PS Engineering
PAC45 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-0000 Page 2-14 Rev. 7, May 2019
2.8.3.1 TEL Checkout
Pair the PAC45 with a Bluetooth telephone device. Verify that the pilot headset is connected to
the cellular telephone system (if installed). The telephone function will allow any person heard
by the pilot on the intercom, also heard on the telephone.
To make or receive a phone call, you must press the TEL switch in the OUT position on the audio
controller panel and verify the volume is turned to an acceptable volume.
The PAC45 has the ability to turn the telephone audio completely off by turning the TEL volume
knob all the way CCW.
2.9 Final Inspection
Verify that the wiring is bundled away from all controls and no part of the installation interferes
with aircraft control operation. Move all controls through their full range while examining the
installation to see that no mechanical interference exists. Verify that the cables are secured to
the aircraft structure in accordance with good practices, with adequate strain relief. Ensure that
there are no kinks or sharp bends in the cables and coaxial cables. Verify that the cables are not
exposed to any sharp edges or rough surfaces, and that all contact points are protected from
abrasion.
Complete documentation that may be required, such as a logbook entry, weight and balance
computation and FAA Form 337. Sample text for FAA Form 337, and instructions for continuing
airworthiness can be found in Appendix F. Return completed warranty registration application
to PS Engineering, or complete online at www.ps-engineering.com.