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II. INSTALLATION
The MX385 is designed to be an exact replacement for the ARC RT385A and similar
units. As a replacement unit, the MX385 is inserted directly into the mounting tray for
the RT385A and tightened down with a long (11” shaft by .150” diameter) standard
screwdriver.
For new installations, ‘Installation Instructions’ for the RT385A should be used.
To remove the MX385 from the mounting tray it is important to note that the Channel
Selector knobs should not
be used. The first step in removal is to ensure that the
mounting screw has been fully disengaged by rotating the mounting screw
counterclockwise with the tool described above. The unit should then easily slide
forward by grasping the sides of the front panel.
NOTICE TO INSTALLER
The TKM MX385 NAV/COMM is authorized by the FAA to TSO C34e, C36e, C37d, C38d, and C40c. The product is
an incomplete system. In order to achieve a complete TSO quality system, the MX385 must be installed to configure
in conjunction a TSO C37/C38 authorized antenna and a TSO C34 authorized navigation receiver. It is the
responsibility of the installer to ensure proper installation.
CONTINUED AIRWORTHINESS (HBA 98-18)
Permission is hereby given to installers approved by the recognized aviation authority to reference relevant excerpts
from the installation instructions provided by TKM, Inc. in order to fulfill documentation requirements for Instructions
for Continued airworthiness. Adequacy of the documents should not be assumed by this permission. Responsibility
for ICA documentation rests solely with the applicant. The MX385 product is ‘Repair on Condition Only’.
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