Ps-engineering PDA360EX Installation Manual User Manual download pdf (Page 27)

PS Engineering Inc. ®

PAR100EX Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-760-0000 Page 2-20 Rev. 12, Jan. 2014

2.16 Post Installation Checkout

After wiring is complete, verify power is ONLY on pins 8, 9 and 44 of the J2 and airframe ground on

connector pins 10, 11 and 43. Failure to do so will cause serious internal damage and void PS Engineer-

ing's warranty.

2.17 Unit Installation

To install the PAR100EX, gently slide the unit into the mounting rack until the hold-down screw is en-

gaged. While applying gentle pressure to the face of the unit, tighten the 3/32" hex-head in the center of

the unit until it is secure. DO NOT OVER TIGHTEN.

CAUTION

Apply steady pressure to the bezel while screwing the unit into the tray to ensure even seating of the unit

and connectors.

WARNING

Do not over-tighten the lock down screw while installing the unit in tray. Internal damage will result.

2.18 Operational Checkout

NOTE

The IntelliVox® is designed for ambient noise levels of 80 dB or above. Therefore some clipping may oc-

cur in a quiet cabin, such as without the engine running, in a hangar. This is normal.

1. Apply power to the aircraft and avionics.

2. Plug headsets into the pilot, copilot, and occupied passenger positions.

3. Verify fail-safe operation by receiving and transmitting on com 1 from the pilot position, with the

audio panel power off. The Com audio will be present in one ear cup only.

4. Switch on the unit by pressing the volume (VOL) knob.

5. Check intercom operation.

6. Push the Com 1 Xmt select button (lower row).

7. Verify that both of the Com 1 buttons light. Verify that transmit button LED (Light Emitting Diode)

near the mic selector is not blinking. If the LED is blinking, stop testing and troubleshoot the micro-

phone PTT installation.

8. Verify proper transmit and receive operation from the copilot position, noting that the copilot PTT

switch allows proper transmission on the selected transceiver. Verify that the Com 1 Xmt button

blinks when transmitting.

9. Verify that pushing the COM 2 button causes the button to illuminate, and the Com 2 receiver to be

heard. Verify operation on Com 1 from the pilot position.

10. Repeat for Com 2

11. Press and hold the Com 1 Xmt button. While holding the Com 1 button, press the Com 2 Xmt button.

This places the unit in “Split Mode;” Verify that the pilot can transmit and receive on Com 1, while

the copilot transmits and receives on Com 2.

12. Verify proper operation of all receiver sources by selecting them using the appropriate means. The A1

and A2 indicators illuminate to show which navigation audio source is in use.

13. Verify that the appropriate LED in the lower button row blinks when either push to talk is keyed.

14. Verify proper Intercom system operation in the ALL, ISO and CREW modes (see Table 3-1).

15. Verify that the audio selector panel system does not adversely affect any other aircraft system by sys-

tematically switching the unit on and off, while monitoring the other avionics and electrical equip-

ment on the aircraft.

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