PS Engineering PMA7000MS-CD Provozní pokyny stáhnout pdf (Strana 5)

R2 May. 2002

PMA7000MS-Option CD Pilot Guide

ALL: (Middle Position): All parties will hear the aircraft radio and inter-

com. Crew will hear Entertainment 1, passengers will hear Entertainment 2.

During any radio or intercom communications, the music volume automati-

cally decreases. The music volume increases gradually back to the original

level after communications have been completed.

CREW (Down Position): Pilot and copilot are connected on one intercom

channel and have exclusive access to the aircraft radios. They may also lis-

ten to Entertainment 1. Passengers can continue to communicate with them-

selves without interrupting the Crew and also may listen to Entertainment 2.

Anytime the PMA7000MS-CD is in either the COM 1/COM 2, COM 1/COM

3 ("Split Mode"), the pilot and copilot intercom is controlled with the ICS

button. The passengers will maintain intercommunications, but never hear

aircraft radios.

1.6.4 Entertainment Input

The audio selector panel has provisions for two separate entertainment in-

put devices. The PCD7100-R remote CD player is usually installed as Mu-

sic 1, and feeds the pilot and copilot positions. They operate independently

in the PMA7000MS-CD. The music volume control affects the PCD7100-R

music level only in the pilot and copilot positions.

While in the ISO (Isolate) mode, the copilot will hear Entertainment 1 while

the four passengers will hear Entertainment #2. The pilot will hear enter-

tainment 1, at a muted level. In normal operation, whenever a person

speaks, or if the aircraft radio becomes active, the music will automatically

mute and then will gradually return to the original listening level when the

intercom or radio conversation ceases.

When in the ALL mode, pilot and copilot will hear Entertainment 1 input

while all passengers will hear the Entertainment 2 source. While in the

CREW mode, pilot and copilot will hear entertainment input #1 while the

passengers may listen to entertainment input #2.

It is also possible to use just the PCD7100-R as entertainment input device

for both entertainment inputs. However, we suggest that a switch (DPDT)

be installed between PCD7100-R entertainment input #1. This will allow

the pilot to direct the music as desired.

1.6.4.1 Soft Mute and Soft Mute inhibit

The Soft Mute feature assures that the aircraft radio transmissions will not

be missed due to entertainment playing. When there is radio reception or

intercom conversation, the music level is dropped to a low, or background

level. When the radio or intercom traffic ceases, the level gradually returns

to normal.

The front panel ICS switch controls muting of entertainment source #1 (for

R2 May. 2002

PMA7000MS Option CD Pilot Guide

1.4.2 Key “Click”

The PMA7000MS-CD is equipped with a “click” function that provides an

aural feedback to the user in addition to the tactile button push. This sound

can be enabled or disabled by simultaneously holding the COM 1 and COM

2 buttons in for at least 5 seconds. Any person hearing the radios will also

hear the key click.

Allow at least 20 seconds between turning the key click on and off.

1.5 Split Mode

The split mode can be activated at any time by pressing the desired combi-

nation of XMT buttons. For instance, to activate a Com 1/Com 2 split, press

and hold the com 1 button, and then press the Com 2 button while holding

the Com 1 button. This places the pilot on Com 1 and the Copilot on Com

2. The split modes are Com1/Com2 and Com 1/Com 3. The pilot will al-

ways be on Com 1. Pilot on Com 2 or Com 3 and copilot on Com 1 is not

possible.

Split mode for Com 3, in normal (not TEL/Duplex) is possible with pilot on

Com 1, copilot on Com 2 or 3

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.

Note: Split Mode does not turn off other (Nav, ADF, etc.) selected audio to pilot.

However, the copilot will only hear the selected communications receiver.

1.5.1 Split Mode ICS

In split mode, the pilot and copilot are usually isolated from each other on

the intercom while simultaneously using their respective radios. Depressing

the ICS button in Split Mode will activate VOX intercom between the pilot

and copilot positions. This permits intercommunication when desired be-

tween the crew. Pressing the ICS button again disables this crew intercom

function.

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