PS Engineering PAC24 Especificações descarregar pdf (Página 28)

PS Engineering

PAC24 Series Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-240-0010 Page 3-5 Rev. 25, Feb. 2015

For optimum microphone performance, PS Engineering recommends installation of a Micro-

phone Muff Kit from Oregon Aero (1-800-888-6910). This will not only optimize VOX perfor-

mance, but will improve the overall clarity of all your communications.

Table 3-1 Mic Muff ™ Part Numbers

Manufacturer

Model

Mic Muff™ Part Number

Bose

Dynamic

Electret

M87 Dynamic

90010

90015

90020

David Clark

H10-30

H10-20, H10-40

H10-13.4

90010

90015

Lightspeed

15K & 20K

90015

Peltor

7003

7004

90010

90015

Pilot

11-20 & 11-90

90015

Sennheiser

90015

Telex

Airman 750

AIR3000

90015

90010

3.7.2 Volume Control (3)

The volume control is a concentric knob. The inner knob adjusts the loudness of the intercom for the pilot

(in single panel installation) and the outer knob controls copilot and passenger volume. It has no effect on

selected radio levels or music input levels.

In dual installation, the inner knob controls the main volume (the person connected to the audio panel) and

the outer knob controls the passengers.

NOTE: When a panel mounted IntelliPax (11606) expansion unit is used, both the PAC24 and the panel

mounted expansion volume controls are active. We recommend turning the IntelliPax volume control com-

pletely CCW (lowest) and then using the PAC24 panel volume control to adjust the passengers’ volume. If

the remote IntelliPax expansion (11606R) is used, the PAC24 volume control is used to adjust the passen-

gers’ volume.

3.7.3 Intercom Modes (5)

The lower switch on the left side of the audio panel is a 3-position mode switch that allows the crew to tai-

lor the intercom function to best meet the current cockpit situation.

3.7.3.1 Single Installation Intercom Modes

ISO: (Up Position): The pilot connected to the PAC24 is isolated from the intercom and is connected only

to the aircraft radio system. He will hear the selected aircraft radio reception (and sidetone during radio

transmissions). The copilot will hear passengers’ intercom and entertainment, while passengers will hear

copilot, intercom and entertainment.

ALL: (Middle Position): All parties will hear the aircraft radio and intercom. All will hear entertainment.

During any radio or intercom communications, the music volume automatically decreases. The music vol-

ume increases gradually back to the original level after communications have been completed.

CREW (Down Position): Pilot copilot and passengers are connected on one intercom channel and have ac-

cess to the selected aircraft radios. They may also listen to Entertainment. Because the single panel, non-

expansion PAC24 (and KMA 24H) uses the same output for the copilot and passenger, “Crew” mode is not

possible (Unless expansion module, p/n 11606 is used)

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