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Appendix
Problem Possible Cause Action
SL30 does not power on No power to the SL30 Check power connections,
breakers, and main avionics
switch
Faulty electrical wiring or
connection
Contact your dealer to per-
form electrical system test
No Nav audio Output disabled or set to a
low level
Check System page, Nav op-
tions, Nav Audio Level
Nav audio in Com Mixed with Com feature Check System page, Nav
Options, Mix Nav Audio with
Com
SL30 does not transmit Weather channel is selected Select a different frequency,
transmit on Weather channel
not allowed
No power to Com Check power connections
Mic key connection Check Mic key input connec-
tion
Sidetone level is too low or
too high
Wrong type of headsets, or
level needs adjustment
Check System page, Nav Op-
tions, Sidetone level