CHAPTER 23
PAGE 3
PAGE DATE: 1. March 2011
MAINTENANCE MANUAL EXTRA 330LX
23-10-00 SPEECH COMMUNICATION
The EXTRA 330LX can be equipped with various communi-
cation systems. Refer to the Equipment List of the Pilot’
Operating Handbook for identification of the units installed.
Also refer to the applicable vendor documents for suitable
maintenance information.
Independent from the equipment installed, the electric hard-
ware such as switches, circuit breakers, sockets and wiring
is the same.
The control sticks and power levers for pilot and copilot
feature PTT switches. The sockets for connecting the head-
sets are located on the right side of the respective cockpit.
The related wiring is generally fastened to the sticks, levers,
torque tube or steel tubes with cable straps. The wiring can
be easily traced from the switches and sockets to the instru-
ment panel, where it is not guided through cable ducts.
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