Eagle P139-HD, Installation Manual

Page: 48 / 95

Geneva Aviation, Inc. www.GenevaAviation.com
GA182-8 Rev D P139-HD Digital Audio System 14 of 16
4.0 Functional Check
4.1. Perform a check of all power and ground leads to confirm they are
connected properly before applying power to the system. Incorrect wiring
may cause damage to the units.
4.2. Connect headset adapter cables, headsets and switches. Apply power to
audio system, radios and related accessories. Activate ICS and confirm
proper operation. Place ‘PILOT EMERG/NORMAL’ switch in ‘EMERG’
position. Key transmit switch and confirm proper operation of COM1.
4.3.
Place the ‘PILOT EMERG/NORMAL’ switch in ‘NORMAL’ position and
check all transceivers, receivers and audio devices.
4.4.
If the system is equipped with a ‘COPILOT EMERG/NORMAL’ switch,
repeat the steps in sections 4.2 and 4.3 for Copilot position and COM2
respectively.
4.5. Check all pilot, copilot and passenger audio control panels for proper audio
levels and operation. Should adjustments be required, follow the
instructions in document GA063-3.