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64
(Rev. 8/04)
®
X. Troubleshooting Information
A. Handset Text Messages
The MagnaStar system provides information screens that display text
messages. If the radio detects certain types of operational faults, the
digital handset will display the appropriate message. These text mes-
sages are intended to help the user determine why a call may not be
placed or why a call may have been interrupted.
There are several handset text messages that may be displayed indicat-
ing that the ARTU has detected an abnormal condition and has taken
some type of corrective action. These types of handset text messages
normally indicate that the ARTU is not broken and does not need to
be replaced.
Five handset text messages are shown below that may be displayed if
a telephone connection is abnormally terminated. These messages do
not normally indicate an aircraft system fault unless repeated occur-
rence of this type of condition exists.
Service
Recovery
Failure
Redial
Channel
Limited
To One
Call
Hang Up
All Calls
and Redial
to Acquire
Another
Channel
Mode
Switchover
Redial
Call
Handoff
Failure
Redial
Radio
Signal
Lost
Redial