Ps-engineering PAR200 User Manual download pdf (Page 23)

PS Engineering Inc. ®

PAR200 Audio Selector Panel, COM radio Controller and Intercom System

Installation and Operator’s Manual

200-228-0000 Page 2-16 Rev. 4, Dec. 2013

2.15 Post Installation Checkout

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

nector pins 10, and 11 . Failure to do so will cause serious internal damage and void PS Engineering's

warranty.

2.16 Unit Installation

To install the PAR200, gently slide the unit into the mounting rack until the hold-down screw is engaged.

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.

2.17 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 C1 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 microphone

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 C1 Xmt button blinks

when transmitting.

9. Verify that pushing the C2 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 C1 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 N1

and N2 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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