TM 11-5821-333-12
6-27. PLACING IN SERVICE.
NOTE
This procedure covers RT-1476, RT-1476A, RT-1477, and RT-1477A radios.
For RT-1478 and RT-1478A radios, see aircraft system technical manual.
Before returning a radio set to service, do an operational check (paragraph 6-13).
6-53
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