, TN 37772

www.ps-engineering.com

PMA8000B

PMA8000B–

–Avidyne

Avidyne

Audio Selector Panel

Marker Beacon Receiver

High-fidelity Stereo Intercom System

Pilot’s Guide

and

Operation Manual

202-890-0402 Revision 2 October 2010

Applicable to units with Serial Number X04748 and above

Page 2 202-890-0402 PMA8000B Avidyne Pilot Guide

This pilot guide provides detailed operating instructions for the PS

Engineering PMA8000B, Audio Selector Panel/Intercom Systems.

This unit was developed exclusively for Avidyne for use with Ente-

gra Integrated Avionics System Release 9. Please read it carefully

so that you can take full advantage of its capabilities.

This publication covers the basic operating areas of the PMA8000B

systems. They are Com Transceiver Selection, Audio Selector, Inter-

com, and Marker Beacon Receiver, utility jack and the configuration

buttons.

PMA8000B controls

Power Switch (1) (EMG-Fail Safe Operation)

Unit power is turned on and off by pushing the volume knob. In the

OFF or "EMG" position, the pilot headset is connected directly to

Com 1 as well as unswitched input #1. This allows communication

capability regardless of unit condition. Any time power is removed or

turned OFF, the audio selector will revert to fail-safe mode.

The power switch controls all audio selector panel functions, inter-

com and marker beacon receiver. All pushbutton selections will be

remembered and return to the last state when turned on.

Communications Transmit (XMT) Selection (2)

There are two pushbuttons associated with the transmitter selection.

The two lower buttons (# 2) control which transceiver is selected for

transmit. The top row of pushbuttons (# 3) allows selection of the re-

ceiver audio. Push the lower button to select the desired COM trans-

mitter.

The PMA8000B-Series has an automatic selector system. Audio from

202-890-0402 Rev. 2 Page 3Oct. 2010 PMA8000B Pilot Guide

the selected transceiver is automatically heard in the headsets and

speaker (if selected). You can check this function by switching from

COM 1 transmitter to Com 2 transmitter by pressing the COM 2 trans-

mitter selector pushbutton. Note that the associated Com 2 receive

pushbutton indicator light that is located immediately above the Com

2 transmitter pushbutton turns green. This guarantees that the pilot

will always hear the , so that when switching transmitters from COM 1

to COM 2, if COM 2 audio was previously selected, COM 1 audio will

continue to be heard. This eliminates the pilot having to switch Com 1

audio back on, after changing transmitters.

When switching from COM 1 to COM 2 while Com 2 was not previ-

ously selected, COM 1 audio will be switched off. In essence, switch-

ing the mic selector will not override prior selection of COM receiver

audio.

In normal (not split) modes, the PMA8000B gives priority to the pi-

lot’s radio Push-To-Talk (PTT). If the copilot it transmitting, and the

pilot presses his PTT, the pilot’s microphone will be heard over the

selected com transmitter.

In TEL mode, the pilot microphone and headphones are connected to

the cell phone. The pilot PTT will switch the pilot mic to the selected

com transceiver, and allow continued aircraft communications to con-

tinue. (See Page 4—TEL—for more details)

The copilot will also be able to transmit on the other selected radio

with his PTT as well.

Split Mode

The split mode can be activated at any time

by pressing the COM 1 and COM 2 XMT

buttons at the same time. This places the

pilot on COM 1 and the copilot on COM 2.

Pilot on COM 2 and Copilot on COM 1 is not

possible.

When the split mode is activated, the intercom between the pilot and

copilot is inhibited, although the passengers can still talk among

themselves.

The crew intercom can be reactivated if desired by pressing the

“Mute” button. The indicator LED in the Mute button will be green

when the intercom is off (muted), and turn off to indicate that the in-

tercom is not muted, and the crew can speak to each other.

