TM 11-5841-287-12
b. Operation With RT FAULT Indication.
2-10.
Operation Through Electronic Counter-
Illumination of the RT FAULT indicator on the data link
measures
control during normal operation Indicates the presence of
a. Change the uhf receiver-transmitter frequency
a low rf power fault or a synchronization lock malfunction
on the uhf radio control to a prearranged alternate
in the uhf receiver-transmitter. Operation of the data
channel.
transmitting set may be continued until such time as the
b. Change aircraft altitude.
transmitted data becomes unintelligible or nonexistent.
2-5
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