Page 4 202-890-0402 PMA8000B Avidyne Pilot Guide

NOTE: Due to the nature of VHF communications signals, and

the size constraints in general aviation aircraft, it is probable

that there will be some bleed-over in the Split mode, particularly

on adjacent frequencies. PS Engineering makes no warranty

about the suitability of Split Mode in all aircraft conditions.

Audio Selector (4)

Navigation receiver audio

is selected through three

momentary, push-button,

backlit switches. You will

always hear the audio

from the selected trans-

ceiver.

The users can identify which receivers are selected by noting which

green switch LEDs are lit. Navigation aid audio push buttons are la-

beled Nav 1, Nav 2, and MKR (Marker). If DME is present, it will be

controlled by the Mon1 button. When one of these buttons is pressed,

the mode is active, and the LED will illuminate. Press the switch

again and it will be "off" and remove that receiver from the audio out-

put.

In SPLIT mode, only the pilot will hear selected navigation audio.

Monitor Function (11)

The MON 1 and Mon 2 buttons allow the pilot to listen to the standby

frequencies selected by the Entegra ACD215 Control/Display Unit.

Monitored audio is muted during transmission to prevent bleed

through.

Note: Split Mode does not turn off Nav, Monitor or ADF selected au-

dio to pilot. However, the copilot will only hear the selected com re-

ceiver and unswitched inputs. MON selection is muted during transmit.

202-890-0402 Rev. 2 Page 5Oct. 2010 PMA8000B Pilot Guide

Telephone (TEL) (9)

The TEL mode serves as a full duplex interface and

distribution for portable cellular phones with ear-

piece jacks. Pressing the TEL button activates the

telephone mode.

This connects the telephone to the users as follows:

In ALL intercom mode, all crew and passengers will be heard on the

phone when they speak. Com and other selected radio audio is also

heard in the headsets. If the pilot or copilot pushes the radio PTT,

their mic will be transferred to the selected Com radio. The telephone

party will not hear ATC communications, and vice versa.

In CREW mode, only the pilot and copilot are connected to the tele-

phone. Passengers will not hear the telephone. The pilot and copilot

will also have transmit capability on the other selected transceiver.

In ISO intercom mode, when the PMA8000B is in the TEL mode,

the pilot position is in the "Phone Booth." Only the pilot will hear the

telephone, and only he will be heard. He will also have access to Com

1 or 2, and will transmit on that radio using the PTT. All selected au-

dio is provided to the pilot.

Speaker Amplifier (5)

The SPR in the lower right section stands for

speaker. This switch will place all selected audio

on the cockpit speaker when this switch is se-

lected. Except for the unswitched audio, the

speaker amplifier is not active in the "Split

Mode”.

Unswitched audio 1, 3 and 4 (the inputs dedi-

cated to autopilot disconnect, altimeter warning,

etc.) may come through the speaker regardless of the speaker button

position.

Depending on installation, important audio annunciations such as ra-

dar altimeter or autopilot disconnect will come over the speaker even

Note: As shipped from PS Engineering, the PMA8000B does not provide cellular telephone

sidetone (the user’s voice fed back to the headset). Some cell phones do not provide sidetone.

In PMA8000B Avidyne audio panels serial number X04748 and above, telephone sidetone

can be enabled by pressing the Shift (MON 1) and TEL buttons for more than one second.

Because the cell-phone uses an intercom circuit, all stations on that circuit will lose intercom

capability when the cell phone is in use, unless sidetone is present.

Page 6 202-890-0402 PMA8000B Avidyne Pilot Guide

if it is not selected, while other unswitched, but muted inputs, such as

GPS alerts, will only be present if the SPR button is selected. Consult

your professional avionics installer for these important configuration

details.

Public Address Function

To access PA function, press the Mute

and SPR buttons simultaneously. The

Mute and SPR LEDs will blink to in-

dicate the audio panel is in PA mode.

The copilot can continue to use the

selected com radio while the pilot will now be heard over the speaker.

To exit PA mode, push Mute and SPR again.

Headset

Manufacturer

Model Part Number

Bose Dynamic

Electret

M87

90010

90015

90020

David Clark H10-30

H10-20, H10-40

H10-13.4, 13X

H20-10X

90010

90015

Lightspeed All 90015

Peltor 7003

ANR Pro, 7000

90010

90015

Pilot 11-20, 11-90, 1776, DXL 90015

Sennheiser All 90015

Telex Airman 750, AIR4000

AIR3000, Echelon 100

90010

90015

Oregon Aero MicMuff Part Numbers

Note: For optimum microphone performance, we recommend

use of a Microphone Muff Kit from Oregon Aero (1-800-888-

6910). This will not only optimize VOX performance, but will

improve the overall clarity of all your communications.

202-890-0402 Rev. 2 Page 7Oct. 2010 PMA8000B Pilot Guide

Intercom Operation

IntelliVox® VOX-Squelch

No adjustment of the IntelliVox® squelch control is necessary. There

is no field adjustment. Through three individual signal processors, the

ambient noise appearing in all six microphones is constantly being

sampled. Non-voice signals are blocked. When someone speaks, only

their microphone circuit opens, placing their voice on the intercom.

The system is designed to block continuous

tones, therefore people humming or whistling

in monotone may be blocked after a few mo-

ments.

For consistent performance, any headset micro-

phone must be placed within ¼-inch of your

lips, preferably against them. (ref: RTCA/DO-

214, 1.3.1.1 (a)). It is important to have the

microphone element parallel to your mouth,

and not twisted inside the cover.

It is also a good idea to keep the microphone out of a direct wind

path. Moving your head through a vent air stream may cause the In-

telliVox® to open momentarily. This is normal.

The IntelliVox® is designed to work with normal aircraft cabin noise

levels (70 dB and above). Therefore, it may not always recognize

speech and clip syllables in a quiet cabin, such as in the hangar, or

without the engine running. This is also normal.

Intercom Volume Control (7)

The small volume control knob adjusts the loudness of the intercom

for the pilot and copilot. It has no effect on selected radio levels, mu-

sic input levels or passengers' volume level.

The larger, outer volume control knob controls intercom volume or

the passengers. It has no effect on radio or music levels.

Adjust the radios and intercom volume for a comfortable listening

level. Most general aviation headsets today have built-in volume con-

trols; therefore, volume also can be further adjusted at the individual

headset.

Mono Headsets in Stereo Installation

The pilot and copilot positions work with stereo or mono headsets.

Page 8 202-890-0402 PMA8000B Avidyne Pilot Guide

All passenger headsets are connected in parallel. Therefore, if a mon-

aural headset is plugged in to a PMA8000B Stereo installation, one

channel will be shorted. Although no damage to the unit will occur,

all passengers will lose one channel, unless they switch to the

“MONO” mode on the headset.

Intercom Modes (8)

The “ICS” pushbutton switch

on the left side of the panel pro-

vides the selection of the three

intercom modes. The descrip-

tion of the intercom mode func-

tion is valid only when the unit

is not in the "Split" mode. Then,

the pilot and copilot intercom is

controlled with the Mute button.

This button cycles through the intercom modes, from top to bottom

and then back up, ISO, ALL, Crew, ALL, and ISO. An LED shows

the active mode .

ISO:The pilot is isolated from the intercom and is connected only to

the aircraft radio system. He will hear the aircraft radio reception (and

sidetone during radio transmissions).

While in ISO Mode, the pilot can elect to hear music #1. First, be sure

that the ISO mode is selected. Then press and hold the MON 1 button,

and then hold the ICS mode button for more than one second. The

ICS indicator will blink slowly to indicate music is present in ISO.

The music muting will follow the selected modes.

The copilot and passengers will hear the music sources as configured

by the audio panel configuration Function keys. See page 11—Smart

Function Keys for more details.

ALL:All parties will hear the aircraft radio and intercom. Crew will

hear Entertainment 1, passengers can hear Entertainment 1 or 2. Dur-

ing any radio or intercom communications, the music volume auto-

matically decreases. The music volume increases gradually back to

the original level after communications have been completed.

CREW: Pilot and copilot are connected on one intercom channel and

have exclusive access to the aircraft radios. Again, the music that the

crew and passengers will hear is determined by the Smart Function

Keys.

202-890-0402 Rev. 2 Page 9Oct. 2010 PMA8000B Pilot Guide

Marker Beacon Operation (10)

The Marker Beacon

Receiver uses visual

and audio indicators

to alert you when the

aircraft passes over a

75 MHz transmitter.

The Blue lamp, labeled “O”, is the Outer Marker lamp and has an

associated 400-Hertz 'dash' tone. The lamp and tone will be keyed at a

rate of two tones/flashes per second when the aircraft is in the range

of the Outer Marker Beacon.

The Amber lamp, labeled “M”, is the Middle Marker lamp and is cou-

pled with a 1300 Hertz tone. It is keyed alternately with short 'dot' and

long 'dash' bursts at 95 combinations per minute.

The White lamp, labeled “I”, is the Inner marker and has a 3000 Hertz

'dot' tone. The lamp and tone will be keyed at a rate of six times per

second.

The audio from the Marker Beacon Receiver can be heard by select-

ing the "MKR" push-button switch. To adjust the volume level, there

is a service adjustment located on the top of the unit.

A pushbutton is used to set the receiver sensitivity and to test the indi-

cator lamps mute the marker audio.

Use "HI" sensitivity initially. This allows you to hear the outer

marker beacon about a mile out. Then touch the smaller MKR button

to switch into Low Sensitivity mode. “LO” sensitivity gives you a

more accurate location of the Outer Marker. Holding the MKR button

for one second activates marker test lamp, labeled "T/M" and illumi-

nates all three lamps simultaneously to assure the lamps (internal and

external) are in working order. TST does not activate MM autopilot

sense output. Releasing the button returns to the last sensitivity.

Pressing the marker mode select (“T/M”) for one second will also

cause the marker audio to mute for that beacon. The next beacon re-

ceived will re-activate the audio.

Internal Recorder System

The Intercom Recording System is a digital recording system allow-

ing automatic storage and playback of aircraft radio traffic.

Operating as a continuous loop recorder, (first message received will

Page 10 202-890-0402 PMA8000B Avidyne Pilot Guide

be the last heard), the recorder has 60 seconds of recording time, or

up to 8 messages. With its own built in VOX circuit, there are no but-

tons to press to start recording.

The system automatically begins

to record the instant the radio

becomes active. Only the com

radio selected for transmit is re-

corded, and only the pilot and

copilot will hear the playback

audio.

Operation

Recording is automatic. To play back the last recorded message, press

and hold the COM Receive pushbutton associated with the selected

radio transmitter for about one (1) second. You can either wait for the

message to finish playing before accessing the prior message or can-

cel the playback. To cancel the playback, press and hold the COM

Receive playback button for two seconds (2). The next time the but-

ton is pressed for one (1) second, the next earlier message will be

heard.

The playback will stop whenever there is more incoming selected

com audio, and the message can be replayed from the beginning by

pressing the COM playback button..

Utility Jack

The 2.5 millimeter (3/32”) jack on the front of the

PMA8000B has three distinct functions:

• Cell phone input

• Advisory audio input

• Music input

The use of this jack is controlled by three Smart Function Keys (SFK)

controlled from the front panel. See Page 11—Smart Function Keys.

Cellular phone

When a cellular telephone is

connected to this jack using a

2.5 mm to 2.5 mm adapter

cord (PS Part Number 425-

006-7026), the PMA8000B

audio panel will connect the

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